BC547TAR

Single Bipolar Transistors Overview

The BC547TAR is a single NPN silicon epitaxial planar transistor manufactured by onsemi. It operates with a maximum collector current of 100 mA and a collector-emitter breakdown voltage of 45 V. The device features a transition frequency of 300 MHz and a maximum power dissipation of 500 mW. It is housed in a TO-92-3 through-hole package. The component supports an operating junction temperature up to 150 °C and meets RoHS compliance standards.

Single Bipolar Transistors Feature Summary

• NPN silicon epitaxial planar construction for general-purpose amplification
• High transition frequency suitable for RF applications
• Through-hole mounting via TO-92-3 package

Single Bipolar Transistors Applications

• General purpose small signal amplification
• Electronic switching circuits
• Audio pre-amplifier stages

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer designation, as the BC547 series has been produced by multiple vendors including Fairchild Semiconductor. Confirm that the datasheet aligns with onsemi specifications regarding electrical limits and thermal characteristics. Ensure the ordering suffix matches the required tape-and-reel packaging format for automated assembly processes.

Single Bipolar Transistors Selection Notes

Select this component when a standard NPN small-signal transistor with moderate gain and high-frequency response is required. Compare against other BC547 variants (such as A, B, or C grades) based on the necessary DC current gain range. Consider the TO-92 package constraints for board space and thermal management requirements in the target design.

Single Bipolar Transistors Part Context

This part belongs to the widely used BC547 family of NPN transistors. These devices are industry-standard replacements for older 2N-series equivalents. The 'TAR' suffix typically indicates a specific tape-and-reel packaging configuration intended for surface-mount or automated through-hole insertion equipment.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers include BC547CTA and BC547CTF from onsemi. Other compatible alternatives may include parts from Fairchild Semiconductor such as BC547TFR.