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Product Detailed Parameters
- Description：SCR 50V TO5
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Off State：50 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：200 µA
- Current - Hold (Ih) (Max)：2 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：-
- SCR Type：Sensitive Gate
- Operating Temperature：-65°C ~ 125°C
- Grade：Military
- Qualification：MIL-PRF-19500/276
- 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)：220 mA
- Current - On State (It (RMS)) (Max)：-
- Current - Off State (Max)：-
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Overview
The Microchip Technology 2N2323 is a Silicon Controlled Rectifier (SCR) designed for high-reliability applications. It features a hermetically sealed TO-5 metal can package, ensuring durability in harsh environments. The device operates with a maximum off-state voltage of 200 V and supports an average on-state current of 220 mA. Key electrical characteristics include a maximum gate trigger voltage of 600 mV and a maximum gate trigger current of 20 µA. The component is qualified under MIL-PRF-19500/276 standards, indicating its suitability for military-grade specifications.
Feature Summary
- Hermetically sealed construction for environmental protection
- Military qualification compliant with MIL-PRF-19500/276
- Sensitive gate design for low-power triggering
Applications
- High-reliability industrial control systems
- Military aerospace electronic circuits
- Precision switching applications requiring stable performance
Procurement Notes
Verify the specific revision level and lot traceability when sourcing this component, as it is a military-qualified device. Ensure that the supplier provides appropriate documentation confirming compliance with MIL-PRF-19500/276 standards. Check for any product change notifications or obsolescence notices from Microchip Technology prior to finalizing procurement decisions.
Selection Notes
Select the 2N2323 when a hermetically sealed SCR with sensitive gate characteristics is required for critical applications. Consider the TO-5 package constraints for board layout and thermal management. Compare against other MIL-PRF-19500/276 qualified SCRs if alternative pinouts or slightly different voltage ratings are acceptable for the design.
Part Context
The 2N2323 belongs to a family of silicon controlled rectifiers manufactured by Microchip Technology, formerly Microsemi. These devices are part of the broader portfolio of discrete semiconductors designed for ruggedized electronics. The TO-5 package is a standard form factor for hermetically sealed components used in defense and space industries.
Replacement Considerations
Direct replacements must meet MIL-PRF-19500/276 specifications. Verify compatibility with existing circuit parameters, particularly gate sensitivity and holding current, before substituting with equivalent parts from other manufacturers.
