Rutronik stocking resettable PPTC devices with fast Overcurrent Protection from Littelfuse

The new PPTC (Polymer Positive Temperature Coefficient) resistor series from Littlefuse is able to provide ultra-low internal resistance, ultra-low voltage drop and minimal power dissipation making them suitable for high speed overcurrent protection. The PPTC devices are now available at distributor Rutronik.

Littelfuse LoRho PPTC devices offer overcurrent protection against fault current surges by limiting the electrical current flowing through it. By resetting automatically, this device provides a low maintenance alternative to one-time fuses for overcurrent protection and the fast response to fault currents guarantees secure protection for sensitive electronic products. Littelfuse LoRho SMD PPTCs are half as thick as conventional SMD PPTCs and have up to more than 60% lower internal resistance.

The PPTCs are available in sizes as small as 0402. The devices offer the broadest range of hold current ratings (100mA to 7A) currently available and they offer high design flexibility, making it easy to design in the most suitable device for the application. With their very thin height profile, the series can be used in compact portable electronics.

Besides the overcurrent protection, the devices are qualified for applications in handheld electronics (e.g. smartphones or digital cameras), computers and peripherals, gaming consoles and accessories.


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