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Product Detailed Parameters
- Description：TRANS NPN 45V 0.8A SOT23-3
- Series：-
- Mfr：Diotec Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：800 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：310 mW
- Frequency - Transition：100MHz
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3 (TO-236)
- Grade：-
- Qualification：-
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Overview
The Diotec Semiconductor BC817-25 is a general-purpose NPN bipolar junction transistor housed in an SOT-23 (TO-236) surface-mount package. It features a maximum collector-emitter voltage of 45 V and a continuous DC collector current rating of 800 mA. The device provides a minimum DC current gain (hFE) of 160 at a collector current of 100 mA and a collector-emitter voltage of 1 V. Its transition frequency is specified at 100 MHz, with a maximum power dissipation of 310 mW. The component operates within a junction temperature range of -55°C to +150°C.
Feature Summary
- Offers three distinct current gain groups for standardized amplification requirements
- Compliant with RoHS directives without exemptions and REACH regulations
- Designed for signal processing, switching, and amplification applications
Applications
- General-purpose switching circuits
- Signal processing systems
- Amplification stages
Procurement Notes
Verify the specific ordering suffix against the official Diotec Semiconductor datasheet to confirm the exact quality grade. The absence of a suffix indicates industrial grade, while the -AQ suffix denotes AEC-Q101 qualification. Confirm that the requested part matches the intended reliability standard before finalizing procurement specifications.
Selection Notes
Select this component when a small SMD NPN transistor with high current capability is required. The BC817-25 variant specifically targets designs needing a guaranteed minimum hFE of 160. Ensure the application voltage does not exceed the 45 V collector-emitter breakdown limit and that thermal management accommodates the 310 mW power dissipation rating.
Part Context
This component belongs to the BC817 series of SMD general-purpose NPN transistors manufactured by Diotec Semiconductor. The series includes variants differentiated by their DC current gain ranges (-16, -25, and -40). The BC817-25 represents the middle tier of gain performance within this family, sharing identical electrical ratings and physical packaging with its siblings.
Replacement Considerations
BC817-16
FAQ
What is the marking code for the BC817-25?
The marking code for the BC817-25 is '6B' or '6CS'.
Does the BC817-25 have a complementary PNP transistor?
Yes, the complementary PNP transistor for the BC817 series is the BC807.
What is the maximum peak collector current for this device?
The maximum peak collector current (ICM) is rated at 1 A.
