The Walsin VZ40D681K is a metal oxide varistor with a varistor voltage of 748V, maximum AC voltage rating of 420V, and maximum DC voltage rating of 560V. It has a capacitance of 0.003uF and a clamping voltage of 1120V. The device is designed to handle a maximum surge current of 40000A and is mounted through a hole with a terminal pitch of 25.4mm. Operating temperatures are not specified, but the device is suitable for overvoltage and ESD protection applications.
| RoHS |
Yes |
| Mounting |
Through Hole |
| Capacitance |
0.003uF |
| RoHS Version |
2011/65/EU, 2015/863 |
| Terminal Pitch |
25.4mm |
| Clamping Current |
300A |
| Clamping Voltage |
1120V |
| Varistor Voltage |
748V |
| Max AC Voltage Rating |
420V |
| Max DC Voltage Rating |
560V |
| Maximum Surge Current |
40000A |