BC557C

Single Bipolar Transistors Overview

The BC557C is a PNP bipolar junction transistor manufactured by Diotec Semiconductor, housed in a TO-92 through-hole package. It features a maximum collector-emitter breakdown voltage of 45 V and a continuous collector current rating of 100 mA. The device exhibits a transition frequency of 150 MHz and a maximum power dissipation of 500 mW. DC current gain (hFE) is specified with a minimum value of 420 at 2 mA collector current and 5 V collector-emitter voltage. Operating temperature range spans from -55°C to +150°C junction temperature.

Single Bipolar Transistors Feature Summary

• PNP single transistor configuration for signal amplification and switching
• High DC current gain ensuring effective control with low base drive
• Wide operating temperature range suitable for diverse environmental conditions

Single Bipolar Transistors Applications

• General-purpose amplifier circuits
• Switching applications in consumer electronics
• Audio signal processing stages

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer part number against official Diotec Semiconductor documentation to confirm electrical parameters and packaging details. Ensure compatibility with RoHS3 compliance requirements if applicable to the target market. Cross-reference datasheet specifications for saturation voltage and leakage currents prior to final design integration.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with moderate voltage handling and high current gain is required. The TO-92 package facilitates easy prototyping and through-hole assembly. Consider the 45V breakdown limit and 100mA current capacity relative to circuit load requirements. Verify thermal management needs given the 500mW power dissipation rating.

Single Bipolar Transistors Part Context

This component belongs to the BC557 series of PNP transistors produced by Diotec Semiconductor. The series includes variants with different gain ranges, such as BC557A and BC557B, offering flexibility for various amplification needs. The BC557C specifically targets applications requiring higher minimum current gain compared to other series members.

Single Bipolar Transistors Replacement Considerations

BC558C serves as a parameter-equivalent alternative within the same product family, sharing similar characteristics but with a lower 30V collector-emitter breakdown voltage rating.