1. Weilin WMF21 Series NTC thermistors are used for limiting teh Inrush Current in the power supply loop of every kinds of power supply, ballast /CFL etc. And the heating loop of CRT of Color TV/monitor, heater, filament etc.
2. The WMF21 Series complies with the UL1434, and owns the passport of UL.
3. The WMF21 series NTC thermsitors are the radial leads resin coating type products, it has teh characteristic of small bulk, high power, strong limiting of inrush current, quick response, long life, high reliability, etc.
4. It can be used in Swiching power supply, UPS power supply, CFL, ballast, circuit of power supply etc.