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F1857SDK400
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Product Detailed Parameters
- Description：MODULE SCR/DIODE 55A 120VAC
- Series：F18
- Mfr：Sensata-Crydom
- Package：Bulk
- Structure：Series Connection - All SCRs
- Number of SCRs, Diodes：2 SCRs
- Voltage - Off State：400 V
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：1500A @ 60Hz
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Chassis Mount
- Package / Case：Module
- Voltage - Gate Trigger (Vgt) (Max)：3 V
- Current - Gate Trigger (Igt) (Max)：150 mA
- Current - Hold (Ih) (Max)：-
- Grade：-
- Qualification：-
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Overview
The F1857SDK400 is a silicon SCR-Diode module from the Crydom F18 series, manufactured by Sensata Technologies. It features a reverse voltage rating of 400 V and an on-state current capacity of 55 A. The device incorporates a forward voltage drop of 1.4 V and operates within a temperature range of -40°C to +125°C. Designed for screw mount installation, this discrete semiconductor component utilizes thyristor technology for robust power control applications.
Feature Summary
- Integrates SCR and diode functions within a single silicon-based package
- Supports high-temperature operation up to 125°C with low thermal resistance design
- Provides reliable gate triggering characteristics for precise phase control
Applications
- Industrial motor speed control systems
- AC power regulation circuits
- Heating element control applications
Procurement Notes
Verify the specific suffix configuration against official datasheets to ensure compatibility with required voltage and current ratings. Confirm mounting hardware specifications and thermal interface requirements prior to integration. Cross-reference manufacturer part numbers to avoid substitution errors in critical power electronics designs.
Selection Notes
Select this module when requiring combined rectification and phase-control capabilities in a compact form factor. Evaluate thermal management solutions based on the 55 A current rating and 1.4 V forward voltage drop. Ensure the 400 V reverse voltage withstand capability aligns with peak line voltages in the target application circuit.
Part Context
This component belongs to the Crydom F18 series of discrete semiconductor modules. The series offers various voltage and current configurations tailored for industrial power switching needs. Sensata Technologies provides comprehensive technical documentation for integration support across different module variants within this product family.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Ensure replacement parts match the 400 V reverse voltage, 55 A current rating, and screw mount mechanical dimensions. Verify identical pinout configurations and thermal performance characteristics before implementation.
