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| PartNumber | B3U-3100PM-B | B3U-3100PM | B3U-3100PMCHN |
| Description | Tactile Switches Tactile SideActuated Ground Term w/Boss | Tactile Switches Tactile SideActuated Ground Term NO Boss | Manual Switches |
| Manufacturer | Omron | Omron | - |
| Product Category | Tactile Switches | Tactile Switches | - |
| RoHS | Y | Y | - |
| Illuminated | Non-Illuminated | Non-Illuminated | - |
| Illumination Color | - | - | - |
| Lamp Type | - | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Mounting Direction | Straight | Right Angle | - |
| Operating Force | 1.6 N | 1.59 N | - |
| Current Rating | 50 mA | 50 mA | - |
| Voltage Rating DC | 12 VDC | 12 VDC | - |
| Voltage Rating AC | - | - | - |
| Ground Terminal | Yes | Yes | - |
| Termination Style | Gull Wing Lead | Gull Wing Lead | - |
| Series | B3U | B3U | - |
| Packaging | Reel | Reel | - |
| Brand | Omron Electronics | Omron Electronics | - |
| Product Type | Tactile Switches | Tactile Switches | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | Switches | Switches | - |
| Part # Aliases | B3U-3100PM-B B3U3100PMB B3U3100PMBCHN CHN | B3U-3100PM B3U3100PM B3U3100PMCHN CHN | - |
| Unit Weight | 0.000776 oz | 0.000776 oz | - |
| Actuator | - | Rectangular | - |
| Contact Form | - | SPST | - |
| Length | - | 3 mm | - |
| Width | - | 2.5 mm | - |
| Height | - | 1.2 mm | - |
| Maximum Operating Temperature | - | + 70 C | - |
| Minimum Operating Temperature | - | - 25 C | - |