MMBT4126 - Fairchild Semiconductor

Manufacturer Part Number

MMBT4126

Manufacturer

Fairchild (onsemi)

Introduction

The MMBT4126 is a small signal PNP bipolar junction transistor (BJT) designed for low-power analog and switching applications.

Product Features and Performance

Operates over a wide temperature range of -55°C to 150°C

Low collector-emitter saturation voltage (Vce(sat)) of 400 mV at 5 mA, 50 mA

High current gain (hFE) of 120 minimum at 2 mA, 1 V

Wide bandwidth with a transition frequency (fT) of 250 MHz

Product Advantages

Excellent thermal stability

Reliable performance

Efficient power conversion

High-speed switching capability

Key Technical Parameters

Maximum Collector-Emitter Voltage: 25 V

Maximum Collector Current: 200 mA

Maximum Power Dissipation: 350 mW

Collector-Emitter Saturation Voltage: 400 mV @ 5 mA, 50 mA

Current Gain (hFE): 120 minimum @ 2 mA, 1 V

Quality and Safety Features

RoHS3 compliant

Reliable and robust design

Rigorous quality control and testing

Compatibility

Suitable for surface mount applications

Compatible with SOT-23-3 package

Application Areas

Analog and digital circuits

Switching and amplifier applications

Low-power electronics

Consumer electronics

Product Lifecycle

The MMBT4126 is an active and widely used product

Replacements and upgrades are readily available

Key Reasons to Choose This Product

Exceptional thermal stability and reliability

High-speed switching performance

Efficient power conversion for low-power applications

Compatibility with common surface mount packages

Availability of replacements and upgrades