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Product Detailed Parameters
- Description：TRANS NPN 45V 0.5A DFN1010D-3
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：40 @ 500mA, 1V
- Power - Max：900 mW
- Frequency - Transition：100MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：3-XDFN Exposed Pad
- Supplier Device Package：DFN1010D-3
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BC817-25QAZ is a 45 V, 500 mA NPN general-purpose transistor manufactured by Nexperia. It utilizes a leadless DFN1010D-3 (SOT1215) surface-mount package with visible solderable side pads and a low profile of 0.37 mm. The device features a DC current gain (hFE) range of 160 to 400 at IC = 100 mA. Key electrical limits include a collector-base voltage of 50 V, an emitter-base voltage of 5 V, and a total power dissipation of 300 mW at 25 °C. It operates within a junction temperature range of -55 °C to +150 °C and holds AEC-Q101 qualification.
Feature Summary
- AEC-Q101 qualified for automotive applications
- Leadless ultra-small DFN1010D-3 package with visible side pads
- Low package height of 0.37 mm
- Two current gain selections available
Applications
- General-purpose switching
- Amplification circuits
- Mobile applications
Procurement Notes
Verify the specific ordering suffix 'Z' against the manufacturer's official documentation to confirm tape-and-reel packaging details. Ensure the component matches the DFN1010D-3 physical dimensions and marking codes provided in the datasheet. Confirm that the hFE binning corresponds to the BC817-25QA specification rather than other variants in the series before finalizing procurement.
Selection Notes
Select this component when a compact NPN transistor with high current gain is required for space-constrained designs. The DFN1010D-3 package offers thermal advantages over traditional SOT-23 packages due to exposed copper pads. Verify that the 45 V collector-emitter voltage rating meets the circuit requirements. Consider the AEC-Q101 qualification if the application demands automotive-grade reliability standards.
Part Context
This part belongs to the BC817 family of general-purpose NPN transistors produced by Nexperia. While the standard BC817 series typically uses SOT-23 packages, the BC817-25QA variant specifically employs the DFN1010D-3 form factor. This distinction provides improved thermal performance and a lower profile suitable for modern mobile electronics compared to legacy plastic packages.
Replacement Considerations
The BC807-25QA is the documented PNP complement within the same package series. For direct functional replacement in NPN roles, verify compatibility with other BC817-25 variants in different packages, ensuring pinout alignment and thermal characteristics match the design constraints.
