| PartNumber | 1977737-2 | 1977737-1 | 1977737-4 |
| Description | Pushbutton Switches MPS1004F PSHBTN 0.4VA SPDT MMN | Pushbutton Switches MPS1004D PSHBTTN 0.4VA SPDT | SWITCH PUSH DPDT 0.06A 30V |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Pushbutton Switches | Pushbutton Switches | - |
| Illuminated | Non-Illuminated | Non-Illuminated | - |
| Lamp Type | - | - | - |
| Contact Form | SPDT | SPDT | - |
| Switch Function | ON - (ON) | ON - ON | - |
| Current Rating | 400 mA | 400 mA | - |
| Termination Style | Solder Lug | Solder Lug | - |
| Actuator | Without Cap | Without Cap | - |
| Brand | TE Connectivity | TE Connectivity | - |
| Actuator Style | Without Cap | Without Cap | - |
| Product Type | Pushbutton Switches | Pushbutton Switches | - |
| Factory Pack Quantity | 25 | 25 | - |
| Subcategory | Switches | Switches | - |
| Part # Aliases | 1977737-2 | 1977737-1 | - |