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GA301
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Product Detailed Parameters
- Description：SCR
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Off State：100 V
- Voltage - Gate Trigger (Vgt) (Max)：750 mV
- Current - Gate Trigger (Igt) (Max)：200 µA
- Current - Hold (Ih) (Max)：5 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：-
- SCR Type：Standard Recovery
- Operating Temperature：0°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-206AA, TO-18-3 Metal Can
- Supplier Device Package：TO-18
- Voltage - On State (Vtm) (Max)：1.5 V
- Current - On State (It (AV)) (Max)：100 A
- Current - On State (It (RMS)) (Max)：-
- Current - Off State (Max)：10 mA
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Overview
The GA301 is a Silicon Controlled Rectifier (SCR) manufactured by Microchip Technology, designed for through-hole mounting in TO-18-3 packages. It features a rated repetitive off-state voltage (VDRM) of 100 V and a maximum holding current (Ih) of 5 mA. The device exhibits a low gate trigger voltage (Vgt) of 500 mV and a gate trigger current (Igt) of 10 uA, with a maximum gate peak reverse voltage of 5 V. Leakage current under VDRM conditions is limited to 1 uA. It supports non-repetitive on-state currents up to 100 A and operates within a temperature range of 0 C to +125 C.
Feature Summary
- High surge current capability with a 100 A non-repetitive on-state rating.
Applications
- Industrial control circuits requiring robust switching.
Procurement Notes
Verify the specific suffix 'e3' when ordering, as it indicates lead-free compliance per RoHS standards. Confirm package integrity upon receipt, as the TO-18-3 metal can housing requires careful handling during installation. Ensure the procurement documentation matches the exact part number to avoid discrepancies in electrical ratings or pin configurations.
Selection Notes
Select this component for applications requiring a 100 V blocking voltage and low gate drive power. The TO-18-3 package suits prototyping and high-reliability through-hole designs. Evaluate thermal management needs against the 125 C maximum junction temperature limit. Compare leakage current specifications if sensitive standby states are critical to the circuit design.
Part Context
This SCR belongs to Microchip's thyristor portfolio, utilizing legacy TO-18 metal can packaging often found in established industrial and military-grade designs. The device provides reliable latching behavior for AC/DC control applications where compact form factors and high surge tolerance are prioritized over surface-mount integration.
Replacement Considerations
Cross-reference with other 100 V TO-18 SCRs from manufacturers like Littelfuse or Vishay. Verify pinout compatibility and ensure equivalent VDRM, IGT, and IH ratings before substitution. Mechanical fitment in existing PCBs must be confirmed due to the specific TO-18 dimensions.
