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Product Detailed Parameters
- Description：SCR 150V 110A TO209AC
- Series：-
- Mfr：Powerex Inc.
- Package：Bulk
- Voltage - Off State：150 V
- Voltage - Gate Trigger (Vgt) (Max)：3 V
- Current - Gate Trigger (Igt) (Max)：70 mA
- Current - Hold (Ih) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：1000A @ 60Hz
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Chassis, Stud Mount
- Package / Case：TO-209AC, TO-94-4, Stud
- Supplier Device Package：-
- Voltage - On State (Vtm) (Max)：2.3 V
- Current - On State (It (AV)) (Max)：70 A
- Current - On State (It (RMS)) (Max)：110 A
- Current - Off State (Max)：20 mA
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Overview
The 2N1912 is a silicon-controlled rectifier (SCR) manufactured by Powerex Inc., designed for rugged industrial applications. It features a TO-209AC package and utilizes stud mounting for secure installation. The device operates with a standard recovery characteristic, suitable for phase control tasks. Key electrical ratings include a repetitive peak reverse voltage of 150 volts and an average on-state current of 70 amperes, which corresponds to 110 amperes RMS. These specifications define its capacity for handling high-current switching duties in power electronics systems.
Feature Summary
- Rugged design intended for demanding industrial environments
- Standard recovery characteristic for phase control applications
- Stud mount configuration within the TO-209AC package
Applications
- Phase control circuits
- Industrial power conversion systems
- High-current switching applications
Procurement Notes
Verify the specific manufacturer source when sourcing this component, as Powerex has undergone corporate changes affecting product lines. Confirm that the received unit matches the TO-209AC physical dimensions and pinout requirements of your assembly. Ensure the part meets the necessary military or industrial standards if your application requires NSN 5961-00-990-2263 compliance. Cross-reference datasheets from authorized distributors to confirm active lifecycle status before finalizing procurement plans.
Selection Notes
Select the 2N1912 when a low-voltage, high-current SCR is required for robust industrial operation. Its 150V rating limits suitability to lower voltage DC or AC phases compared to higher-rated counterparts. The TO-209AC form factor dictates specific board space and thermal management strategies due to the stud mount interface. Evaluate thermal resistance requirements carefully, as the 70A average current rating necessitates adequate heat sinking to maintain junction temperatures within safe operating limits during continuous duty cycles.
Part Context
This component belongs to the family of silicon-controlled rectifiers produced by Powerex Inc., a manufacturer known for power semiconductors used in aerospace, defense, and mission-critical industries. The 2N1912 represents a standard discrete power switch designed for durability. It complements other Powerex offerings by providing a reliable solution for phase control where moderate voltage blocking and high current carrying capability are essential system requirements.
Replacement Considerations
Direct substitutes require matching the 150V voltage rating, 70A/110A current rating, and TO-209AC package. Verify gate trigger characteristics and thermal resistance values against original specifications to ensure functional equivalence in phase control circuits without modifying existing hardware layouts.
