The Walsin SR 561K25DS40F is a metal oxide varistor with a varistor voltage of 638V and a capacitance of 0.0012uF. It has a maximum AC voltage rating of 360V and a maximum DC voltage rating of 470V. The device is designed to protect against overvoltage and ESD events, with a clamping voltage of 910V and a clamping current of 100mA. It can handle a maximum surge current of 18A. The varistor operates over a temperature range of -55°C to 85°C and is suitable for through-hole mounting.
| RoHS |
Yes |
| Mounting |
Through Hole |
| Technology |
Metal Oxide |
| Capacitance |
0.0012uF |
| RoHS Version |
2011/65/EU, 2015/863 |
| Terminal Pitch |
12.7mm |
| Clamping Current |
100A |
| Clamping Voltage |
910V |
| Varistor Voltage |
638V |
| Max AC Voltage Rating |
360V |
| Max DC Voltage Rating |
470V |
| Maximum Surge Current |
18000A |
| Max Operating Temperature |
85°C |
| Min Operating Temperature |
-55°C |