Littelfuse L25S200 Semiconductor Fuse Very Fast-Acting 200A 250VDC 250VAC

The L25S200 from Littelfuse is a high-performance semiconductor fuse engineered to deliver exceptional current limiting capabilities, making it suitable for a range of demanding applications. With a very fast-acting opening mechanism, it ensures reliable protection by managing low I²t and peak let-through currents, which are crucial for safeguarding sensitive semiconductor devices. Recognized by Underwriters Laboratories (UL), these fuses can also serve as supplementary protection in UL listed equipment, ensuring compliance with industry standards. Capable of handling interruption ratings up to 200,000 amperes, this fuse meets both current and future system requirements, providing peace of mind in critical environments.

• UL Recognized and RoHS compliant for safety and environmental standards
• Very fast-acting opening mechanism for rapid fault clearing
• High-performance current limiting protecting sensitive semiconductor devices
• Interrupting rating up to 20,000 A at 250 V DC for reliable fault handling
• Rated for 200 A amperage and 250 V AC/DC for versatile power applications
• Melamine body with silver-plated copper alloy caps for durable electrical and thermal performance
• Operating temperature range from -55 °C to +125 °C for reliable performance in harsh environments
• 10 ms time constant ensuring fast response to overcurrent events
• Current limiting fuse type reduces stress on protected circuits and components
• Designed for industrial power equipment such as variable speed drives and UPS systems

• Amperage: 200 A
• Interrupting Rating: 20,000 A @ 250 V DC
• Voltage: 250 V AC, 250 V DC
• Opening: Very Fast-Acting (FF)
• Material: Melamine body, Copper Alloy (Silver Plated) caps
• Operating Temperature: -55 °C to +125 °C
• Time Constant: 10 ms
• Fuse Type: High-Speed, Current Limiting
• Compliance: UL Recognized, RoHS
• Country of Origin: Mexico

Datasheets

RoHS Declaration

Certification

ICP Test Report