BC546B

$0.03

Description：TRANS NPN 65V 0.1A TO-92
Series：-

SKU:897697c47686 Category: Single Bipolar Transistors Brand: Taiwan Semiconductor Corporation

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Product introduction

BC546B is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Taiwan Semiconductor Corporation. Its product description is TRANS NPN 65V 0.1A TO-92. Review the specifications below when checking this part for your BOM.

Single Bipolar Transistors specifications for BC546B

Description：TRANS NPN 65V 0.1A TO-92
Series：-
Mfr：Taiwan Semiconductor Corporation
Package：Tape & Box (TB)
Transistor Type：NPN
Current - Collector (Ic) (Max)：100 mA
Voltage - Collector Emitter Breakdown (Max)：65 V
Vce Saturation (Max) @ Ib, Ic：-
Current - Collector Cutoff (Max)：15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce：200 @ 2mA, 5V
Power - Max：500 mW
Frequency - Transition：-
Operating Temperature：-65°C ~ 150°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package：TO-92
Grade：-
Qualification：-

Single Bipolar Transistors datasheet and documents for BC546B

BC546B

Single Bipolar Transistors Overview

The BC546B is an NPN silicon epitaxial planar transistor designed for general-purpose switching and amplification applications. It is housed in a TO-92 plastic package with three leads. The device features a maximum collector current of 100 mA and a collector-emitter voltage rating of 65 V. Key electrical characteristics include a minimum DC current gain (hFE) of 200 at 2 mA and 5 V, a transition frequency of 300 MHz, and a power dissipation capacity of 500 mW. The component operates within a temperature range of -55°C to +150°C junction temperature.

Single Bipolar Transistors Feature Summary

NPN polarity configuration suitable for low-current signal processing
Low noise performance optimized for amplifier circuits
High DC current gain ensuring efficient signal control
Robust thermal stability across extended operating temperatures

Single Bipolar Transistors Applications

General purpose switching
Audio pre-amplification stages
Signal conditioning circuits

Single Bipolar Transistors Procurement Notes

Verify the manufacturer origin as Taiwan Semiconductor Corporation specifically, as BC546B is a legacy part number produced by multiple vendors including NXP and ON Semiconductor. Confirm RoHS compliance status and specific hFE binning requirements against the official datasheet provided by the supplier. Ensure the package type matches the required TO-92 form factor for your PCB layout constraints before finalizing procurement.

Single Bipolar Transistors Selection Notes

Select this component when a standard NPN small-signal transistor with moderate gain and voltage ratings is required. The BC546B serves as a direct replacement for older BC107 or BC547 series parts where higher gain is beneficial. Consider the TO-92 package size for through-hole assembly needs. Evaluate the 65V breakdown voltage to ensure it meets the circuit's maximum operating conditions without derating issues.

Single Bipolar Transistors Part Context

The BC546B belongs to the widely used BC546 family of NPN transistors, originally standardized by Philips Semiconductors. This family is characterized by its reliability in consumer electronics and industrial control systems. The 'B' suffix typically denotes a specific gain binning category, offering higher current gain compared to lower-grade variants like the BC546A. It remains a staple component in educational kits and legacy hardware designs.

Single Bipolar Transistors Replacement Considerations

BC547B
BC107C

Single Bipolar Transistors FAQ

What is the maximum collector-emitter voltage for the BC546B?

The maximum collector-emitter voltage (VCEO) is 65 V.

Is the BC546B available in surface mount packages?

The standard BC546B is primarily available in the TO-92 through-hole package. Surface mount equivalents may exist under different part numbers from specific manufacturers.