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| Part Number | T81N5D312-24 | T81N5D312-24 | T81N5D312-12 | T81N5D312-05 |
| Manufacturer | TE Connectivity Potter & Brumfield Relays | TE Connectivity Potter & Brumfield Relays | TE Connectivity Potter & Brumfield Relays | TE Connectivity Potter & Brumfield Relays |
| Series | T81 | T81 | T81 | T81 |
| Packaging | Tube | Tube | Tube | Tube |
| Product Status | Obsolete | Active | Obsolete | Obsolete |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Coil Voltage | 24VDC | 24VDC | 12VDC | 5VDC |
| Contact Form | SPDT (1 Form C) | SPDT (1 Form C) | SPDT (1 Form C) | SPDT (1 Form C) |
| Contact Rating (Current) | 1 A | 1 A | 1 A | 1 A |
| Switching Voltage | 125VAC, 60VDC - Max | 125VAC, 60VDC - Max | 125VAC, 60VDC - Max | 125VAC, 60VDC - Max |
| Load - Max Switching | 125VA, 60W | - | 125VA, 60W | 125VA, 60W |
| Coil Current | 18.8 mA | 18.8 mA | 37.5 mA | 90.9 mA |
| Coil Type | Non Latching | Non Latching | Non Latching | Non Latching |
| Features | - | - | - | - |
| Termination Style | PC Pin | PC Pin | PC Pin | PC Pin |
| Seal Rating | - | - | - | - |
| Coil Insulation | - | - | - | - |
| Must Operate Voltage | 16.8 VDC | 16.8 VDC | 8.4 VDC | 3.5 VDC |
| Must Release Voltage | 1.2 VDC | 1.2 VDC | 0.6 VDC | 0.25 VDC |
| Operate Time | 5 ms | 5 ms | 5 ms | 5 ms |
| Release Time | 7 ms | 7 ms | 7 ms | 7 ms |
| Operating Temperature | -30°C ~ 60°C | -30°C ~ 60°C | -30°C ~ 60°C | -30°C ~ 60°C |
| Contact Material | Silver Palladium (AgPd), Gold (Au) | Silver Palladium (AgPd), Gold (Au) | Silver Palladium (AgPd), Gold (Au) | Silver Palladium (AgPd), Gold (Au) |
| Relay Type | Telecom | Telecom | Telecom | Telecom |
| Grade | - | - | - | - |
| Qualification | - | - | - | - |
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