The SR221K43R is a metal oxide varistor from Walsin with a maximum AC voltage rating of 140V and maximum DC voltage rating of 180V. It features a capacitance of 0.009uF and a clamping voltage of 360V. The varistor can handle a maximum surge current of 40000A. It is designed for bolt down mounting with a terminal pitch of 25.4mm. The SR221K43R is suitable for overvoltage and ESD protection applications.
| RoHS |
Yes |
| Mounting |
Bolt Down |
| Technology |
Metal Oxide |
| Capacitance |
0.009uF |
| RoHS Version |
2011/65/EU, 2015/863 |
| Terminal Pitch |
25.4mm |
| Clamping Current |
300A |
| Clamping Voltage |
360V |
| Varistor Voltage |
242V |
| Max AC Voltage Rating |
140V |
| Max DC Voltage Rating |
180V |
| Maximum Surge Current |
40000A |