The Littelfuse Polyswitch is a resettable device that performs like a fuse under overcurrent conditions, but is unique in that it will reset. As soon as an overcurrent condition is reached the Polyswitch heats up to its trip temperature.
- Trip current 0.4A
- Trip time 2.2 sec
- Hold current 0.2A
- Max voltage 72V
- Max current 40A
- Radial leaded package
- Initial resistance 1.83 to 2.75R
- Post-trip resistance 4.4R
- Lead pitch 5.1mm
- Dimensions 7.4mm x 7.6mm x 12.2mm
- UL and TUV approved
Note: Previously manufactured by Raychem.
| Type |
Polyswitch |
| Voltage - Max |
72V |
| Current |
0.2A |
| Package/ Case |
Radial leaded |
| Current - Max |
40A |
| Current - Trip |
0.4A |
| Height |
12.2mm |
| Initial Resistance |
2.75Ω |
| Lead Spacing |
5.1mm |
| Size/ Dimension |
7.4mm |
| Time to Trip |
2.2s |