BC556B-BP

Single Bipolar Transistors Overview

The BC556B-BP is a PNP silicon epitaxial planar transistor manufactured by Micro Commercial Components (MCC). It belongs to the general-purpose BJT family, designed for switching and audio frequency amplifier applications. The device features a maximum collector current of 100 mA and a collector-emitter voltage rating of 65 V. It is housed in a TO-92 plastic package with an Ammo Pack shipping configuration.

Single Bipolar Transistors Feature Summary

• PNP silicon epitaxial planar construction
• General-purpose switching capability
• Audio frequency amplification suitability

Single Bipolar Transistors Applications

• General purpose switching circuits
• Audio frequency amplification stages

Single Bipolar Transistors Procurement Notes

Verify the specific datasheet version for the BC556B-BP suffix as availability data indicates potential discontinuation or limited stock status for related MCC variants. Confirm RoHS compliance details directly from the manufacturer's documentation before integration into production designs.

Single Bipolar Transistors Selection Notes

Select this component for low-current PNP applications requiring standard gain binning (Group B). Ensure thermal management aligns with the 625 mW power dissipation limit. Verify pinout compatibility with existing TO-92 footprints during PCB layout.

Single Bipolar Transistors Part Context

This part is part of the BC556 series, which includes variants differentiated by current gain groups (A, B, C). It serves as the PNP complement to the BC546 NPN transistor. The BC556B specifically denotes the middle gain range within the standard general-purpose classification.

Single Bipolar Transistors Replacement Considerations

Compatible substitutes include BC556B from NXP Semiconductors and ON Semiconductor. Cross-reference absolute maximum ratings and hFE ranges to ensure functional equivalence in the target circuit design.