BCR185SE6327BTSA1

Overview

The BCR185SE6327BTSA1 is a PNP digital transistor from Infineon Technologies, integrated within the BCR185 series. It features an internal resistor network with a typical input resistance of 10 kOhms and a resistor ratio of 0.21. The device is housed in a SOT-323 surface-mount package. Key electrical ratings include a maximum collector-emitter voltage (VCEO) of 50 V, a continuous collector current of 100 mA, and a power dissipation capability of 250 mW. It offers a minimum DC current gain (hFE) of 70 and operates within a standard temperature range.

Feature Summary

• Integrated PNP bipolar junction transistor combined with biasing resistors for simplified circuit design
• High switching frequency performance suitable for fast signal processing applications
• Compact SOT-323 surface-mount packaging optimized for space-constrained PCB layouts

Applications

• General-purpose switching circuits
• Driver stages for relays and solenoids
• Logic level translation interfaces
• Inverter circuits for digital logic gates

Procurement Notes

Verify the exact suffix configuration against official Infineon documentation to ensure compatibility with specific tape-and-reel or cut-tape requirements. Confirm RoHS compliance status and material content declarations prior to integration. Cross-reference the part number with current discontinuation notices to assess long-term availability risks for production planning.

Selection Notes

Select this component when a compact PNP solution with built-in base resistance is required to reduce external component count. Ensure the 50 V voltage rating and 100 mA current capacity align with the load requirements. Consider the thermal characteristics and power dissipation limits relative to the expected operating environment and PCB copper area for adequate heat spreading.

Part Context

This part belongs to the BCR185 family of digital transistors, which integrate single PNP transistors with specific resistor networks. These devices are designed to replace discrete transistor-resistor combinations, simplifying schematic design and reducing assembly complexity. The series is widely used in consumer electronics and industrial control systems where reliable switching is needed.

Replacement Considerations

Consult official Infineon substitution guides for verified equivalents. Generic replacements may differ in hFE ranges, leakage currents, or package dimensions. Verify that any substitute maintains the same PNP polarity, voltage ratings, and pinout configuration to ensure functional compatibility without redesign.