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| Part Number | V321HA40 |
| Datasheet | V321HA40 datasheet |
| Description | VARISTOR 510V 40KA DISC 40MM |
| Manufacturer | Littelfuse Inc. |
| Series | HA |
| Part Status | Active |
| Maximum AC Volts | 320V |
| Maximum DC Volts | 420V |
| Varistor Voltage (Min) | 459V |
| Varistor Voltage (Typ) | 510V |
| Varistor Voltage (Max) | 561V |
| Current - Surge | 40kA |
| Energy | 460J |
| Number of Circuits | 1 |
| Capacitance @ Frequency | 3800pF @ 1MHz |
| Operating Temperature | -55°C ~ 85°C (TA) |
| Features | - |
| Mounting Type | Bolt Mount |
| Package / Case | Disc 40mm, Formed Tabs |