| PartNumber | MDSM-4R-22-33 | MDSM-4R-22-38 | MDSM-4R-27-33 |
| Description | Magnetic / Reed Switches MDSM-4R 22-33 | Magnetic / Reed Switches | Magnetic / Reed Switches MDSM-4R 5277 27-33 |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Magnetic / Reed Switches | Magnetic / Reed Switches | Magnetic / Reed Switches |
| RoHS | Y | Y | Y |
| Switch Type | Sub-Miniature | - | Sub-Miniature |
| Contact Form | SPST | - | SPST |
| Operate Range | 22 AT to 33 AT | - | 27 AT to 33 AT |
| Voltage Rating AC | 140 VAC | - | 140 VAC |
| Color | Clear | - | Clear |
| Termination Style | Axial | Axial | Axial |
| Packaging | Bulk | Reel | Bulk |
| Contact Position | Normally Open | - | Normally Open |
| Illumination Color | - | - | - |
| Mounting | SMD/SMT | - | SMD/SMT |
| Series | MDSM-4 | MDSM-4 | MDSM-4 |
| Brand | Hamlin / Littelfuse | Hamlin / Littelfuse | Hamlin / Littelfuse |
| Illuminated | Non-Illuminated | Non-Illuminated | Non-Illuminated |
| Lamp Type | - | - | - |
| Product Type | Reed Switches | Reed Switches | Reed Switches |
| Factory Pack Quantity | 3000 | 3000 | 3000 |
| Subcategory | Switches | Switches | Switches |