POLY-FUSE® Resettable PTCs LoRho Surface Mount Series

Part Number Information
Part #: Price/Availability:
1206L300SLWR Buy Now
1206L350SLWR Buy Now
1210L200SLYR Buy Now

Littelfuse has released new offerings in the ultra low internal resistance (LoRho) resettable fuse line. This includes the smallest size of such product in the market today. In addition to the ultra low resistance, this product also provides minimal voltage drop and power dissipation for your applications. The LoRho product also allows a higher hold current in a smaller form factor and thinner height profile than a standard PPTC. This product is perfect for any Li-ion battery applications as the lower resistance will yield a significant increase in battery life.


• Ultra low internal resistance
• Very thin profile
• Miniature size saves board space
• Allows a higher hold current dvice in a smaller factor and lower profile as compared to a standard PPTC
• Fast response to fault currents
• 0402 size available - the smallest PPTC in the marketCompatible with high temperature solders


• USB peripherals including new USB 3.0 / 2.0 ports
• Li-ion / Li-Polymer battery packs
• Smart phones
• Computer periperals
• Digital cameras and video cameras
• Hard disk drives
• Game consoles