What are the key features of Fairchild Semiconductor BSS138?

This product belongs to the MOSFETs category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Fairchild Semiconductor with full traceability.

What are the main application scenarios for BSS138?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does BSS138 work?

This device follows established MOSFETs design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of BSS138?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for BSS138?

The global MOSFETs market is growing at ~6-8% CAGR, with particularly strong demand in power management. Fairchild Semiconductor BSS138 is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of BSS138?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Fairchild Semiconductor provides full technical support and reference designs.

BSS138 SOT23 350mW by Fairchild Semiconductor

BSS138 | Fairchild Semiconductor SOT23 350mW

Category: MOSFETs

Brand: Fairchild Semiconductor

SOT23 350mW

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: SOT23 350mW

Technical Parameters

Applications	General Purpose
Configuration	Single
Continuous Drain Current (ID)	100 mA ~ 500 mA
Data Tier	Family Level
FET Type	N-Channel MOSFET
Gate Charge (Qg)	Low
Gate Threshold Voltage (VGS(th))	1.5 ~ 2.5 V
Input Capacitance (Ciss)	Low
Lead Free	Yes
Mounting	Surface Mount
Mounting Type	SMD
Operating Temperature	-55 ~ +150 °C
Package / Case	SOT-23
Packaging	Tape & Reel
Product Type	Multilayer Ceramic Capacitor
RoHS	Compliant

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

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BSS138 Application and Selection Guide

BSS138 Model and Manufacturer Information

BSS138, a MOSFETs manufactured by Fairchild Semiconductor: BSS138 helps you confirm the specific model, while Fairchild Semiconductor helps you confirm the product source. If you are selecting a part, you can first check whether BSS138 meets your requirements, then check whether Fairchild Semiconductor matches your expectations, and then refer to SOT23 350mW for further evaluation.

BSS138 Product Parameters and Description

The main parameters of Fairchild Semiconductor's MOSFETs product BSS138 include SOT23 350mW. This is a MOSFETs produced by Fairchild Semiconductor, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

BSS138 Application and Selection Reference

Fairchild Semiconductor's MOSFETs product BSS138 has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, BSS138 is a MOSFETs solution worth considering, and manufacturer Fairchild Semiconductor provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for BSS138

Designers looking for BSS138 recommended parts can evaluate the following options. BSS138 selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
2N7002MTF	Fairchild Semiconductor	SMALL SIGNAL FIELD-EFFECT TRANSISTOR, 0.115A I(D), 60V, 1-ELEMENT, N-CHANNEL, SILICON, METAL-OXIDE SEMICONDUCTOR FET
BSR57	Fairchild Semiconductor	Trans JFET N-CH 3-Pin SOT-23 T/R
2N7002K	Fairchild Semiconductor	115 MA, 60 V, N-CHANNEL, SI, SMALL SIGNAL, MOSFET, TO-236AB

EZKEY can provide BSS138 recommended part comparison data and engineering samples for evaluation.