Littelfuse L15S040 Semiconductor Fuse 40A 150VAC 150VDC Very Fast-Acting 20000A@100VDC

The L15S040 - L15S Series semiconductor fuse is designed to provide exceptional protection for sensitive electronic devices. With an ampere rating of 40 and a very fast-acting opening, it ensures minimal disruption during overcurrent conditions while effectively limiting the I²t and peak let-through currents, meeting rigorous semiconductor needs. Recognized by Underwriters Laboratories, this UL-approved fuse delivers reliable interruption for overcurrents up to 20,000 amperes at 100VDC, ensuring safety and compliance for your systems. Its robust performance and exceptional current-limiting capabilities make it a crucial component for safeguarding modern electrical applications.

• High interrupting rating of 20,000 amperes at 100 VDC
• Very fast-acting opening minimizes circuit disruption
• Current-limiting design reduces I²t and peak let-through currents for semiconductor protection
• UL recognized and RoHS compliant for safety and environmental standards
• Suitable for AC and DC voltages up to 150 V
• Wide operating temperature range from -55 °C to +125 °C for reliability
• Melamine body with silver-plated copper alloy cap for durability and conductivity
• Traditional North American bolted style for standard fuse holder compatibility
• Designed specifically for protecting power semiconductor devices in industrial applications

• Amperage: 40 A
• Voltage AC: 150 V
• Voltage DC: 150 V
• Interrupting Rating DC: 20 kA @ 100 VDC
• Opening Type: Very Fast-Acting (FF)
• Material: Melamine, Silver Plated Copper Alloy
• Operating Temperature: -55 °C to +125 °C
• Compliance: UL Recognized, RoHS
• Country of Origin: Mexico

Certification

Datasheets