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Product Detailed Parameters
- Description：TRANS NPN 45V 0.5A SOT-323
- 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：160 @ 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：-
- Qualification：-
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Overview
The Nexperia BC817-25W,115 is an NPN general-purpose transistor housed in a SOT323 (SC-70) surface-mount package. It supports a maximum collector-emitter voltage of 45 V and a continuous collector current of 500 mA. The device offers a peak collector current of 1 A for single pulses up to 1 ms. DC current gain ranges from 160 to 400 at IC = 100 mA and VCE = 1 V. Transition frequency is typically 100 MHz. Total power dissipation reaches 290 mW at Tamb ≤ 25 °C. Operating junction temperature spans -65 °C to +150 °C.
Feature Summary
- High current capability with 500 mA continuous collector current rating
- Three selectable current gain groups for flexible circuit design
- Compact SOT323 plastic surface-mounted device package
Applications
- General-purpose switching
- Amplification circuits
Procurement Notes
Verify the specific ordering suffix against official Nexperia documentation to confirm packaging details and manufacturing site codes. Confirm that the component meets project requirements regarding thermal resistance and absolute maximum ratings before finalizing procurement plans.
Selection Notes
Select this component when a compact NPN transistor with moderate current handling is required. The BC817-25W variant provides a defined DC current gain range suitable for standard amplification tasks. Ensure the application operates within the specified 45 V collector-emitter voltage limits and thermal constraints.
Part Context
This part belongs to the BC817W series of NPN general-purpose transistors manufactured by Nexperia. It serves as the complementary counterpart to the BC807W PNP series. The device utilizes a very small SOT323 plastic package designed for efficient surface mounting on printed-circuit boards.
Replacement Considerations
Compatible substitutes include other manufacturers' BC817-25 variants in the SC-70 or SOT323 package. Verify pinout compatibility and electrical parameters such as hFE ranges and saturation voltages before substitution.
FAQ
What is the marking code for the BC817-25W?
The marking code for the BC817-25W is 6B, followed by a placeholder for the manufacturing site code.
Is the BC817-25W automotive qualified?
No, the BC817W series described in this document is not automotive qualified. Customers requiring automotive qualification should consult Nexperia for specific alternative products.
What is the thermal resistance from junction to ambient?
The thermal resistance from junction to ambient is 625 K/W in free air and 431 K/W when mounted on an FR4 PCB with a standard footprint.
