BC547A-AP

Single Bipolar Transistors Overview

The BC547A-AP is an NPN silicon small signal bipolar junction transistor manufactured by Micro Commercial Components. It is housed in a TO-92 plastic package with three leads. The device supports a maximum collector current of 0.1 A and a collector-emitter voltage of 45 V. It features a minimum DC current gain (hFE) of 110, ensuring reliable amplification performance. The component operates at a maximum junction temperature of 150 °C and complies with RoHS standards.

Single Bipolar Transistors Feature Summary

• NPN silicon construction for general-purpose switching and amplifier applications
• Through-hole TO-92 molded plastic package design
• High DC current gain characteristics suitable for low-noise circuits
• Lead-free finish compliant with environmental directives

Single Bipolar Transistors Applications

• General purpose signal amplification
• Electronic switching circuits
• Low-noise audio pre-amplifier stages

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer source, as the BC547 series is produced by multiple vendors including STMicroelectronics and Fairchild. Confirm that the 'AP' suffix denotes RoHS compliance and lead-free termination. Ensure the TO-92 package dimensions match the target PCB footprint requirements before finalizing procurement orders.

Single Bipolar Transistors Selection Notes

Select this component when a standard NPN transistor with moderate voltage ratings and high current gain is required. The BC547A variant offers higher gain than the B or C grades. Consider thermal management if operating near the 625 mW power dissipation limit. Verify compatibility with existing circuit biasing networks designed for similar NPN logic levels.

Single Bipolar Transistors Part Context

This part belongs to the widely used BC547 family of NPN transistors. It serves as a direct replacement for generic BC547 devices in legacy designs. The component is commonly utilized in educational electronics kits and consumer appliances due to its availability and standardized pinout configuration across various manufacturers.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include BC547B-AP, BC547C-AP, and generic BC547 variants from other manufacturers such as ON Semiconductor or Diodes Inc. Ensure the replacement maintains the same TO-92 package and electrical specifications.