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The BC817-QR is an NPN general-purpose transistor from Nexperia, housed in a SOT-23 (TO-236AB) surface-mount package. It supports a maximum collector current of 500 mA and offers three distinct DC current gain selections to accommodate varied circuit requirements. The device is qualified under the AEC-Q101 automotive standard, ensuring reliability for demanding environments. Key electrical ratings include a collector-emitter voltage of 45 V and a collector-base voltage of 50 V. It operates within a temperature range of -55°C to +150°C junction temperature.
Verify the specific suffix code against the official Nexperia datasheet to confirm the exact hFE binning required for your design. Ensure the ordering part number matches the desired gain selection variant. Confirm RoHS compliance status and packaging type with the authorized distributor prior to purchase.
Select this component when an AEC-Q101 qualified NPN transistor is required for space-constrained automotive or industrial designs. The SOT-23 package provides a compact footprint suitable for high-density PCB layouts. Choose the appropriate gain suffix based on the specific amplification or switching speed needs of the application circuit.
This component belongs to the BC817 series of NPN general-purpose transistors manufactured by Nexperia. The series is widely used in consumer and automotive electronics due to its balance of performance and cost. The QR suffix typically denotes automotive qualification and specific packaging configurations within the broader product family.
Direct substitutes include other AEC-Q101 qualified NPN transistors in SOT-23 packages with similar 45V/500mA ratings. Verify pinout compatibility and thermal characteristics before substitution.