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.