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1N4731A-T Diodes - Zener - Single by Diodes Incorporated

1N4731A-T is a Diodes - Zener - Single from Diodes Incorporated in DO41 packaging. It is commonly reviewed for DIODE ZENER 4.3V 1W DO41. 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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1N4731A-T Diodes - Zener - Single by Diodes Incorporated | TrustCompo
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Key specifications

Part Number

1N4731A-T

Internal code

TCE000080794

Package

DO41

Key specifications

Series

-

Min Quantity

1

Description

DIODE ZENER 4.3V 1W DO41

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 1N4731A-T 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: 1N4731A-T
  • Package to verify: DO41

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

Technical parameters

Parameters

Compare grouped 1N4731A-T parameters from Diodes Incorporated, including package, series, key attributes, and technical values used for engineering and sourcing review.

  • Product Attribute

    Mounting Type

    Through Hole

  • Product Attribute

    Published

    2008

  • Product Attribute

    Lead Free

    Lead Free

  • Product Attribute

    Packaging

    Tape & Reel (TR)

  • Product Attribute

    Part Status

    Obsolete

  • Product Attribute

    Peak Reflow Temperature (Cel)

    260

1N4731A-T Product Attribute
ParameterValue
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.

Through Hole
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.

2008
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
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)
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.

Obsolete
Peak Reflow Temperature (Cel)

Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level.

260
Element Configuration

Describes the internal arrangement of components, such as resistor networks or switch contacts. This affects the circuit topology and pinout. Engineers must verify this configuration against the datasheet to ensure correct integration into the PCB layout and proper functionality.

Single
Max Power Dissipation

Maximum power the component can safely dissipate as heat without damage. Exceeding this may cause failure. Check datasheet for thermal resistance and derating curves under your operating conditions.

1W
Contact Plating

Specifies the metal coating applied to the contact surfaces of connectors, switches, or relays. This finish affects conductivity, corrosion resistance, and durability. Engineers should verify the plating material and thickness against the datasheet to ensure reliable performance in the intended environment.

Silver, Tin
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.

Discrete Semiconductor Products
Terminal Form

Describes the physical configuration of the component's leads or pads, such as through-hole, surface mount, or gull-wing. This affects PCB layout, soldering process, and mechanical fit. Confirm compatibility with your assembly method and footprint.

WIRE
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.

Diodes Incorporated
Tolerance

Allowed deviation from the nominal value, expressed as a percentage. Determines precision of resistors, capacitors, and inductors. Choose tighter tolerance for precision circuits, but verify actual performance in the datasheet.

±5%
Subcategory

A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications.

Voltage Reference Diodes
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.

Diodes - Zener - Single
HTS Code

Harmonized Tariff Schedule code used for customs classification of electronic components. Helps determine duties and regulatory requirements. Buyers should confirm the code with a customs broker for accurate shipping.

8541.10.00.50
Package / Case

Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.

DO-204AL, DO-41, Axial
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.

no
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.

Through Hole
Number Of Terminations

Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity.

2
Power Dissipation

Maximum power the component can safely dissipate as heat without exceeding its thermal limits. Compare this rating with your application's expected power loss to ensure reliable operation. Always verify against the datasheet's derating curves and ambient temperature conditions.

1W
Number Of Pins

Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection.

2
Voltage Tolerance

Indicates the permissible deviation from the nominal voltage rating for a component. Engineers compare this to ensure stable operation within circuit limits. Verify against the datasheet for exact conditions, especially for power supplies, regulators, and voltage references.

5%
Pin Count

Total number of pins or terminals on the component package. Essential for footprint design, PCB layout, and connector mating. Verify against the datasheet to ensure compatibility with your board and assembly process.

2
Voltage Tolerance Max

Indicates the maximum allowable deviation from the nominal voltage rating for this component. Engineers compare this tolerance to ensure stable operation under real-world conditions. Verify against the datasheet when designing circuits with tight voltage requirements.

5%
Polarity

Specifies whether the component or signal has a defined positive and negative orientation, such as for diodes, electrolytic capacitors, or connectors. Incorrect polarity can cause failure or unsafe operation. Always check the datasheet and board markings before installation.

UNIDIRECTIONAL
Technology

Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions.

ZENER
Power Rating

Specifies the maximum power the component can safely dissipate under defined operating conditions. Compare this value with your circuit's power requirements to prevent overheating and ensure reliable operation. Always verify against the datasheet for derating curves and ambient temperature limits.

1W
Case Connection

Indicates how the component's case or package is electrically connected, such as to ground, a supply rail, or left floating. This affects thermal management, shielding, and circuit isolation. Always confirm with the datasheet to ensure proper PCB layout and avoid unintended shorts or noise coupling.

ISOLATED
ESD Protection

Indicates whether the component has built-in electrostatic discharge protection. This is crucial for devices that interface with external connectors or are handled during assembly. ESD protection helps prevent damage from static electricity, improving reliability in harsh environments. Verify if your application requires this feature.

No
Maximum Impedance

Specifies the highest impedance value the component can exhibit under rated conditions. Compare this parameter when selecting components for impedance matching or filtering circuits. Always verify against the datasheet for frequency and bias dependencies.

9Ohm
Impedance

Specifies the opposition to alternating current in a component, typically for RF or high-speed signal paths. Compare values to ensure proper impedance matching and signal integrity. Verify against the datasheet for your application frequency.

9Ohm
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.

4.3V
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.

4.3V
Reference Voltage

Specifies the stable voltage output used as a benchmark for the component's operation. Compare this value when selecting voltage references or regulators. Always verify against the datasheet for accuracy and temperature stability.

4.3V
Zener Voltage

Specifies the nominal reverse breakdown voltage at which the Zener diode begins conducting in the breakdown region. Compare this value with the required regulation voltage for your circuit. Always verify the exact voltage and tolerance in the datasheet, as it affects voltage reference and clamping applications.

4.3V
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.

299.994654mg
Material

Specifies the base material of the component, such as ceramic, tantalum, or aluminum. This affects thermal performance, durability, and frequency characteristics. Verify material against datasheet for application-specific requirements like high-temperature or high-frequency operation.

Glass
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.

2.71mm
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.

2.71mm
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.

4.7mm
Output Current

Current supplied at the output, indicating the load-driving capability of the component. This is crucial for ensuring the component can drive downstream circuitry without overheating or voltage drop. Compare with your load requirements and check the datasheet for maximum ratings.

430mA
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.

-65°C~175°C
Base Part Number

Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in.

1N4731
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.

1N4731A-T
1N4731A-T Product Parameter
ParameterValue
Diode Type

Select the diode classification such as Schottky, Zener, or standard rectifier. This defines the device's electrical behavior and typical applications. Verify the exact type against the datasheet to ensure it meets your circuit requirements for voltage, current, and switching speed.

ZENER DIODE
Number Of Elements

Indicates how many independent functional sections are integrated into a single component package. This matters when comparing multi-channel devices or resistor networks. Always verify the exact element count against the datasheet to ensure it matches your circuit design requirements.

1
Time At Peak Reflow Temperature (Max)

Specifies the maximum duration a component can withstand at the peak reflow temperature during soldering. Critical for evaluating solder joint reliability and preventing thermal damage. Verify against the datasheet's recommended soldering profile to ensure proper assembly.

40
Peak Reverse Current

Specifies the highest reverse current that flows through the component when the rated reverse voltage is applied. Compare this value across diodes and rectifiers to ensure minimal leakage and stable operation. Verify against the datasheet for your operating temperature and voltage conditions.

10μA
Forward Voltage

Forward voltage is the voltage drop across a diode or LED when it conducts current in the forward direction. It affects power dissipation and efficiency. Compare this value with your circuit's supply voltage and check the datasheet for the specified test current.

1.2V
Max Reverse Leakage Current

Maximum current that flows through the diode when reverse-biased and off. Compare this value to ensure minimal power loss and proper blocking in circuits. Verify against datasheet for temperature and voltage conditions.

10μA
Current - Reverse Leakage @ Vr

Small current flowing through a semiconductor junction when reverse voltage is applied. Lower leakage is preferred for precision and low-power circuits. Check this parameter at the specified reverse voltage to ensure it meets your application's requirements.

10μA @ 1V
Forward Voltage (Vf) Max @ If

This is the maximum voltage drop across the diode or LED when conducting the specified forward current. It affects power dissipation and efficiency. Compare this value with your circuit's supply voltage and current to ensure proper operation. Always verify against the datasheet for your specific part.

1.2V @ 200mA
Terminal Finish

Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance.

Tin/Silver (Sn96.5Ag3.5)
Test Current

Specifies the current level applied during parameter measurement. Compare this value when evaluating test conditions across similar components. Always verify that the test current matches your application's operating point to ensure datasheet parameters are relevant.

58mA
1N4731A-T Export Classifications & Environmental
ParameterValue
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.

ROHS3 Compliant
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)
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.

e2
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

Datasheet preview

Datasheet PDF viewer

Preview the 1N4731A-T datasheet from Diodes Incorporated to check package, electrical characteristics, application notes, and document evidence before RFQ.

Diodes Incorporated

1N4731A-T

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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 1N4731A-T. 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 1N4731A-T ordering code, packaging, stock, datasheet, and replacement path.

What does 1N4731A-T mean?

1N4731A-T is the exact ordering code listed for a Diodes - Zener - Single component from Diodes Incorporated. The current package reference is DO41, with listed context including DIODE ZENER 4.3V 1W DO41. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.

How should buyers verify the 1N4731A-T ordering code?

Treat 1N4731A-T as the full ordering code during RFQ and engineering review. Confirm the listed DO41 package, manufacturer documentation from Diodes Incorporated, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.

What package is 1N4731A-T supplied in?

1N4731A-T is currently listed with package reference DO41 from Diodes Incorporated. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.

Is 1N4731A-T currently available?

1N4731A-T is currently marked with stock availability on this page. Before ordering, confirm the package (DO41), listed stock (79216), available quantity (86027), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.

Where can I compare 1N4731A-T alternatives?

A mapped alternative list is not currently published for 1N4731A-T. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.