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L321F
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Product Detailed Parameters
- Description：MODULE SCR/DIODE 15A 120VAC PCB
- Series：L
- Mfr：Sensata-Crydom
- Package：Bulk,Box
- Structure：Bridge, Single Phase - SCRs/Diodes (Layout 2)
- Number of SCRs, Diodes：2 SCRs, 2 Diodes
- Voltage - Off State：400 V
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：2250A @ 60Hz
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Through Hole
- Package / Case：Module
- Voltage - Gate Trigger (Vgt) (Max)：2.5 V
- Current - Gate Trigger (Igt) (Max)：100 mA
- Current - Hold (Ih) (Max)：-
- Grade：-
- Qualification：-
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Overview
The Sensata-Crydom L321F is a single-phase bridge SCR module designed for power control applications. It features a 400V off-state voltage rating and supports an on-state current of 15A. The device utilizes screw mount installation for secure integration into industrial circuits. Key electrical parameters include a gate trigger current of 60mA and an on-state voltage drop of 2.2V. This component is part of the L series, providing reliable thyristor-based switching capabilities for AC load management in various electronic systems.
Feature Summary
- Single-phase bridge configuration integrating SCRs and diodes
- Compact design suitable for standard mounting requirements
- Reliable zero-cross turn-on characteristics for reduced electrical noise
Applications
- Industrial motor speed control systems
- AC power regulation circuits
- Heating element control applications
Procurement Notes
Verify component authenticity through authorized Sensata-Crydom distributors. Confirm that the specific batch matches the required 400V and 15A ratings. Check for any obsolescence notices as product status may vary. Ensure proper handling procedures are followed due to semiconductor sensitivity. Validate datasheet revisions before final procurement decisions.
Selection Notes
Select this module when a single-phase bridge rectifier with controllable output is required. Consider the 400V blocking voltage and 15A current capacity against circuit demands. Evaluate thermal management needs given the 2.2V on-state drop. Compare alternative packages if space constraints exist. Ensure compatibility with existing gate drive signals requiring 60mA trigger current.
Part Context
The L321F belongs to the Crydom L series of thyristor modules, widely used in industrial automation. It combines switching and rectification functions in a compact form factor. This series is recognized for robust performance in demanding environments. The component serves as a critical interface between control logic and high-power AC loads.
Replacement Considerations
L622F is listed as a similar available alternative. Verify pinout compatibility and electrical specifications before substitution. Ensure the replacement meets the same 400V and 15A requirements.
