BCR185WH6327XTSA1

Overview

The BCR185WH6327XTSA1 is a PNP digital transistor manufactured by Infineon Technologies, designed for audio frequency applications. It features an integrated base resistor with a typical value of 10 kOhms and a typical resistance ratio of 0.21. The device operates within a collector-emitter voltage range up to 50 V and supports continuous collector currents of 100 mA. Packaged in a compact SOT-323 surface-mount format, it offers a power dissipation capacity of 250 mW and functions reliably across temperatures from -55 C to +150 C.

Feature Summary

• Integrated base resistor simplifies circuit design by reducing component count
• High thermal stability suitable for demanding operating environments
• Compact SMD package enables efficient PCB space utilization

Applications

• Audio frequency switching circuits
• Logic level translation interfaces
• General-purpose digital switching applications

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm exact electrical characteristics and packaging configuration. Confirm RoHS compliance status through current datasheets. Check for end-of-life notifications as discontinuation may impact long-term supply chain stability. Ensure compatibility with existing assembly processes regarding the SOT-323 footprint.

Selection Notes

Select this component when a PNP digital transistor with integrated biasing is required for audio or low-frequency switching. Verify that the 10 kOhm internal resistor meets the drive requirements of the controlling logic. Ensure the 50 V collector-emitter rating exceeds the maximum circuit voltage. Consider the SOT-323 package constraints for thermal management and board layout.

Part Context

This part belongs to Infineon's BCR series of digital transistors, which integrate single resistors to simplify driver interface designs. The BCR185 variant specifically provides PNP polarity with defined gain and resistance parameters. It serves as a discrete solution for replacing complex bias networks in compact electronic systems requiring reliable switching performance.

Replacement Considerations

Check for direct pin-compatible alternatives within the same BCR family or other manufacturers offering identical SOT-323 PNP digital transistor specifications. Verify equivalent hFE, VCEO, and internal resistance values before substitution.