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| PartNumber | 1977738-3 | 1977738-1 | 1977738-4 |
| Description | Pushbutton Switches MPS2004NPC PSHBTN 0.4VA DPDT | Pushbutton Switches MPS1004DPC PSHBTN 0.4VA SPDT | Pushbutton Switches MPS2004RPC PSHBTN 0.4VA DPDT M |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Pushbutton Switches | Pushbutton Switches | Pushbutton Switches |
| Illuminated | Non-Illuminated | Non-Illuminated | Non-Illuminated |
| Lamp Type | - | - | - |
| Contact Form | DPDT | SPDT | DPDT |
| Switch Function | ON - ON | ON - ON | ON - (ON) |
| Current Rating | 400 mA | 400 mA | 400 mA |
| Termination Style | Solder Pin | Solder Pin | Solder Pin |
| Actuator | Without Cap | Without Cap | Without Cap |
| Brand | TE Connectivity | TE Connectivity | TE Connectivity |
| Actuator Style | Without Cap | Without Cap | Without Cap |
| Product Type | Pushbutton Switches | Pushbutton Switches | Pushbutton Switches |
| Factory Pack Quantity | 25 | 25 | 25 |
| Subcategory | Switches | Switches | Switches |
| Part # Aliases | 1977738-3 | 1977738-1 | 1977738-4 |
