The Stackpole Electronics ZV 17 K 0805 121 R1 is a 27V metal oxide varistor with a maximum AC voltage rating of 17V and maximum DC voltage rating of 22V. It has a capacitance of 340pF and a clamping voltage of 44V. The varistor can handle a maximum surge current of 120A and operates between -55°C and 125°C. It is a multilayer device with a surface mount package and size code 0805.
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| Varistor Voltage | 27V |
| Max AC Voltage Rating | 17V |
| Max DC Voltage Rating | 22V |
| Capacitance | 340pF |
| Clamping Voltage | 44V |
| Clamping Current | 1A |
| Maximum Surge Current | 120A |
| Min Operating Temperature | -55°C |
| Max Operating Temperature | 125°C |
| Technology | Multilayer |
| Mounting | Surface Mount |
| Size Code | 0805 |
| RoHS | Yes |
| RoHS Version | 2011/65/EU, 2015/863 |