SCT1255SJ

$4.42

Description：SCR 1.2KV 55A TO247J
Series：-

SKU:440515ef399f Category: SCRs Brand: SMC Diode Solutions

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：SCR 1.2KV 55A TO247J
Series：-
Mfr：SMC Diode Solutions
Package：Tube
Voltage - Off State：1.2 kV
Voltage - Gate Trigger (Vgt) (Max)：1.5 V
Current - Gate Trigger (Igt) (Max)：50 mA
Current - Hold (Ih) (Max)：120 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)：520A @ 50Hz
SCR Type：Standard Recovery
Operating Temperature：-40°C ~ 125°C (TJ)
Grade：-
Qualification：-
Mounting Type：Through Hole
Package / Case：TO-247-3
Supplier Device Package：TO-247J
Voltage - On State (Vtm) (Max)：1.6 V
Current - On State (It (AV)) (Max)：-
Current - On State (It (RMS)) (Max)：55 A
Current - Off State (Max)：10 µA

Download product information

SCT1255SJ

Overview

The SCT1255SJ is a Silicon Controlled Rectifier (SCR) manufactured by SMC Diode Solutions, designed for high-power applications. It features a maximum off-state voltage of 1.2 kV and an on-state current rating of 55 A. The device utilizes a TO-247J through-hole package to facilitate efficient heat dissipation. Key electrical characteristics include a gate trigger voltage maximum of 1.5 V. The component is engineered to withstand significant shock loading from large currents and offers strong resistance to electromagnetic interference due to its high dv/dt rate capability.

Feature Summary

High ability to withstand shock loading associated with large current operations
High dv/dt rate providing strong resistance to electromagnetic interference
Through-hole mounting configuration in TO-247J package for thermal management

Applications

Industrial motor control systems requiring high surge tolerance
Power supply circuits utilizing silicon controlled rectifiers
Applications demanding robust performance against electromagnetic noise

Procurement Notes

Verify the specific suffix 'SJ' corresponds to the required packaging or tape-and-reel configuration when ordering. Confirm that the TO-247J lead form matches the target PCB footprint requirements. Ensure the 1.2 kV blocking voltage and 55 A current ratings align with the system's peak operational demands. Check for RoHS compliance status if environmental regulations apply to the final assembly.

Selection Notes

Select this component when high voltage isolation and substantial current handling are necessary. The TO-247J package is suitable for heatsink mounting in space-constrained industrial environments. Consider the 1.5 V gate trigger voltage for compatibility with standard logic-level drive circuits. Evaluate the thermal resistance characteristics to ensure adequate cooling solutions are integrated into the design.

Part Context

This SCR belongs to the general-purpose thyristor category within SMC Diode Solutions' portfolio. It serves as a solid-state switch for AC/DC power control applications. The device complements other SCRs in the series offering varying voltage and current ratings. It is distinct from diodes and transistors by its latching behavior and four-layer semiconductor structure.