1. Compact and light design as well as excellent thermal response.
2. Contactless operation provides a prolonged service life, yet permits noiseless operation.
3. The operating point of "POSISTOR" is set on the steepest point along the resistance-temperature
characteristic curve, thus performing the overheat protective operation securely.
4. PTFM Series and PTFL Series have same resistance-temperature characteristic, providing a selection depending on the mounting method.