ChipApex | Global Electronic Components Supplier
L544
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
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 Detailed Parameters
- Description：MODULE SCR/DIODE 25A 480VAC PCB
- Series：L
- Mfr：Sensata-Crydom
- Package：Bulk
- Structure：Bridge, Single Phase - All SCRs
- Number of SCRs, Diodes：4 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)：300A @ 60Hz
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Through Hole
- Package / Case：Module
- Voltage - Gate Trigger (Vgt) (Max)：3 V
- Current - Gate Trigger (Igt) (Max)：100 mA
- Current - Hold (Ih) (Max)：-
- Grade：-
- Qualification：-
Download product information
Overview
The L544 is a discrete semiconductor module manufactured by Sensata-Crydom under the Crydom brand. It is classified as an SCR/Diode module designed for PCB mounting. The component features a single-phase bridge structure containing four SCRs. It supports an off-state voltage of 400V and operates within a junction temperature range of -40°C to 125°C. The module includes two SCRs and two diodes in its configuration.
Feature Summary
- Single-phase bridge structure utilizing silicon technology
- PCB module design for direct board integration
- High thermal operating capability up to 125°C junction temperature
Applications
- Industrial power control systems requiring AC switching
- Solid-state relay assemblies
- Discrete semiconductor applications in electronics manufacturing
Procurement Notes
Verify the part status carefully, as sources indicate the L544 may be obsolete or discontinued. Confirm current availability through authorized distributors before finalizing procurement plans. Ensure that the specific ordering suffix matches the required technical specifications, as variations exist within the product line. Cross-reference with official manufacturer documentation to validate compliance with current RoHS standards and environmental regulations.
Selection Notes
Select this module when a robust single-phase SCR bridge is required for high-temperature environments. The 400V off-state rating suits moderate voltage AC applications. Consider the PCB mounting style for space-constrained designs. Verify that the internal composition of two SCRs and two diodes aligns with the circuit topology requirements. Check for alternative active parts if obsolescence is confirmed.
Part Context
The L544 belongs to the L series of discrete semiconductor modules from Sensata-Crydom. This series focuses on providing reliable SCR and diode solutions for industrial applications. The component represents a standard offering in the company's portfolio for power control, though its lifecycle status should be monitored closely against newer generation products.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. If the L544 is obsolete, consult the manufacturer's official replacement guide or contact Sensata-Crydom directly for recommended alternatives.
