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Tyco Electronics' 2.3 A PolyZen devices feature a higher hold current designed to help protect circuits in GPS, smart phones, game consoles, PMPs, and other video-based peripherals that can be charged in the car. The devices incorporate a stable Zener diode for precise voltage clamping and a resistively non-linear, PPTC layer that responds to either diode heating or overcurrent events by transitioning from a low to high resistance state. In addition, the devices help provide coordinated protection with a component that protects like a Zener diode, but is capable of withstanding very high power fault conditions without requiring any special heat sinking structures beyond normal printed circuit board traces. By clamping and smoothing inductive voltage spikes, PolyZen devices help shield downstream electronics from overvoltage and reverse bias. Additionally, their high power absorption capability protects against faults that occur when using an incorrect or misconnected power supply. The 2.3A PolyZen devices are capable of withstanding the high inrush currents and faults associated with the new technology, and are available in a small form factor that is suitable for PMPs.

www.tycoelectronics.com
650-361-2175


Tyco Electronics Circuit Protection Products
308 Constitution Dr, MS R21/2A
Menlo Park, CA, 94025