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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：-
- 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)：220 mA
- Current - On State (It (RMS)) (Max)：-
- Current - Off State (Max)：-
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Overview
The Microchip Technology 2N2323S 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 gate trigger voltage of up to 800 mV and a maximum gate trigger current of 200 µA. It supports an on-state average current of 220 mA and maintains a holding current of 2 mA. The component is qualified under MIL-PRF-19500/276 standards, providing robust performance across a wide temperature range from -65°C to 125°C.
Feature Summary
- Hermetically sealed TO-5 metal can construction for environmental protection
- MIL-PRF-19500/276 qualification for military-grade reliability
- Sensitive gate triggering capability for low-power control circuits
Applications
- Military aerospace systems requiring radiation-hardened or sealed components
- High-reliability industrial power control circuits
- Cryogenic electronic applications due to extended low-temperature operation
Procurement Notes
Verify the specific suffix 'S' against the manufacturer's official datasheet to confirm package variations or testing levels. Ensure procurement channels provide traceability documentation required for MIL-PRF-19500/276 compliance. Check for product change notifications regarding manufacturing source updates before finalizing orders.
Selection Notes
Select this component when hermetic sealing and military qualification are mandatory. Compare the 200 V blocking voltage and 220 mA current ratings against circuit requirements. Consider the TO-5 through-hole mounting style for compatibility with existing board layouts designed for legacy military hardware.
Part Context
The 2N2323 series belongs to Microchip's portfolio of silicon-controlled rectifiers manufactured for defense and aerospace sectors. These devices are part of the broader family of sensitive gate SCRs, distinguished by their ability to trigger with minimal gate current while maintaining high voltage blocking capabilities in sealed packages.
Replacement Considerations
Cross-reference with other manufacturers offering MIL-PRF-19500/276 qualified TO-5 SCRs. Verify pinout compatibility and thermal characteristics when substituting with equivalent parts from other suppliers.
