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Product Detailed Parameters
- Description：TRANS PNP 45V SOT323
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Power - Max：-
- Frequency - Transition：-
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SOT-323
- Grade：-
- Qualification：-
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Overview
The Nexperia BC817-40W/ZLF is an NPN general-purpose transistor housed in a SOT323 (SC-70) surface-mount package. It features a collector-emitter voltage of 45 V and a maximum DC collector current of 500 mA, with a peak pulse current capability of 1 A. The device offers a high DC current gain range of 250 to 600 at IC = 100 mA and VCE = 1 V. Total power dissipation is rated at 200 mW at Tamb ≤ 25 °C, extending to 290 mW on specific PCB footprints. Operating junction temperature reaches 150 °C.
Feature Summary
- High current handling capability for general switching applications
- Three distinct current gain selections available within the series
- Compact SOT323 plastic surface-mounted device package
Applications
- General-purpose switching circuits
- Amplification stages
Procurement Notes
Verify the exact ordering suffix against the manufacturer's official documentation to confirm packaging format and manufacturing site codes. Confirm that the non-automotive qualification status aligns with your design requirements, as automotive-grade alternatives exist separately. Ensure compliance with RoHS3 specifications during component sourcing.
Selection Notes
Select this component when a compact NPN transistor with moderate voltage ratings and high current gain is required. The BC817-40W variant specifically targets designs needing a guaranteed minimum hFE of 250. Consider thermal derating curves if operating above 25 °C ambient temperature or utilizing standard PCB footprints rather than optimized heat-sinking pads.
Part Context
This part belongs to the BC817W series, which includes variants with different current gain ranges such as BC817-16W and BC817-25W. The PNP complement for this series is the BC807-40W. All devices share the same SOT323 package outline and pin configuration, facilitating design flexibility within the same footprint constraints.
Replacement Considerations
BC817-40W,115
FAQ
Is the BC817-40W/ZLF automotive qualified?
No, the product data sheet explicitly states that this product has changed to non-automotive qualification. Automotive alternatives are available separately.
What is the marking code for the BC817-40W?
The marking code is '6C', followed by a placeholder for the manufacturing site code.
What is the transition frequency (fT) specification?
The transition frequency is specified at 100 MHz under conditions of VCE = 5 V, IC = 10 mA, and Tamb = 25 °C.
