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Product Detailed Parameters
- Description：BC817K-40-Q/SOT23/TO-236AB
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Technology：-
- Voltage - DC Reverse (Vr) (Max)：-
- Current - Average Rectified (Io)：-
- Voltage - Forward (Vf) (Max) @ If：-
- Speed：-
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：-
- Capacitance @ Vr, F：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Operating Temperature - Junction：-
- Grade：-
- Qualification：-
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Overview
The Nexperia BC817K-40-QVL is a single NPN general-purpose bipolar junction transistor (BJT) designed for surface-mount applications. It operates with a maximum collector-emitter voltage of 45 V and supports a continuous collector current of 500 mA. The device features a high DC current gain (hFE) range of 250 to 600, ensuring efficient switching performance. It is housed in the compact SOT-323 (SC-74) package, which offers a small footprint suitable for space-constrained designs. The component is qualified under the AEC-Q101 standard, indicating its suitability for automotive electronics environments.
Feature Summary
- AEC-Q101 qualified for automotive reliability standards
- High current gain selection for precise amplification control
- Compact SOT-323 leadless surface-mount package
- Low saturation voltage for efficient power management
Applications
- Automotive general-purpose switching circuits
- Space-restricted consumer electronics
- General-purpose amplification stages
Procurement Notes
Verify the specific suffix 'QVL' against official Nexperia documentation to confirm exact tape-and-reel specifications and moisture sensitivity level. Ensure the procurement channel provides valid traceability for AEC-Q101 certified components intended for automotive use. Cross-reference the datasheet revision date to guarantee compatibility with current manufacturing processes.
Selection Notes
Select this component when a small form factor is required alongside robust automotive-grade reliability. The BC817K-40-QVL is appropriate for designs needing high current gain at low currents. Compare thermal dissipation capabilities in the SOT-323 package against system constraints. Consider the complementary PNP type if push-pull configurations are necessary.
Part Context
This part belongs to the BC817 series of NPN general-purpose transistors manufactured by Nexperia. The series is widely used in both consumer and automotive sectors due to its balance of performance and size. The 'K' indicates the SOT-323 package variant, while the '-40' specifies the high-gain binning. This family serves as a modern replacement for older through-hole technologies in portable devices.
Replacement Considerations
Direct substitutes include other AEC-Q101 qualified NPN transistors in the SOT-323 package with matching 45V/500mA ratings. Verify pinout compatibility and hFE ranges before substitution. Alternative packages like SOT-23 may require PCB layout adjustments.
