Get a Sample
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesBSS138-7-F Transistors - FETs, MOSFETs - Single by Diodes Incorporated
BSS138-7-F is a Transistors - FETs, MOSFETs - Single model from Diodes Incorporated, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Discrete Semiconductor Products / Transistors - FETs, MOSFETs - Single product path. Known package information currently points to SOT23 under the Diodes Incorporated brand listing. MOSFET N-CH 50V 200MA SOT23-3. TrustCompo combines the available model, brand, hierarchy, and specification details around BSS138-7-F so buyers can move faster from review to quotation.
RoHS
Datasheet
Pictures are for reference only. Please contact us for the latest pictures.
Traceability and authenticity checks
Fast RFQ turnaround
Documentation support
Pre-shipment inspection review
Key specifications
Series
-
Min Quantity
1
Category
Discrete Semiconductor ProductsSub Category
Transistors - FETs, MOSFETs - SingleDescription
MOSFET N-CH 50V 200MA SOT23-3
key Attributes
-
Datasheet
View BSS138-7-F DatasheetTechnical document
Open The Official Datasheet
Review the latest datasheet for BSS138-7-F from Diodes Incorporated in a separate tab so engineers and buyers can check package, electrical characteristics, and application details without leaving this product page.
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
Confirm stock and lead-time expectations
Check CoC or traceability support
Align inspection and fulfillment details
Trust signals
Globally recognized certifications
Visible certifications work best when they are paired with clear operational promises around traceability, handling, and inspection.
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.
Ordering workflow
Understand how to order and what policies support the purchase
Use this section to see the fastest ordering path and the policy pages buyers usually review before confirming a component order.
How to order this product
A simple B2B flow helps engineering and procurement teams move from part review to commercial confirmation.
1
Confirm part and quantity
Review the part number, package, key specs, and target quantity so the quote request reflects the exact sourcing scope your team needs.
2
Send RFQ or sample request
Use Quick Quote for commercial pricing or Request Sample when engineering validation is still in progress and a smaller evaluation quantity is needed.
3
Align delivery, payment, and documentation
Before final release, confirm stock timing, shipment method, payment arrangement, and any traceability or inspection documents required by your process.
Policies buyers usually check
These pages explain the operating rules around samples, shipping, payment, and quality support before you place the order.
Shipping & Delivery
Review shipping origin, carrier options, delivery methods, and the practical factors that affect transit timing for global component orders.
Review shipping detailsPayment Terms
Understand supported payment methods, invoice handling, quote currency, and the commercial boundaries used for international B2B orders.
Review payment termsQuality & Traceability Center
See how incoming inspection, outgoing verification, traceability support, certifications, and additional testing fit into our quality workflow.
Review quality controlsStructured product content
Review The Product The Way Buyers Actually Evaluate It
Review overview, detailed specifications, and related sourcing content in one structured flow without scanning separate oversized sections.
Product overview
Overview
The BSS138-7-F is a N-channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) manufactured by Diodes Incorporated. It is designed for low-voltage applications and is commonly used in switching and amplification circuits. Here’s a detailed description of its key features and specifications:
General Characteristics:
- Type: N-channel MOSFET
- Package: Typically available in a small SOT-23 package, which is a surface-mount device (SMD) that allows for efficient use of PCB space.
- Pin Configuration: The SOT-23 package usually has three pins, which are designated as Gate (G), Drain (D), and Source (S).
Electrical Specifications:
- Maximum Drain-Source Voltage (V_DS): The BSS138 can handle a maximum V_DS of 50V, making it suitable for a variety of applications where moderate voltage levels are present.
- Continuous Drain Current (I_D): It can support a continuous drain current of up to 220 mA at a temperature of 25°C, which is adequate for many low-power applications.
- Gate Threshold Voltage (V_GS(th)): The gate threshold voltage typically ranges from 0.8V to 1.5V, indicating the minimum gate-to-source voltage required to turn the MOSFET on.
- R_DS(on): The on-resistance (R_DS(on)) is typically around 3.5 ohms at a V_GS of 10V, which contributes to lower power losses during operation.
Performance Characteristics:
- Switching Speed: The BSS138 is known for its fast switching capabilities, making it suitable for high-speed applications.
- Thermal Resistance: The thermal resistance from junction to ambient (RθJA) is relatively low, allowing for efficient heat dissipation during operation.
- Safe Operating Area (SOA): The device is designed to operate within a safe area, ensuring reliability and longevity in various applications.
Applications:
The BSS138-7-F is widely used in:
- Switching Regulators: For efficient power management in DC-DC converters.
- Level Shifting: In interfacing between different voltage levels in digital circuits.
- Signal Switching: For controlling signals in various electronic devices.
- Load Switching: In applications where it is necessary to control larger loads with a smaller control signal.
Additional Features:
- RoHS Compliant: The BSS138-7-F is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it environmentally friendly.
- Low Gate Drive Power: The device requires minimal gate drive power, which is advantageous in battery-operated devices.
Conclusion:
The BSS138-7-F from Diodes Incorporated is a versatile and efficient N-channel MOSFET suitable for a wide range of applications, particularly in low-voltage and low-power environments. Its compact size, combined with its robust electrical characteristics, makes it a popular choice among engineers and designers in the electronics industry.
Fast scan
Popular Specs Surfaced First
Export Classifications & Environmental
JESD-609 Code
e3
Export Classifications & Environmental
Moisture Sensitivity Level (MSL)
1 (Unlimited)
Export Classifications & Environmental
RoHS Status
ROHS3 Compliant
Export Classifications & Environmental
REACH SVHC
No SVHC
Export Classifications & Environmental
HTSUS
8541.21.0095
Export Classifications & Environmental
ECCN Code
EAR99
JESD-609 Code
e3
Moisture Sensitivity Level (MSL)
1 (Unlimited)
RoHS Status
ROHS3 Compliant
REACH SVHC
No SVHC
HTSUS
8541.21.0095
ECCN Code
EAR99
Part Status
Active
REACH Status
REACH Unaffected
ECCN
EAR99
Lead Free
Lead Free
Mounting Type
Surface Mount
Factory Lead Time
16 Weeks
Published
2003
Packaging
Tape & Reel (TR)
Terminal Position
DUAL
Peak Reflow Temperature (Cel)
260
Terminal Form
GULL WING
Qualification Status
Not Qualified
Element Configuration
Single
Operating Mode
ENHANCEMENT MODE
Technology
MOSFET (Metal Oxide)
FET Type
N-Channel
Sub-Categories
Transistors - FETs, MOSFETs - Single
Vgs (Max)
±20V
Categories
Discrete Semiconductor Products
Transistor Application
SWITCHING
Transistor Element Material
SILICON
Operating Temperature
-55°C~150°C TJ
Manufacturer
Diodes Incorporated
Package / Case
TO-236-3, SC-59, SOT-23-3
Weight
7.994566mg
Subcategory
FET General Purpose Powers
Vgs(Th) (Max) @ Id
1.5V @ 250μA
Nominal Vgs
1.2 V
Contact Plating
Tin
Reflow Temperature-Max (S)
40
Mount
Surface Mount
Pbfree Code
yes
Number Of Pins
3
Pin Count
3
Length
2.9mm
Gate To Source Voltage (Vgs)
20V
Height
1mm
Number Of Terminations
3
Current Rating
200mA
Power Dissipation
300mW
Drive Voltage (Max Rds On,Min Rds On)
10V
Width
1.3mm
Voltage
50V
Fall Time (Typ)
25 ns
Voltage - Rated DC
50V
Current
2A
Threshold Voltage
1.2V
Resistance
3.5Ohm
Power Dissipation-Max
300mW Ta
Manufacturer'S Part No.
BSS138-7-F
Rds On (Max) @ Id, Vgs
3.5 Ω @ 220mA, 10V
Continuous Drain Current (ID)
200mA
Drain To Source Breakdown Voltage
50V
Input Capacitance (Ciss) (Max) @ Vds
50pF @ 10V
Current - Continuous Drain (Id) @ 25°C
200mA Ta
Additional Feature
HIGH RELIABILITY, LOW THRESHOLD
Feedback Cap-Max (Crss)
8 pF
Turn-Off Delay Time
20 ns
Number Of Channels
1
Number Of Elements
1
Turn On Delay Time
20 ns
Rise Time
10ns
BSS138-7-F cross reference and alternatives
BSS138-7-F replacement and cross-reference parts
Review mapped alternatives for BSS138-7-F from Diodes Incorporated. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
Pin-to-pin optionON SemiconductorSOT-23-3
BSS138L
Pin-to-pin P2P drop-in for the obsolete onsemi BSS138L. Identical SOT-23-3 footprint and pinout (1=Gate, 2=Drain, 3=Source). Same 50 V VDS, 200 mA ID, 3.5 ohm Rds(on) ratings. onsemi product page (2025) shows BSS138L lifecycle as 'Last Shipments' (the onsemi glossary defines this as the final 6-month shipment window before Obsolete), and DigiKey lists the part as 'Obsolete'. Diodes BSS138-7-F is the universal cross-vendor BSS138 drop-in listed as the primary parametric equivalent on Z2Data and Octopart.
Replacement Type
Pin-to-pin option
Lifecycle status
LTB
key Attributes
-
Available Quantity
87,836
Sourcing Signal
Review mapped alternatives for BSS138-7-F from ON Semiconductor. Compare replacement type, package, lifecycle, stock, and sourcing context before RFQ or engineering approval.
Common questions
Product FAQ
Quick answers for buyers reviewing BSS138-7-F, stock, documentation, and sourcing steps.
What is BSS138-7-F?
BSS138-7-F is a Transistors - FETs, MOSFETs - Single component from Diodes Incorporated. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
What package and description are listed for BSS138-7-F?
BSS138-7-F is listed with package reference SOT23. The current product description is MOSFET N-CH 50V 200MA SOT23-3, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is BSS138-7-F available in stock?
This page currently shows 13440 units in stock and 16061 units available for BSS138-7-F. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for BSS138-7-F?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for BSS138-7-F by Diodes Incorporated. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for BSS138-7-F?
Yes. This page links to the datasheet for BSS138-7-F by Diodes Incorporated, so engineers and buyers can review package, ratings, and application details before purchase.
How should buyers verify BSS138-7-F before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for BSS138-7-F before approving the order.
Transistors - FETs, MOSFETs - Single
Recommended Products
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.
More sourcing insights
Articles
Explore related articles around BSS138-7-F, Transistors - FETs, MOSFETs - Single, and adjacent sourcing decisions so buyers can compare context before moving from evaluation to RFQ.
Jul 17, 2026
FPGA Supply 2026: A Buyer's Framework for AMD Xilinx, Intel Altera, Microchip, and Lattice SourcingA production-BOM FPGA sourcing guide for 2026 covering lifecycle commitment, redesign cost, and qualification boundaries across AMD Xilinx, Intel Altera, Microchip PolarFire, and Lattice families.
FPGAAMD XilinxIntel Altera
Jul 11, 2026
2026 Q3 Wide-Bandgap Power Read: Where SiC Is Scaling, Where GaN Is Winning, and Why Silicon Still MattersA Q3 2026 read on SiC, GaN, and silicon power semiconductors: where wide-bandgap devices are winning now, where silicon still holds, and what engineers and sourcing teams should watch.
wide-bandgap semiconductorsSiCGaN
Jul 8, 2026
Texas Instruments Lead Time and Price Pressure in 2026: What Analog and Power Buyers Should Do NowA buyer-facing framework for Texas Instruments analog and power IC exposure in 2026, covering what is confirmed, where price and lead-time pressure is most likely to show up, and which actions sourcing teams should take first.
Texas Instrumentsanalog ICpower management IC