The CNR-14D821K is a metal oxide varistor from Centra Science, suitable for overvoltage and ESD protection. It features a varistor voltage of 820V, with maximum AC and DC voltage ratings of 510V and 670V, respectively. The device has a capacitance of 330pF and a clamping voltage of 1355V, with a maximum surge current of 4500A. Operating temperature range is -40 to 85 degrees Celsius, and it is available in a through-hole package with a terminal pitch of 7.5mm.
| RoHS |
Yes |
| Mounting |
Through Hole |
| Technology |
Metal Oxide |
| Capacitance |
330pF |
| RoHS Version |
2011/65/EU, 2015/863 |
| Terminal Pitch |
7.5mm |
| Clamping Current |
50A |
| Clamping Voltage |
1355V |
| Varistor Voltage |
820V |
| Max AC Voltage Rating |
510V |
| Max DC Voltage Rating |
670V |
| Maximum Surge Current |
4500A |
| Max Operating Temperature |
85°C |
| Min Operating Temperature |
-40°C |