| PartNumber | MK23-87-C-2 | MK23-87-B-2 | MK23-87-B-4 |
| Description | Proximity Sensors SPST-NO 1 Form A Surf Mnt 10mm | Proximity Sensors SPST-NO 1 Form A Surf Mnt 10mm | Proximity Sensors SPST-NO 1 Form A Slot Mount 10mm |
| Manufacturer | Standex Electronics | Standex Electronics | - |
| Product Category | Proximity Sensors | Proximity Sensors | - |
| RoHS | Y | Y | - |
| Sensing Method | Magnetic | Magnetic | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Maximum Operating Temperature | + 130 C | + 130 C | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Packaging | Reel | Reel | - |
| Description/Function | 1 Form A (SPST NO) | 1 Form A (SPST NO) | - |
| Height | 2 mm | 2 mm | - |
| Length | 10 mm | 10 mm | - |
| Series | MK23 | MK23 | - |
| Width | 2 mm | 2 mm | - |
| Brand | MEDER electronic (Standex) | MEDER electronic (Standex) | - |
| Operating Supply Current | 400 mA | 400 mA | - |
| Operating Supply Voltage | 200 V | 200 V | - |
| Factory Pack Quantity | 2500 | 2500 | - |
| Part # Aliases | 9231871520 | 9231871015 | - |