Littelfuse L70S020 Semiconductor Fuse 20A 20000A@650VDC Very Fast-Acting 700VAC

The L70S020 from Littelfuse is engineered to deliver high-performance overcurrent protection, making it an essential component for modern electrical systems. With an impressive interrupting rating of 20,000 amps at 650 volts DC and a robust 200 kAIC for AC, this fast-acting fuse ensures reliable interruption of overcurrents, aligning with current and future requirements. Designed to meet the stringent demands of semiconductor applications, it features extremely current-limiting characteristics, reducing peak let-through currents and ensuring safety and efficiency in operation. Additionally, as a UL Recognized component, it provides supplementary protection that enhances the safety of UL-listed equipment, reinforcing its role as a critical element in both commercial and industrial environments.

• Extremely current limiting for enhanced protection
• Very fast-acting response to overcurrent conditions
• High interrupting rating of 20,000 A at 650 VDC and 200 kA AC
• UL and CSA recognized for safety assurance
• Melamine body with silver-plated copper terminals for durability and conductivity
• Wide operating temperature range from -55°C to +125°C
• Low power loss of 5 W at 100% rated current for energy efficiency
• Cylindrical mounting for secure installation in 10-30 A range
• RoHS compliant for environmental safety
• Designed for semiconductor and industrial power applications

• Amperage: 20 A
• Interrupting Rating: 20000 A @ 650 VDC, 200 kA AC
• Voltage: 700 VAC, 650 VDC
• Opening Type: Very Fast-Acting (FF)
• Material: Melamine body, Copper terminals (silver plated)
• Mounting Type: Cylindrical (10-30 A), Bolted Tags (35-800 A)
• Operating Temperature Range: -55°C to +125°C
• Storage Temperature: Up to 35°C, <65% RH
• Power Loss: 5 W at 100% rated current, 2 W at 80% rated current
• Certifications: UL Recognized, CSA Recognized
• Environmental Compliance: RoHS Compliant
• Country of Origin: Mexico

Environmental Info

RoHS Declaration

Datasheets

Certification

ICP Test Report