The SR 511K14DS40F is a metal oxide varistor from Walsin, designed for overvoltage and ESD protection. It features a maximum AC voltage rating of 320V and a maximum DC voltage rating of 420V. The varistor has a capacitance of 530pF and a clamping voltage of 840V. It can handle a maximum surge current of 4500A and operates within a temperature range of -55°C to 85°C. The device is available in a through-hole package with a terminal pitch of 7.5mm.
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| Varistor Voltage | 561V |
| Max AC Voltage Rating | 320V |
| Max DC Voltage Rating | 420V |
| Capacitance | 530pF |
| Clamping Voltage | 840V |
| Clamping Current | 50A |
| Maximum Surge Current | 4500A |
| Min Operating Temperature | -55°C |
| Max Operating Temperature | 85°C |
| Technology | Metal Oxide |
| Mounting | Through Hole |
| Terminal Pitch | 7.5mm |
| RoHS | Yes |
| RoHS Version | 2011/65/EU, 2015/863 |
