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The BC817-25/SNR is an NPN general-purpose transistor manufactured by Nexperia, housed in a compact SOT23 (TO-236AB) surface-mount plastic package. It supports a maximum collector current of 500 mA and a collector-emitter voltage of 45 V. The device features a DC current gain range of 160 to 400 at IC = 100 mA and VCE = 1 V. Key electrical limits include a collector-base breakdown voltage of 50 V and an emitter-base breakdown voltage of 5 V. Total power dissipation reaches 250 mW at Tamb ≤ 25 °C on a standard footprint.
Verify the specific ordering suffix against official Nexperia documentation to confirm packaging details such as reel size or tape-and-reel specifications. Confirm that the component meets all required environmental standards and marking codes before finalizing procurement orders.
Select this variant when a moderate DC current gain between 160 and 400 is required. Ensure the operating conditions remain within the specified 45 V collector-emitter voltage limit and 500 mA continuous current rating. Verify thermal management requirements based on the 250 mW power dissipation limit.
This component belongs to the BC817 series of NPN general-purpose transistors. It shares the same physical SOT23 package and core electrical ratings as other variants in the family, distinguished primarily by its specific DC current gain binning. The PNP complement for this series is the BC807.
BC817-25
Pin 1 is the base, Pin 2 is the emitter, and Pin 3 is the collector.
No, unless explicitly stated otherwise, this product is not automotive qualified and should not be used in automotive equipment.