BC547A B1G

Single Bipolar Transistors Overview

The BC547AB1G is an NPN general-purpose small-signal transistor manufactured by Taiwan Semiconductor Corporation. It utilizes silicon epitaxial planar technology and is housed in a TO-92 (SOT-54) plastic package designed for through-hole mounting. The device features a maximum collector current of 100 mA and a collector-emitter voltage rating of 45 V. Key electrical characteristics include a transition frequency of 300 MHz and a power dissipation capacity of 500 mW at 25°C ambient temperature. The component supports a maximum operating junction temperature of +150°C.

Single Bipolar Transistors Feature Summary

• NPN polarity configuration with low noise performance suitable for amplification tasks
• High voltage capability with a collector-emitter breakdown voltage of 45 V
• Low current operation optimized for small-signal switching applications

Single Bipolar Transistors Applications

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

Single Bipolar Transistors Procurement Notes

Verify the specific suffix B1G against official Taiwan Semiconductor documentation to confirm binning or packaging specifications. Ensure the procurement channel provides valid RoHS compliance certificates. Cross-reference the manufacturer part number with authorized distributor databases to confirm authenticity and traceability before finalizing orders.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring standard NPN amplification with moderate voltage handling. The TO-92 package facilitates easy integration into prototyping boards and legacy through-hole layouts. Consider the 100 mA current limit when designing load paths. Verify thermal management requirements if operating near the maximum power dissipation limits in enclosed environments.

Single Bipolar Transistors Part Context

This component belongs to the BC547 series of NPN transistors, widely recognized as industry-standard general-purpose devices. The series typically includes variants differentiated by gain ranges and complementary PNP counterparts like the BC557. The BC547AB1G represents a specific manufacturing lot or binning configuration within this established family, maintaining compatibility with standard circuit topologies designed for the base BC547 specification.

Single Bipolar Transistors Replacement Considerations

Compatible substitutes include the BC547B, BC547C, and BC546 from various manufacturers such as onsemi, NXP, and Fairchild. Ensure replacement parts match the TO-92 pinout and voltage ratings. Verify that alternative gain bins meet the specific hFE requirements of the target application circuit.