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Product Detailed Parameters
- Description：TRANS NPN 80V 50A TO204AA
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：50 A
- Voltage - Collector Emitter Breakdown (Max)：80 V
- Vce Saturation (Max) @ Ib, Ic：5V @ 10A, 50A
- Current - Collector Cutoff (Max)：500µA
- DC Current Gain (hFE) (Min) @ Ic, Vce：30 @ 5mA, 2V
- Power - Max：300 W
- Frequency - Transition：-
- Operating Temperature：-55°C ~ 200°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-204AA, TO-3
- Supplier Device Package：TO-204AA (TO-3)
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Overview
The Microchip Technology 2N5686 is a silicon NPN power bipolar junction transistor (BJT) designed for high-current applications. It features a maximum collector current of 50 A and a collector-emitter voltage rating of 80 V. The device is housed in a TO-3 (TO-204AA-2) package, supporting through-hole mounting with a maximum power dissipation of 300 W. It operates within a temperature range of -55°C to +200°C and provides a minimum DC current gain (hFE) of 30.
Feature Summary
- High-power capability with 300 W dissipation rating
- Robust 50 A continuous collector current handling
- Extended thermal stability up to 200°C junction temperature
Applications
- Industrial motor control systems
- High-current switching circuits
- Power amplification stages
Procurement Notes
Verify the specific manufacturer source, as onsemi also produces this part number. Confirm RoHS compliance status, as military variants may differ. Ensure the TO-3 package dimensions match the target PCB footprint. Validate the hFE binning requirements against the design specifications before finalizing procurement orders.
Selection Notes
Select this component when high current capacity and wide operating temperature ranges are required. Compare the 80 V breakdown voltage against circuit peak loads. Consider the TO-3 package size constraints for thermal management solutions. Verify that the 300 W power rating aligns with the system's heat dissipation capabilities.
Part Context
This part belongs to the standard NPN power transistor family used in heavy-duty electronics. It serves as a critical switching element in industrial environments where reliability under high stress is essential. The TO-3 metal can package provides superior thermal conductivity compared to plastic alternatives.
Replacement Considerations
The 2N5684 is a PNP counterpart with identical electrical ratings and package type. Verify polarity requirements before substitution. Other generic TO-3 NPN transistors may require validation of current gain and saturation voltage parameters.
