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 2.2A
- Trip time 8.2 sec
- Hold current 1.1A
- Max voltage 72V
- Max current 40A
- Radial leaded package
- Initial resistance 0.15 to 0.25R
- Post-trip resistance 0.38R
- Lead pitch 5.1mm
- Dimensions 13.0mm x 7.6mm x 18.0mm
- UL and TUV approved
Note: Previously manufactured by Raychem.
| Type |
Polyswitch |
| Voltage - Max |
72V |
| Current |
1.1A |
| Package/ Case |
Radial leaded |
| Current - Max |
40A |
| Current - Trip |
2.2A |
| Height |
18mm |
| Initial Resistance |
0.25Ω |
| Lead Spacing |
5.1mm |
| Size/ Dimension |
13mm |
| Time to Trip |
8.2s |