The Walsin SR781K25DS is a metal oxide varistor with a varistor voltage of 858V and a capacitance of 980pF. It has a maximum AC voltage rating of 485V and a maximum DC voltage rating of 640V. The device can withstand a maximum surge current of 18000A and a clamping current of 100mA at a clamping voltage of 1290V. It is designed for through hole mounting with a terminal pitch of 12.7mm and is suitable for use in overvoltage and ESD protection applications.
| RoHS |
Yes |
| Mounting |
Through Hole |
| Technology |
Metal Oxide |
| Capacitance |
980pF |
| RoHS Version |
2011/65/EU, 2015/863 |
| Terminal Pitch |
12.7mm |
| Clamping Current |
100A |
| Clamping Voltage |
1290V |
| Varistor Voltage |
858V |
| Max AC Voltage Rating |
485V |
| Max DC Voltage Rating |
640V |
| Maximum Surge Current |
18000A |