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Product Detailed Parameters
- Description：TRANS NPN 45V 0.5A SOT23-3
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- 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：500 mW
- Frequency - Transition：170MHz
- Operating Temperature：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 BC817K-16-AQ is a single NPN silicon general-purpose transistor housed in an SOT-23 (TO-236AB) surface-mount package. It features a maximum collector-emitter voltage of 45 V and a continuous DC collector current of 500 mA, with peak currents reaching 1 A. The device offers three distinct DC current gain groups; the -16 variant specifies a minimum hFE of 100 at 100 mA. Power dissipation is rated at 300 mW under standard conditions and up to 500 mW when mounted on a PCB with specified copper pads. The component operates within a junction temperature range of -55°C to +150°C.
Feature Summary
- AEC-Q101 qualified for automotive applications
- Low thermal resistance construction
- Three selectable current gain groups
Applications
- General-purpose signal processing
- Electronic switching circuits
- Amplification stages
Procurement Notes
Verify that the ordering suffix explicitly includes 'AQ' to confirm AEC-Q101 qualification status. Confirm the specific gain group designation matches the required hFE specifications for the target circuit design. Ensure compliance with RoHS, REACH, and Conflict Minerals regulations as stated in the manufacturer documentation.
Selection Notes
Select this component for designs requiring automotive-grade reliability alongside standard commercial performance. The low thermal resistance facilitates efficient heat dissipation in compact layouts. Verify that the required current gain falls within the -16 group parameters before finalizing the bill of materials.
Part Context
This part belongs to the BC817K series of SMD general-purpose NPN transistors manufactured by Diotec Semiconductor. The series provides various current gain options and packaging configurations suitable for space-constrained surface-mount applications across commercial and industrial environments.
Replacement Considerations
BC817K-16-AQ
FAQ
What does the 'K' suffix indicate in the part number?
The 'K' suffix denotes that the transistor has low thermal resistance.
Is this component suitable for automotive use?
Yes, the '-AQ' suffix indicates that the device is qualified according to the AEC-Q101 automotive standard.
What are the maximum ratings for base current?
The maximum DC base current is 100 mA, and the peak base current is 200 mA.
