Hybrid protection devices targets STBs, HDDs, power ports

The PolyZen YC device series offers an integrated approach to protect consumer electronics, such as tablets, set-top boxes, hard disk drives and dc power ports, from damage caused by ESD and other electrical over-stress events. The new PolyZen ZEN056V230A16YC and ZEN056V260A16YC devices combine a precision Zener diode and a resettable PolySwitch PPTC (polymer positive temperature coefficient) device in a 4.0 x 5.0 x 1.2-mm package.

The PolyZen device’s Zener diode is thermally connected to the PPTC device to enable rapid heat transfer, which in turn increases the PPTC device’s reaction time. As a result, a single hybrid PolyZen YC device is able to simultaneously protect against damage from over-voltage, overcurrent, reverse-bias, ESD and overtemperature events more effectively than solutions using multiple discrete devices. The devices offer up to 2.6-A hold-current at room temperature. They also provide high-performance ESD protection (±30 kV) and overvoltage protection (8/20 μs pulse at 150 A).