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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：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 BC817-25W is an NPN general-purpose transistor manufactured by Nexperia, housed in a compact SOT323 (SC-70) surface-mount package. It supports a maximum collector current of 500 mA and withstands a collector-emitter voltage of 45 V. The device features a DC current gain range of 160 to 400 at VCE = 1 V and IC = 100 mA. Peak collector current reaches 1 A for single pulses up to 1 ms. Operating temperatures span from -65 °C to +150 °C, with total power dissipation rated at 290 mW on standard footprints.
Feature Summary
- High current capability suitable for demanding switching loads
- Three distinct current gain selections available within the series
- Compact plastic surface-mounted design for space-constrained applications
Applications
- General-purpose switching circuits
- Amplification stages
- Digital logic interface driving
Procurement Notes
Verify that the specific ordering suffix matches the required gain bin, as the BC817-25W designation corresponds to a specific hFE range. Confirm package type consistency, as other variants exist in different form factors. Ensure the application does not require automotive qualification, as this specific data sheet revision indicates non-automotive status. Cross-reference marking codes for manufacturing site identification during incoming inspection.
Selection Notes
Select the BC817-25W when a moderate DC current gain between 160 and 400 is required for signal amplification or switching tasks. This variant fits designs needing a small SOT323 footprint while maintaining high current handling. Compare against BC817-16W for lower gain needs or BC817-40W for higher gain requirements. Ensure thermal management aligns with the specified power dissipation limits under expected ambient conditions.
Part Context
This component belongs to the BC817W series of NPN general-purpose transistors. It serves as the complement to the BC807-25W PNP device. The series offers multiple gain grades to accommodate various circuit sensitivities without changing the physical package. It is designed for use in consumer electronics and industrial control systems requiring reliable small-signal performance.
Replacement Considerations
BC817-25W
FAQ
What is the DC current gain range for the BC817-25W?
The DC current gain (hFE) ranges from 160 to 400 when measured at VCE = 1 V and IC = 100 mA.
Is the BC817-25W qualified for automotive applications?
No, this product is not automotive qualified. It is intended for general-purpose use only.
What is the peak collector current rating?
The peak collector current (ICM) is rated at 1 A for single pulses with a duration of 1 ms or less.
