BC548B

$0.04

Description：TRANS NPN 30V 0.1A TO-92-3
Series：-

SKU:84de4efc7c2b Category: Single Bipolar Transistors Brand: Fairchild Semiconductor

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Product introduction

BC548B is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is TRANS NPN 30V 0.1A TO-92-3. Review the specifications below when checking this part for your BOM.

Single Bipolar Transistors specifications for BC548B

Description：TRANS NPN 30V 0.1A TO-92-3
Series：-
Mfr：Fairchild Semiconductor
Package：Bulk
Transistor Type：NPN
Current - Collector (Ic) (Max)：100 mA
Voltage - Collector Emitter Breakdown (Max)：30 V
Vce Saturation (Max) @ Ib, Ic：600mV @ 5mA, 100mA
Current - Collector Cutoff (Max)：15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce：200 @ 2mA, 5V
Power - Max：500 mW
Frequency - Transition：300MHz
Operating Temperature：150°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

Single Bipolar Transistors datasheet and documents for BC548B

BC548B

Single Bipolar Transistors Overview

The BC548B is a small signal NPN silicon bipolar junction transistor manufactured by Fairchild Semiconductor. It features a maximum collector current of 0.1 A and a collector-emitter breakdown voltage of 30 V. The device operates within a temperature range of -65°C to +150°C and has a maximum power dissipation of 500 mW. It provides a minimum DC current gain (hFE) of 200 at 2 mA and 5 V. The component utilizes a TO-92 lead-free package with three pins.

Single Bipolar Transistors Feature Summary

Designed for general-purpose switching and amplifier applications
Utilizes NPN silicon epitaxial planar construction
Compatible with complementary PNP transistors in the BC556 series

Single Bipolar Transistors Applications

General purpose switching circuits
Small signal amplification stages
Audio pre-amplifier inputs

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer datasheet for the exact revision, as specifications may vary between original Fairchild documentation and subsequent ON Semiconductor releases. Confirm RoHS compliance status and pinout orientation against the intended PCB footprint before integration. Ensure thermal management aligns with the 500 mW dissipation limit under operating conditions.

Single Bipolar Transistors Selection Notes

Select this component when a standard NPN transistor with moderate gain and low voltage ratings is required. The B suffix indicates a specific hFE binning range suitable for linear applications requiring consistent amplification factors. Consider the BC547 or BC546 variants if higher voltage ratings are necessary for the target circuit design.

Single Bipolar Transistors Part Context

This part belongs to the widely used BC548 series of general-purpose NPN transistors. The series is characterized by its TO-92 plastic encapsulation and suitability for low-power electronic designs. It serves as a fundamental discrete semiconductor component in educational kits, consumer electronics, and industrial control modules.