BCX71J

$0.03

Description：TRANS PNP 45V 0.1A SOT-23-3
Series：-

SKU:13a47e5ea8d8 Category: Single Bipolar Transistors Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：TRANS PNP 45V 0.1A SOT-23-3
Series：-
Mfr：onsemi
Package：Bulk
Transistor Type：PNP
Current - Collector (Ic) (Max)：100 mA
Voltage - Collector Emitter Breakdown (Max)：45 V
Vce Saturation (Max) @ Ib, Ic：550mV @ 1.25mA, 50mA
Current - Collector Cutoff (Max)：20nA
DC Current Gain (hFE) (Min) @ Ic, Vce：250 @ 2mA, 5V
Power - Max：350 mW
Frequency - Transition：-
Operating Temperature：-
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3
Grade：-
Qualification：-

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BCX71J

Overview

The BCX71J is a silicon NPN epitaxial planar transistor manufactured by onsemi, designed for general-purpose amplification and switching applications. It features a low saturation voltage and high current gain, making it suitable for audio and RF circuits. The device is housed in a compact SOT-89 surface-mount package, providing robust performance with a collector-emitter breakdown voltage of 60V and a continuous collector current rating of 1A. Its thermal characteristics support efficient heat dissipation in dense PCB layouts.

Feature Summary

Low saturation voltage for improved efficiency in switching applications
High DC current gain ensuring effective signal amplification
Epitaxial planar construction for reliable long-term operation

Applications

General-purpose amplification in audio circuits
Switching loads in power management modules
Driver stages in RF communication equipment

Procurement Notes

Verify the exact part marking and datasheet revision against the manufacturer's official documentation before procurement. Ensure the SOT-89 package variant matches your PCB footprint requirements. Confirm that the J suffix denotes the specific binning or grade intended for your design specifications to avoid functional mismatches in critical circuits.

Selection Notes

Select this component when a low-profile surface-mount NPN transistor with moderate current handling is required. Consider its thermal resistance values if operating near maximum ratings. Compare its gain distribution against alternative transistors to ensure compatibility with biasing networks in amplifier designs without requiring extensive recalibration.

Part Context

This transistor belongs to onsemi's family of general-purpose NPN devices optimized for surface-mount technology. It complements other variants in the series by offering specific electrical characteristics tailored for compact electronic designs. The SOT-89 package allows for automated assembly, supporting high-volume manufacturing processes while maintaining consistent electrical performance across production batches.