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Product Detailed Parameters
- Description：TRANS NPN 45V 0.5A SOT-323
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：700mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 100mA, 1V
- Power - Max：200 mW
- Frequency - Transition：100MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SOT-323
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BC817W-QX is an NPN general-purpose transistor from the Nexperia BC847xW-Q series, housed in a SOT-323 (SC-70) surface-mount package. It features a maximum collector-emitter voltage of 45 V and a continuous collector current of 100 mA. The device is qualified to AEC-Q101 standards for automotive applications. Key electrical parameters include a minimum DC current gain (hFE) of 250 at 100 mA and 1 V, a transition frequency of 100 MHz, and a maximum power dissipation of 200 mW. Operating temperatures range from -65°C to 150°C.
Feature Summary
- Qualified according to AEC-Q101 for automotive reliability
- General-purpose switching and amplification capabilities
- Three different gain selections available within the series
Applications
- Automotive general-purpose switching circuits
- Automotive signal amplification stages
- Space-restricted electronic assemblies
Procurement Notes
Verify the specific suffix against official Nexperia documentation to confirm the exact gain group and packaging configuration. Ensure the component meets the required AEC-Q101 qualification level for your target application. Cross-reference the ordering code with authorized distributors to confirm availability and authenticity before procurement.
Selection Notes
Select this component when automotive-grade reliability is required for low-current NPN switching tasks. The SOT-323 package offers a compact footprint suitable for dense PCB layouts. Compare the 100 mA current rating against load requirements to ensure adequate headroom. Consider the available gain groups if precise beta matching is necessary for the circuit design.
Part Context
This part belongs to the BC847xW-Q family of automotive-qualified NPN transistors. It serves as a compact alternative to larger packages while maintaining robust performance characteristics. The W-series designation indicates the specific SOT-323 plastic surface-mount housing used for these devices.
Replacement Considerations
Direct substitutes include other AEC-Q101 qualified NPN transistors in the SOT-323 package with similar 45V/100mA ratings. Verify pinout compatibility and thermal characteristics before substitution.
