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Product Detailed Parameters
- Description：TRANS NPN 45V 0.5A TO-236AB
- 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：100 @ 100mA, 1V
- Power - Max：350 mW
- Frequency - Transition：100MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：TO-236AB
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BC817K-16HR is an NPN general-purpose transistor from the Nexperia BC817KH series, housed in a small SOT23 (TO-236AB) Surface-Mounted Device plastic package. It features a collector-emitter voltage of 45 V and a continuous collector current of 500 mA at 25 °C. The device supports a peak collector current of 1 A for single pulses up to 1 ms. DC current gain (hFE) ranges from 100 to 250 when measured at VCE = 1 V and IC = 100 mA. Total power dissipation reaches 425 mW on standard FR4 PCBs and up to 950 mW with optimized thermal pads.
Feature Summary
- Three distinct current gain selections available within the series
- High power dissipation capability suitable for demanding thermal environments
- Operational stability maintained for high-temperature applications up to 175 °C
Applications
- General-purpose switching circuits
- Signal amplification stages
- Digital logic interface control
Procurement Notes
Verify the specific suffix 'HR' against official Nexperia documentation to confirm reel packaging specifications or tape-and-reel dimensions. Ensure the component matches the non-automotive qualified status indicated in the latest datasheet revision. Confirm that the ordering code aligns with the required hFE binning for the -16 variant before finalizing procurement orders.
Selection Notes
Select this component when a compact SOT23 footprint is required for NPN switching tasks. The BC817K-16H variant provides a moderate gain range of 100 to 250, suitable for standard digital driving applications. Consider the thermal resistance characteristics if operating near the maximum junction temperature limits or utilizing single-sided copper PCB layouts.
Part Context
This part belongs to the BC817KH series, which includes complementary PNP devices like the BC807K-16H. The series offers three gain grades (-16, -25, -40) to accommodate different circuit requirements. Unlike automotive-grade variants, these components are not qualified for automotive use according to the September 2025 datasheet revision.
Replacement Considerations
Direct functional substitutes include BC817K-25H and BC817K-40H from the same series, provided their respective hFE ranges meet design criteria. Complementary PNP equivalents such as BC807K-16H may be used for differential pairs.
