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| PartNumber | 1820-1019 | 1820-10-A1 | 1820-10-A3 |
| Description | Surge Suppressors SIGNAL AND DATALINE PROTECTOR | Surge Suppressors L/L 10vdc L/G 10vdc DIN-3 Clamp | |
| Manufacturer | - | Bourns | Bourns |
| Product Category | - | Surge Suppression ICs | Surge Suppression ICs |
| Product | - | Industrial Protection Devices | Industrial Protection Devices |
| Type | - | Signal and Data Line | Signal and Data Line |
| Current Rating | - | 220 mA | 220 mA |
| For Use With | - | RS422 | RS422 |
| Termination Style | - | Screw | Screw |
| Voltage Rating | - | 21 V | 21 V |
| Mounting | - | DIN Rail | DIN Rail |
| Operating Temperature Range | - | - 40 C to + 60 C | - 40 C to + 60 C |
| Package Case | - | TS-32 | TS-35 |
| Data Line Protection | - | RS422 | RS422 |
| Series | - | - | 1820 |
| Capacitance | - | - | 3300 pF |