Series CL20 offer an alternative to fixed resistors and is optimized for inrush current limiting in heater applications, precharge and degaussing circuits, and overcurrent protection. The PTC thermistors deliver voltage ratings up to 1200 VDC and maximum energy ratings to 600 J. The devices offer five resistance values at 77°F (25°C) from 7 to 100 W to accommodate a range of precharge times. These resistance values remain unchanged over the operating temperature range of -40 to 230°F (-40 to 110°C). The thermistors provides stability and reliability in high voltage applications. They can withstand hundreds of hits of maximum inrush current without degrading, according to the manufacturer.
Ametherm
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