The Walsin SR 391K20DS40F is a metal oxide varistor with a varistor voltage of 429V, suitable for withstanding a maximum AC voltage rating of 250V and a maximum DC voltage rating of 330V. It features a capacitance of 0.00121uF and a clamping voltage of 650V, with a clamping current of 100A and a maximum surge current of 6500A. The varistor operates within a temperature range of -55°C to 85°C and is mounted through a hole with a terminal pitch of 10mm.
| RoHS |
Yes |
| Mounting |
Through Hole |
| Technology |
Metal Oxide |
| Capacitance |
0.00121uF |
| RoHS Version |
2011/65/EU, 2015/863 |
| Terminal Pitch |
10mm |
| Clamping Current |
100A |
| Clamping Voltage |
650V |
| Varistor Voltage |
429V |
| Max AC Voltage Rating |
250V |
| Max DC Voltage Rating |
330V |
| Maximum Surge Current |
6500A |
| Max Operating Temperature |
85°C |
| Min Operating Temperature |
-55°C |