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Product Detailed Parameters
- Description：TRANS NPN 45V 0.5A PG-SOT23
- Series：-
- Mfr：Infineon Technologies
- 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：250 @ 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：PG-SOT23
- Grade：-
- Qualification：-
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Overview
The BC817K40E6433HTMA1 is an NPN silicon audio frequency transistor manufactured by Infineon Technologies. It features a collector-emitter voltage of 45 V and a maximum continuous collector current of 500 mA. The device provides a minimum DC current gain (hFE) of 250 at 100 mA and 1 V, with a transition frequency of 170 MHz. It operates within a junction temperature range up to 150 °C and dissipates up to 500 mW in the PG-SOT23 package.
Feature Summary
- Designed for general audio frequency applications
- High collector current capability
- Low collector-emitter saturation voltage
Applications
- General audio frequency circuits
- Switching applications requiring high current gain
- Amplifier stages
Procurement Notes
Verify the component marking code '6Cs' on the physical device to confirm it matches the BC817K-40 variant. Ensure the package type corresponds to SOT23 as specified for this part number. Confirm RoHS compliance status through official manufacturer documentation before integration into production.
Selection Notes
Select this component when a single NPN transistor with a 45 V rating and 500 mA current capacity is required. The hFE group 40 designation ensures a minimum gain of 250, suitable for high-gain amplification needs. Consider thermal resistance limits if operating near maximum power dissipation thresholds.
Part Context
This part belongs to the BC817K family of NPN silicon AF transistors from Infineon Technologies. It is specifically designated as the BC817K-40 variant, distinguished by its specific current gain grouping. The family includes complementary PNP types such as the BC807K series.
Replacement Considerations
BC817K-40
FAQ
What is the marking code for the BC817K40E6433HTMA1?
The marking code for this component is '6Cs'.
What is the maximum total power dissipation for this package?
The maximum total power dissipation is 500 mW for the BC817K and BC818K types.
Is this component qualified for automotive applications?
Yes, the component is qualified according to AEC Q101 standards.
