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Product Detailed Parameters
- Description：POWER BJT
- Series：*
- Mfr：Microchip Technology
- Package：Bulk
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Power - Max：-
- Frequency - Transition：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The 2N5663U3 is a military-grade NPN power silicon transistor qualified to MIL-PRF-19500/454. It features a TO-5 metal can package with three pins. Key electrical ratings include a collector-emitter voltage of 300V, a collector-base voltage of 400V, and an emitter-base voltage of 6V. The device supports a maximum continuous collector current of 2A and operates within a junction temperature range of -65°C to +200°C.
Feature Summary
- Qualified for high-reliability military applications under MIL-PRF-19500 standards
- Utilizes a hermetically sealed metal can construction for environmental protection
- Designed for high-voltage switching and amplification in rugged environments
Applications
- Military aerospace systems requiring radiation-hardened or high-reliability components
- High-voltage power supply circuits in defense equipment
- Industrial control systems operating in extreme temperature conditions
Procurement Notes
Verify the specific suffix U3 indicates the correct military qualification level and pin configuration. Confirm that the TO-5 package dimensions match the host board layout. Ensure compliance with MIL-PRF-19500/454 specifications is required for the intended application environment. Check for recent Product Change Notifications regarding assembly site or material changes.
Selection Notes
Select this component when a high-voltage NPN transistor with a metal can package is required for military or high-reliability designs. Compare the 300V VCEO rating against circuit requirements. Consider the thermal management needs associated with the TO-5 package and 2A current capability. Verify compatibility with existing MIL-PRF-19500/454 qualified parts lists.
Part Context
This part belongs to the 2N5663 series of NPN power transistors manufactured by Microchip Technology (formerly Microsemi). The series includes various qualification levels such as JAN, JANTX, and JANTXV. The 2N5663U3 specifically denotes the U3 variant, which typically corresponds to the highest reliability tier within the MIL-PRF-19500/454 specification family.
Replacement Considerations
Direct replacements must be sourced from the same MIL-PRF-19500/454 qualified family. Verify that substitute parts maintain the identical TO-5 package outline and pinout. Ensure the replacement meets or exceeds the 300V collector-emitter voltage and 2A collector current ratings.
