Filters
Circuit Protection Selection Guide
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.
Link has been copied to clipboardLow Resistance
Low-rho surface-mount devices provide the same overcurrent protection as larger PolySwitch® solutions while offering a low-resistance PPTC fuse design with ultra-low voltage drop. These compact, low-resistance resettable fuse options fit in data cable connectors and protect circuits in Li-ion batteries, mobile phones, cameras, and LCD/LED displays.
- Available with a wide range of ampere ratings, from 100 mA to 9 A
- Fast-acting performance
- Ultra-low internal resistance
- Ultra-low voltage drop
- Maximum fault current of 50 A
- UL Recognized and TUV-approved
- Certified lead-free, halogen-free, and RoHS compliant
- Miniature size and thin profile save space on PCBs
- Small enough to fit in USB ports and data cable connectors
- Perform as well as large PPTC resettable fuses
- Compatible with high temperature solders and high-volume PCB production
Low Resistance Parts
Link has been copied to clipboard