B554-2

$58.12

Description：MOD DIODE SCR 25A 480VAC ISO QC
Series：B-2

SKU:dfc48bc57f4f Category: SCRs - Modules Brand: Sensata-Crydom

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Product introduction

B554-2 is listed in the SCRs - Modules range at ChipApex. The manufacturer field lists Sensata-Crydom. Its product description is MOD DIODE SCR 25A 480VAC ISO QC. Review the specifications below when checking this part for your BOM.

SCRs - Modules specifications for B554-2

Description：MOD DIODE SCR 25A 480VAC ISO QC
Series：B-2
Mfr：Sensata-Crydom
Package：Bulk
Structure：1-Phase Controller - All SCRs
Number of SCRs, Diodes：2 SCRs
Voltage - Off State：1.2 kV
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 with Isolation Barriers
Voltage - Gate Trigger (Vgt) (Max)：2.5 V
Current - Gate Trigger (Igt) (Max)：60 mA
Current - Hold (Ih) (Max)：-
Grade：-
Qualification：-

SCRs - Modules datasheet and documents for B554-2

B554-2

SCRs - Modules Overview

The B554-2 is a discrete semiconductor module manufactured by Sensata-Crydom, belonging to the B-2 / B-2T series. It functions as an SCR-Diode module constructed using Silicon technology. The component features a screw mount installation style and is designed for robust industrial applications. Key electrical specifications include a maximum reverse voltage of 480 V and a forward voltage drop of 1.65 V. The unit supports a minimum operating temperature of -40°C and a maximum operating temperature of +125°C.

SCRs - Modules Feature Summary

Utilizes Silicon-based SCR-Diode architecture for high-power switching
Features isolated quick-connect (ISO QC) module design
Supports screw mount installation for secure mechanical attachment

SCRs - Modules Applications

Industrial power control systems
High-current AC load switching
Power electronics modules

SCRs - Modules Procurement Notes

Verify the specific datasheet version and RoHS/REACH compliance status directly with Sensata-Crydom or authorized distributors before procurement. Confirm that the ISO QC module form factor matches the target PCB or terminal block interface requirements. Ensure thermal management solutions are adequate for the intended operating environment given the specified temperature range.

SCRs - Modules Selection Notes

Select this module when a discrete SCR-Diode configuration is required rather than a pre-packaged relay. Evaluate the 480V reverse voltage rating against peak circuit voltages to ensure safety margins. Consider the 1.65V forward voltage drop for thermal dissipation calculations in high-current scenarios.

SCRs - Modules Part Context

The B554-2 is part of the Crydom B-2 / B-2T series of discrete semiconductor modules. This series provides isolated SCR and diode components for integration into custom power circuits. Sensata-Crydom manufactures these modules to meet industrial standards for reliability and performance in demanding electrical environments.