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B4B-PH-SM4-TB(LF)(SN) Rectangular Connectors - Headers, Male Pins by JST

B4B-PH-SM4-TB(LF)(SN) is a Rectangular Connectors - Headers, Male Pins from JST in manufacturer-listed packaging. It is commonly reviewed for CONN HEADER SMD 4POS 2MM. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.

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B4B-PH-SM4-TB(LF)(SN) Rectangular Connectors - Headers, Male Pins by JST | TrustCompo
Pictures are for reference only. Please contact us for the latest pictures.
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Key specifications

Part Number

B4B-PH-SM4-TB(LF)(SN)

Internal code

TCE000036853

Package

-

Manufacturer
JST

Key specifications

Series

PH

Min Quantity

1

Description

CONN HEADER SMD 4POS 2MM

key Attributes

-

Trust signals

Quality and trust signals

Review TrustCompo quality credentials, traceability support, anti-counterfeit handling, and inspection controls before sending an RFQ.

4 certifications
  • ISO 9001

    Quality management processes for more consistent sourcing and handling.

  • AS9120B

    Aerospace-focused distribution controls for traceability and reliability.

  • ISO 14001

    Environmental management discipline across warehouse and operating workflows.

  • ESD Control

    Electrostatic handling standards to help protect sensitive components.

RFQ checklist

Order process

Confirm the core buying details for B4B-PH-SM4-TB(LF)(SN) before RFQ, PO release, and shipment planning.

  1. 1

    Confirm MPN

    Use the exact part number, manufacturer, package, and approval constraints in the RFQ.

  2. 2

    Check stock and price

    Verify live availability, MOQ, lead time, final unit price, and tax terms before PO release.

  3. 3

    Align documents

    Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.

  4. 4

    Arrange shipment

    Release the PO and align DHL, FedEx, UPS, or buyer forwarder shipment from Hong Kong.

Before PO release

Part confirmation

  • Exact MPN confirmed: B4B-PH-SM4-TB(LF)(SN)
  • Package to verify: -

Commercial confirmation

  • Live stock and lead time confirmed by RFQ
  • Final price and tax terms confirmed before PO release

Fulfillment & documents

  • Ship-from location: Hong Kong warehouse
  • Shipping method: DHL, FedEx, UPS, or buyer forwarder account

Product overview

Product overview

Review the sourcing context for B4B-PH-SM4-TB(LF)(SN) from JST, including product identity, application fit, package notes, and purchasing considerations.

The "B4B-PH-SM4-TB(LF)(SN)" is a specific type of connector manufactured by JST (Japan Solderless Terminal), a well-known company specializing in electronic connectors. Here’s a detailed description of this connector:

General Overview

The B4B-PH-SM4-TB(LF)(SN) is a 4-position, wire-to-board connector designed for reliable electrical connections in various electronic applications. It is part of JST's PH series, which is known for its compact size and versatility, making it suitable for a wide range of devices, including consumer electronics, automotive applications, and industrial equipment.

Physical Characteristics

  • Connector Type: Wire-to-board connector
  • Number of Positions: 4
  • Pitch: The connector typically features a 2.0 mm pitch, which refers to the distance between the centers of adjacent pins.
  • Mounting Style: It is designed for surface mount (SM) applications, allowing for easy integration onto printed circuit boards (PCBs).
  • Orientation: The connector is usually available in a vertical orientation, which helps in saving space on the PCB.

Material and Finish

  • Housing Material: The connector housing is typically made from high-quality thermoplastic material, providing durability and resistance to heat and chemicals.
  • Contact Material: The contacts are usually made from copper alloy, ensuring good electrical conductivity.
  • Surface Finish: The "(LF)(SN)" designation indicates that the connector has a lead-free (LF) finish, often with a tin (Sn) plating, which is environmentally friendly and compliant with RoHS standards.

Electrical Characteristics

  • Current Rating: The B4B-PH-SM4-TB(LF)(SN) can typically handle a current rating of up to 2A per contact, making it suitable for low to moderate power applications.
  • Voltage Rating: The voltage rating is generally around 250V AC, allowing it to be used in various electronic circuits without risk of breakdown.

Features

  • Locking Mechanism: The connector often includes a locking mechanism to ensure a secure connection, preventing accidental disconnection during operation.
  • Easy Assembly: The design allows for straightforward assembly and disassembly, making it user-friendly for both manufacturers and end-users.
  • Compact Design: Its small footprint makes it ideal for applications where space is limited.

Applications

The B4B-PH-SM4-TB(LF)(SN) connector is widely used in:

  • Consumer electronics (e.g., smartphones, tablets)
  • Automotive electronics (e.g., sensors, control units)
  • Industrial equipment (e.g., automation systems)
  • Home appliances (e.g., washing machines, refrigerators)

Conclusion

The B4B-PH-SM4-TB(LF)(SN) connector from JST is a reliable and versatile component that meets the needs of various electronic applications. Its compact design, robust materials, and environmentally friendly features make it a popular choice among engineers and manufacturers looking for efficient connectivity solutions.

Technical parameters

Parameters

Compare grouped B4B-PH-SM4-TB(LF)(SN) parameters from JST, including package, series, key attributes, and technical values used for engineering and sourcing review.

  • Export Classifications & Environmental

    JESD-609 Code

    e3

  • Export Classifications & Environmental

    RoHS Status

    RoHS Compliant

  • Export Classifications & Environmental

    REACH SVHC

    No SVHC

  • Export Classifications & Environmental

    Moisture Sensitivity Level (MSL)

    1 (Unlimited)

  • Export Classifications & Environmental

    ECCN Code

    EAR99

  • Product Attribute

    Sub-Categories

    Rectangular Connectors - Headers, Male Pins

B4B-PH-SM4-TB(LF)(SN) Export Classifications & Environmental
ParameterValue
JESD-609 Code

This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning.

e3
RoHS Status

Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details.

RoHS Compliant
REACH SVHC

Indicates whether the product contains substances of very high concern as per the REACH regulation. Buyers should verify this for compliance with EU environmental standards, especially when exporting to Europe. Check the manufacturer's declaration or datasheet for accurate SVHC status.

No SVHC
Moisture Sensitivity Level (MSL)

Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions.

1 (Unlimited)
ECCN Code

Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally.

EAR99
B4B-PH-SM4-TB(LF)(SN) Product Attribute
ParameterValue
Sub-Categories

Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application.

Rectangular Connectors - Headers, Male Pins
Option

Describes the specific configuration or variant of the component, such as packaging, lead form, or mounting style. Engineers compare options to match exact design requirements. Always check the option code against the datasheet to ensure compatibility with your application.

GENERAL PURPOSE
Insulation Resistance

Indicates the resistance between insulated conductors or contacts, typically measured in megohms. High values ensure minimal leakage current and safe operation. Check datasheet for minimum acceptable levels under specified test conditions.

1GOhm
Part Status

Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status.

Active
Filter Feature

Specifies the type of filtering the component provides, such as EMI, RFI, or signal conditioning. Compare this attribute when selecting parts for noise suppression or signal integrity. Verify the exact filter topology and performance against the datasheet.

NO
Pitch - Mating

Center-to-center distance between mating contacts in a connector. This determines the connector's density and compatibility with mating connectors. Ensure the pitch matches your PCB layout and the mating connector's pitch to avoid misalignment.

0.079 2.00mm
Flammability Rating

UL flammability rating of the material used in the component, indicating its resistance to ignition and flame spread. This is important for safety compliance in end products. Check the rating against your application's required safety standards and environmental conditions.

UL94 V-0
Contact Type

Defines the contact gender and style, such as pin (male) or socket (female). This determines how the connector mates with its counterpart. Ensure the contact type matches your cable or board connector to avoid mismating. Refer to the datasheet for contact material and plating.

Male Pin
Categories

Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class.

Connectors, Interconnects
Number Of Positions Loaded

Indicates how many contact positions in a connector housing are actually populated with contacts. Compare this to the total number of positions to understand which contacts are present. Verify against the datasheet or part marking to ensure the connector meets your wiring requirements.

All
Contact Shape

Specifies the geometric profile of the contact interface, such as round, square, or flat. This affects mating reliability and current density. Verify the shape against the connector datasheet to ensure proper fit and performance in your application.

Square
Contact Material

Specifies the metal alloy used for the electrical contact surfaces, affecting conductivity, wear resistance, and corrosion behavior. Compare materials like silver, gold, or palladium for signal integrity and durability. Verify against datasheet for application-specific requirements.

Copper Alloy
Lead Free

Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations.

Lead Free
Connector Type

Specifies the connector series or family, such as USB, RJ45, or D-Sub. This determines mechanical compatibility, pin layout, and mating standards. Verify against the datasheet to ensure the connector matches your board design and mating counterpart.

Header
Style

Select the physical style or form factor of the component, such as through-hole, surface mount, or chassis mount. This affects PCB layout, assembly process, and mechanical fit. Verify the exact package style against the datasheet to ensure compatibility with your design and manufacturing requirements.

Board to Cable/Wire
Shrouding

Indicates whether the connector has a shroud or shield around its contacts. Shrouded connectors provide mechanical protection and prevent accidental shorting. This affects mating alignment and durability. Check the datasheet for shroud dimensions and material to ensure proper fit in your enclosure.

Shrouded - 4 Wall
Mounting Type

Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements.

Surface Mount
Insulation Color

Specifies the color of the insulating material covering wires, terminals, or components. Helps identify cable types, polarity, or circuit functions during assembly and maintenance. Verify against the datasheet when color coding is critical for safety or compliance.

Natural
Factory Lead Time

Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions.

16 Weeks
Contact Resistance

Contact resistance measures the electrical resistance at the interface between mating contacts. Lower values indicate better conductivity and less heat generation. Compare this parameter across connectors, relays, and switches to ensure reliable signal integrity and power transfer. Always verify against the datasheet for your specific application.

20mOhm
Published

Published indicates the date when the product data was released or updated in the catalog. It helps buyers assess the freshness of the information and whether the component is current or possibly obsolete. Check the datasheet for the latest revisions.

2004
Color

Specifies the visual color of the component body or housing. Useful for identifying parts in inventory or matching design aesthetics. Verify against the datasheet or physical sample, as color may vary between manufacturers and batches.

White
Fastening Type

Specifies the mechanical method used to secure the component to a PCB or panel, such as screw, snap-in, or adhesive. This affects assembly time, reliability under vibration, and serviceability. Verify compatibility with your mounting process and enclosure design before ordering.

Detent Lock
Lead Pitch

Distance between centers of adjacent leads on a component. Critical for PCB layout and soldering. Engineers compare this to ensure the part fits the footprint. Verify against the datasheet for accurate mounting.

2mm
Packaging

Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility.

Tape & Reel (TR)
Operating Temperature

Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings.

-25°C~85°C
Voltage - Rated AC

Maximum AC voltage that the component can safely withstand under specified conditions. This rating is critical for insulation and safety margins. Always compare it with the operating voltage in your circuit and derate according to the datasheet guidelines.

100V
Feature

This attribute highlights special characteristics or functions of the component, such as built-in protection, mounting style, or unique performance traits. Engineers compare these features to match specific application requirements. Always verify against the datasheet for complete specifications.

Solder Retention
Additional Feature

Lists any extra characteristics or capabilities beyond the standard specifications, such as built-in protection, special mounting options, or enhanced performance. Review these features to ensure they meet your application's specific needs and compare them across similar parts.

TOP ENTRY
Insulation Material

Specifies the dielectric material used to isolate conductive parts in components such as transformers, connectors, or cables. This affects thermal resistance, voltage withstand capability, and flammability rating. Verify the material against datasheet specifications for safety and performance in your application.

Polyamide (PA6T), Nylon 6T
Weight

Specifies the physical weight of the electronic component, important for logistics, shipping cost, and mechanical design. Verify the exact weight in the datasheet or packaging information, as it may vary with packaging type and quantity.

28.349523g
Manufacturer

Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.

JST
Mounting Type

Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities.

Surface Mount
Pb-Free Code

Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance.

yes
Current Rating

Specifies the maximum continuous current the component can safely carry under specified conditions. Compare this value with your circuit's expected load to ensure reliable operation. Always verify against the datasheet for temperature derating and mounting considerations.

2A
Max Current Rating

Specifies the highest continuous current the component can safely carry under specified conditions. Compare this rating with your circuit's expected load to prevent overheating or failure. Always verify against the datasheet's derating curves and ambient temperature limits.

2A
DIN Conformance

Indicates whether the component complies with German DIN standards. Verify this attribute when the application requires specific mechanical, electrical, or safety specifications defined by DIN. Check the datasheet for the exact DIN number and edition to ensure compatibility with your system.

NO
Mixed Contacts

Indicates whether the connector combines different contact types, such as signal, power, or coaxial, in one housing. This attribute helps engineers identify versatile interconnect solutions for complex wiring systems. Verify the exact contact arrangement and ratings in the datasheet before design-in.

NO
MIL Conformance

Indicates whether the component meets military specifications (MIL-SPEC) for reliability, performance, and environmental resistance. This is critical for defense, aerospace, and high-reliability applications. Verify the specific MIL standard and test conditions in the datasheet.

NO
Contact Finish - Mating

Surface finish on the contact area that mates with another connector. This finish affects corrosion resistance, contact resistance, and durability. Choose the appropriate finish based on the number of mating cycles and environmental conditions, and verify it in the datasheet.

Tin
IEC Conformance

Indicates whether the component meets International Electrotechnical Commission standards. Check this attribute to ensure compatibility with international safety and performance requirements. Verify the specific IEC standard listed in the datasheet for your application.

NO
Material Flammability Rating

Indicates the flammability classification of the insulating material used in the component, typically following UL 94 standards. This rating helps engineers assess fire safety and compliance with regulatory requirements. Check the datasheet for the specific test method and thickness conditions.

UL94 V-0
Number Of Rows

Specifies how many rows of contacts the connector has, typically one, two, or more. This affects the connector's footprint, pin count, and mating force. Choose the row count based on your PCB layout and required pin density. Verify with the datasheet for exact row spacing.

1
Termination

Describes the method used to connect the component to the circuit board, such as solder, press-fit, or wire wrap. This affects assembly processes, reliability, and repairability. Check the termination type against your PCB footprint and soldering process to ensure compatibility.

Solder
Gender

Gender indicates whether a connector is male (with pins) or female (with sockets). This is critical for mating compatibility in cable assemblies and board-to-board connections. Verify gender against the mating connector part number to ensure proper fit and reliable electrical contact.

Male
Orientation

Indicates the physical mounting orientation of the connector relative to the PCB or mating direction. Engineers compare this to ensure proper alignment in the assembly. Verify against the datasheet for correct placement and mating.

Straight
Housing Color

Indicates the color of the component's outer housing, which may aid in visual identification and inventory management. Verify the color against the manufacturer's datasheet or product photos, as it does not affect electrical performance but may be important for assembly or aesthetic requirements.

Beige
Voltage - Rated DC

Specifies the maximum DC voltage the component can safely handle under rated conditions. Engineers compare this to the circuit's operating voltage to ensure adequate margin. Always verify against the datasheet's derating curves for temperature and reliability.

100V
Total Number Of Contacts

Specifies the total number of electrical contact points in the connector. This determines the maximum number of circuits that can be connected. Verify against the datasheet to ensure it matches your required pin count and mating connector configuration.

4
Housing Material

Specifies the material of the component's outer casing, such as plastic, metal, or ceramic. This affects durability, thermal performance, and environmental resistance. Verify against datasheet for application-specific requirements like flammability or chemical exposure.

Polyamide
Depth

Physical depth of the component body, measured in millimeters or inches. This dimension affects PCB layout and mechanical fit. Verify against the datasheet for proper clearance in your enclosure or assembly.

5mm
Max Voltage Rating (AC)

Specifies the highest alternating current voltage the component can withstand continuously without damage. Compare this rating with your circuit's operating voltage and transients. Always verify against the datasheet for derating factors and safety margins.

100V
Number Of Poles

Specifies the number of independent electrical circuits or contacts in a switch, relay, or connector. This determines how many separate signals or power lines can be controlled simultaneously. Verify against the datasheet to ensure the component matches your circuit requirements.

4
Insulation Height

Height of the insulating material above the mounting surface in a connector. This affects the connector's profile and clearance for other components. Verify it meets your mechanical constraints and does not interfere with neighboring parts on the PCB.

0.260 6.60mm
Stack Height (Mating)

Specifies the overall height of two mated connectors, from the mounting surface of one to the other. Critical for board-to-board spacing and enclosure fit. Verify against the datasheet to ensure proper clearance and mechanical compatibility in your assembly.

8.6mm
Contact Length - Mating

Length of the contact that engages with the mating connector, affecting insertion depth and electrical connection reliability. This dimension is crucial for ensuring proper mating and preventing intermittent connections. Verify it matches the mating connector's specifications for optimal performance.

0.130 3.30mm
Working Voltage

Defines the maximum continuous voltage that can be applied across the component during normal operation without degradation. This is critical for capacitors, connectors, and insulation ratings. Check the datasheet to confirm the safe operating range and any environmental derating.

100V
Width

Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure.

5.5mm
Series

Indicates the product series or family, grouping components with similar design and specifications. Helps identify compatible parts and compare within a product line. Verify the series against the datasheet to ensure correct application.

PH
Height

Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations.

6.6mm
Manufacturer'S Part No.

The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation.

B4B-PH-SM4-TB(LF)(SN)
Length

Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design.

7.112mm

Datasheet preview

Datasheet PDF viewer

Preview the B4B-PH-SM4-TB(LF)(SN) datasheet from JST to check package, electrical characteristics, application notes, and document evidence before RFQ.

JST

B4B-PH-SM4-TB(LF)(SN)

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Notice documents

PCN / product notice documents

0 documents

No public PCN / PDN records currently displayed

No public product notice document is currently displayed for B4B-PH-SM4-TB(LF)(SN). Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.

Common questions

Product FAQ

Targeted answers for buyers verifying the exact B4B-PH-SM4-TB(LF)(SN) ordering code, packaging, stock, datasheet, and replacement path.

What does B4B-PH-SM4-TB(LF)(SN) mean?

B4B-PH-SM4-TB(LF)(SN) is the exact ordering code listed for a Rectangular Connectors - Headers, Male Pins component from JST. The current package reference is -, with listed context including CONN HEADER SMD 4POS 2MM. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.

How should buyers verify the B4B-PH-SM4-TB(LF)(SN) ordering code?

Treat B4B-PH-SM4-TB(LF)(SN) as the full ordering code during RFQ and engineering review. Confirm the listed - package, manufacturer documentation from JST, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.

What package is B4B-PH-SM4-TB(LF)(SN) supplied in?

B4B-PH-SM4-TB(LF)(SN) is currently listed with package reference - from JST. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.

Is B4B-PH-SM4-TB(LF)(SN) currently available?

B4B-PH-SM4-TB(LF)(SN) is currently marked with stock availability on this page. Before ordering, confirm the package (-), listed stock (155458), available quantity (29914), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.

Where can I compare B4B-PH-SM4-TB(LF)(SN) alternatives?

A mapped alternative list is not currently published for B4B-PH-SM4-TB(LF)(SN). Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.