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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：250 @ 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：Automotive
- Qualification：AEC-Q101
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Overview
The Diotec Semiconductor BC817-40-AQ is an NPN general-purpose bipolar junction transistor (BJT) housed in a SOT-23 surface-mount package. It features a collector-emitter voltage of 45 V, a maximum DC collector current of 800 mA, and a power dissipation rating of 310 mW. The device belongs to the -40 gain group, providing a minimum DC current gain of 250 at 100 mA and 1 V. It operates within a junction temperature range of -55°C to +150°C and has a transition frequency of 100 MHz.
Feature Summary
- AEC-Q101 qualified for automotive applications
- Three distinct current gain groups available
- RoHS compliant and free from conflict minerals
Applications
- Signal processing circuits
- General-purpose switching applications
- Amplification stages
Procurement Notes
Verify that the component carries the specific -AQ suffix to confirm AEC-Q101 qualification status. Ensure the marking code matches '6CT' on the physical device. Confirm compliance with RoHS directives and REACH regulations before final integration into the design.
Selection Notes
Select this variant when automotive reliability standards are required. The -40 designation ensures a higher minimum current gain compared to lower gain groups. Verify that the 310 mW power dissipation limit aligns with the thermal management capabilities of the target printed circuit board layout.
Part Context
This component is part of the BC817 series of universal NPN transistors manufactured by Diotec Semiconductor. It serves as the complementary counterpart to the BC807 PNP transistor family. The standard industrial version lacks the automotive qualification found in the -AQ variant.
Replacement Considerations
BC817-40R13
FAQ
What is the marking code for the BC817-40-AQ?
The marking code for the BC817-40-AQ is 6CT.
What does the -AQ suffix indicate?
The -AQ suffix indicates that the device is AEC-Q101 qualified.
What is the minimum DC current gain for this specific model?
The minimum DC current gain is 250 at IC = 100 mA and VCE = 1 V.
