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| PartNumber | KMR221G | KMR221GLFS | KMR221G LFS |
| Description | SWITCH TACTILE SPST-NO 0.05A 32V | Tactile Switches SPST Rnd Bttn Gull .05A 32VDC 1W SMD | |
| Manufacturer | C&K | C&K | C&K |
| Product Category | Tactile Switches | IC Chips | Tactile Switches |
| Series | KMR2 | KMR2 | KMR2 |
| Packaging | Reel | Digi-ReelR Alternate Packaging | Reel |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Current Rating | 50 mA | - | 50 mA |
| Termination Style | Gull Wing Lead | Gull Wing | Gull Wing Lead |
| Operating Temperature Range | - 40 C to + 125 C | - | - 40 C to + 125 C |
| Height | 1.9 mm | - | 1.9 mm |
| Length | 4.6 mm | - | 4.6 mm |
| Width | 2.8 mm | - | 2.8 mm |
| Contact Form | SPST | - | SPST |
| Switch Function | OFF - (ON) | Off-Mom | OFF - (ON) |
| Operating Force | 2 N | 200gf | 2 N |
| Voltage Rating DC | 32 VDC | - | 32 VDC |
| Contact Plating | Silver | - | Silver |
| Power Rating | 1 VA | - | 1 VA |
| Actuator | Oval | - | Oval |
| Ground Terminal | Yes | - | Yes |
| Mounting Type | - | Surface Mount | - |
| Features | - | Grounding Pin | - |
| Ingress Protection | - | - | - |
| Circuit | - | SPST-NO | - |
| Actuator Type | - | Standard | - |
| Illumination | - | Non-Illuminated | - |
| Illumination Voltage Nominal | - | - | - |
| Contact Rating Voltage | - | 0.05A @ 32VDC | - |
| Illumination Type Color | - | - | - |
| Actuator Height off PCB from Pins | - | 1.90mm | - |
| Actuator Orientation | - | Top Actuated | - |
| Outline | - | 4.60mm x 2.80mm | - |