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Product Detailed Parameters
- Description：SCR TO5
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Off State：-
- Voltage - Gate Trigger (Vgt) (Max)：-
- Current - Gate Trigger (Igt) (Max)：-
- Current - Hold (Ih) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：-
- SCR Type：Sensitive Gate
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-205AA, TO-5-3 Metal Can
- Supplier Device Package：TO-5
- Voltage - On State (Vtm) (Max)：-
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：-
- Current - Off State (Max)：-
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Overview
The 2N2323A is a silicon controlled rectifier (SCR) manufactured by Microchip Technology, designed for military applications under the MIL-PRF-19500/276 qualification standard. It features a hermetically sealed TO-5 metal can package suitable for through-hole mounting. The device operates within an extended temperature range of -65°C to +125°C. Key electrical specifications include a maximum repetitive peak off-state voltage of 200 V and a maximum average on-state current of 220 mA. Triggering characteristics are defined by a maximum gate trigger voltage of 600 mV and a maximum gate trigger current of 20 µA, classifying it as a sensitive gate SCR with a holding current of 2 mA.
Feature Summary
- Hermetically sealed TO-5 metal can construction ensures environmental durability
- Qualified to MIL-PRF-19500/276 for military-grade reliability
- Sensitive gate design enables low-power triggering requirements
Applications
- Military electronic systems requiring ruggedized semiconductor components
- High-reliability switching circuits operating in extreme temperatures
- Industrial control applications demanding strict environmental sealing
Procurement Notes
Verify component authenticity against official Microchip documentation due to military qualification status. Confirm lot traceability and inspection certificates required for defense contracts. Check for recent manufacturing changes or obsolescence notices affecting supply continuity. Ensure packaging meets hermetic seal standards specified in the datasheet. Validate that the specific suffix matches the required military grade designation.
Selection Notes
Select this component when military qualification and hermetic sealing are mandatory. Compare gate sensitivity requirements against circuit drive capabilities. Evaluate thermal management needs within the -65°C to +125°C operational range. Consider the TO-5 package constraints for PCB layout and mechanical integration. Verify voltage and current margins against peak load conditions.
Part Context
The 2N2323A belongs to the 2N2323 series of silicon controlled rectifiers produced by Microchip Technology. This series includes variants such as 2N2323, 2N2324, and 2N2326, all sharing similar military qualifications. These devices are part of Microchip's legacy discrete semiconductor portfolio focused on high-reliability applications. The series maintains compatibility with established military design practices.
Replacement Considerations
Direct substitutes include other qualified parts from the same MIL-PRF-19500/276 series, such as the 2N2323 or 2N2324, provided pinouts and electrical parameters match exactly. Cross-brand replacements require rigorous validation of hermetic sealing and military compliance.
