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The Infineon BCR166WE6327HTSA1 is a PNP silicon digital transistor featuring an integrated bias resistor network (R1 = 4.7 kΩ, R2 = 47 kΩ). It operates with a collector-emitter voltage of 50 V and a continuous collector current of 100 mA. The device dissipates up to 250 mW in the SOT-323 package and meets AEC-Q101 automotive qualification standards. Key electrical parameters include a DC current gain (hFE) of 70 at 5 mA, a transition frequency (fT) of 160 MHz, and a collector-emitter saturation voltage of 0.3 V.
Verify the specific suffix 'E6327HTSA1' against official Infineon documentation to confirm tape-and-reel packaging and RoHS compliance status. Ensure the procurement channel sources directly from authorized distributors to guarantee authenticity and traceability for automotive-grade components.
Select this PNP variant when a negative logic interface or high-side switching configuration is required. The built-in resistor ratio of approximately 0.1 provides predictable turn-on characteristics. Verify that the 50 V breakdown voltage aligns with the system's maximum operating limits.
This component belongs to the BCR166 series of PNP digital transistors manufactured by Infineon Technologies. The series is designed for general-purpose switching and logic interfacing tasks where space constraints and simplified biasing are critical design factors.
Cross-reference with other PNP digital transistors offering similar 50 V ratings and integrated bias networks. Verify pinout compatibility between SOT-23 and SOT-323 packages if physical footprint changes are permissible in the design.
The typical resistor ratio (R1/R2) is 0.1, with R1 being 4.7 kΩ and R2 being 47 kΩ.
Yes, the BCR166 series is qualified according to the AEC-Q101 standard for automotive use.
The maximum collector-emitter saturation voltage (VCEsat) is 0.3 V when tested at IC = 10 mA and IB = 0.5 mA.