The CNR-18D681K is a metal oxide varistor from Centra Science, rated for 680V varistor voltage and 420V AC maximum voltage rating. It can withstand 560V DC and has a capacitance of 500pF. The device is designed to operate between -40°C and 85°C and features a clamping voltage of 1120V and a maximum surge current of 6500A. It is available in a through-hole package with a terminal pitch of 7.5mm.
| RoHS |
Yes |
| Mounting |
Through Hole |
| Technology |
Metal Oxide |
| Capacitance |
500pF |
| RoHS Version |
2011/65/EU, 2015/863 |
| Terminal Pitch |
7.5mm |
| Clamping Current |
75A |
| Clamping Voltage |
1120V |
| Varistor Voltage |
680V |
| Max AC Voltage Rating |
420V |
| Max DC Voltage Rating |
560V |
| Maximum Surge Current |
6500A |
| Max Operating Temperature |
85°C |
| Min Operating Temperature |
-40°C |