The CNR-20D821K is a metal oxide varistor from Centra Science, designed for overvoltage and ESD protection. It has a varistor voltage of 820V and a capacitance of 500pF. The device can withstand a maximum AC voltage rating of 510V and a maximum DC voltage rating of 670V. It operates within a temperature range of -40 to 85°C. The varistor is mounted through a hole and has a terminal pitch of 11mm.
| RoHS |
Yes |
| Mounting |
Through Hole |
| Technology |
Metal Oxide |
| Capacitance |
500pF |
| RoHS Version |
2011/65/EU, 2015/863 |
| Terminal Pitch |
11mm |
| Clamping Current |
100A |
| Clamping Voltage |
1355V |
| Varistor Voltage |
820V |
| Max AC Voltage Rating |
510V |
| Max DC Voltage Rating |
670V |
| Maximum Surge Current |
6500A |
| Max Operating Temperature |
85°C |
| Min Operating Temperature |
-40°C |