Passive Components


SMD PTC thermistors for power line voltages

23 August 2006 Passive Components

Epcos has extended the SMD PTC series for overcurrent protection and now offers a chip PTC for maximum voltages up to 265 V for the first time. With a 1210 package, this PTC can handle rated currents of up to 15 mA. This current represents its limiting point. Higher rated currents are achieved by parallel connection of several PTC thermistors.

This product complements the company's successful series of the same type that was previously restricted to maximum voltages of 80 V. With this new product, Epcos satisfies the requirement for an SMD solution that can handle power line voltages. This PTC is thus suited for primary-side applications. Another conceivable application is secondary-side overcurrent protection in the event of accidental contact with the power line.



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