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Product Detailed Parameters
- Description：MOD DIODE SCR 25A 120VAC .250"QC
- Series：B-2T
- Mfr：Sensata-Crydom
- Package：Bulk
- Structure：Bridge, Single Phase - SCRs/Diodes (Layout 1)
- 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)：250A @ 60Hz
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Chassis Mount
- Package / Case：Module
- Voltage - Gate Trigger (Vgt) (Max)：2.5 V
- Current - Gate Trigger (Igt) (Max)：60 mA
- Current - Hold (Ih) (Max)：-
- Grade：-
- Qualification：-
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Overview
The B511-2T is a single-phase SCR diode bridge module manufactured by Sensata-Crydom. It features a silicon construction with a maximum off-state voltage of 400V and an RMS on-state current rating of 25A. The device supports a non-repetitive surge current of 250A at 60Hz, with a maximum gate trigger voltage of 2.5V. It utilizes screw mount installation and operates within a temperature range of -40°C to +125°C. The module integrates two SCRs and two diodes in a compact chassis-mount package designed for industrial power control applications.
Feature Summary
- Integrates dual SCRs and dual diodes into a single-phase bridge configuration
- Supports high thermal performance with extended operating temperature range
- Features robust surge current handling capability for transient loads
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 datasheet revision status prior to integration. Ensure mounting hardware compatibility with specified screw terminal requirements. Validate thermal management design against specified junction temperature limits during procurement planning.
Selection Notes
Select this module for applications requiring integrated single-phase rectification and phase control. Consider the 25A continuous current rating and 400V blocking voltage when sizing for load requirements. Evaluate thermal dissipation needs based on ambient conditions and duty cycle specifications.
Part Context
This component belongs to the B-2T series of discrete semiconductor modules from Sensata-Crydom. The series provides standardized solutions for power conversion and control tasks. The B511-2T variant specifically addresses single-phase AC control needs with combined switching and rectification capabilities in a ruggedized package.
Replacement Considerations
Public confirmed substitute part numbers are not available in verified documentation. Consult official Sensata-Crydom resources for cross-reference information.
