Technical Specifications
Parameters and characteristics for this part
| Specification | KMR421GULCLFS |
|---|---|
| Actuator Height off PCB, Vertical [z] | 2.5 mm |
| Actuator Orientation | Top Actuated |
| Actuator Type | Standard |
| Circuit | SPST-NO |
| Contact Rating @ Voltage | 0.05 A |
| Features | Grounding Pin |
| Illumination | Non-Illuminated |
| Mechanical Life | 200000 Cycles |
| Mounting Type | Surface Mount |
| Operating Force | 200 gf |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Outline [x] | 4.6 mm |
| Outline [y] | 2.8 mm |
| Switch Function | Off-Mom |
| Switch Travel | 0.25 mm |
| Termination Style | Gull Wing |
Kmr40 Series Series
Microminiature SMT Top Actuated
| Part | Actuator Height off PCB, Vertical [z] | Features | Actuator Type | Switch Function | Mechanical Life | Circuit | Actuator Orientation | Operating Force | Switch Travel | Outline [x] | Outline [y] | Operating Temperature [Max] | Operating Temperature [Min] | Mounting Type | Illumination | Termination Style | Contact Rating @ Voltage | Switch Travel [custom] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Littelfuse/Commercial Vehicle Products | 2.5 mm | Grounding Pin | Standard | Off-Mom | 200000 Cycles | SPST-NO | Top Actuated | 400 gf | 0.35 mm | 4.6 mm | 2.8 mm | 85 °C | -40 °C | Surface Mount | Non-Illuminated | Gull Wing | 0.05 A | |
 Littelfuse/Commercial Vehicle Products | 2.5 mm | Grounding Pin | Standard | Off-Mom | 200000 Cycles | SPST-NO | Top Actuated | 200 gf | 0.25 mm | 4.6 mm | 2.8 mm | 85 °C | -40 °C | Surface Mount | Non-Illuminated | Gull Wing | 0.05 A | |
Littelfuse/Commercial Vehicle Products | 2.5 mm | Grounding Pin | Standard | Off-Mom | 200000 Cycles | SPST-NO | Top Actuated | 200 gf | 0.25 mm | 4.6 mm | 2.8 mm | 85 °C | -40 °C | Surface Mount | Non-Illuminated | Gull Wing | 0.05 A | |
 Littelfuse/Commercial Vehicle Products | ||||||||||||||||||
 Littelfuse/Commercial Vehicle Products | 2.5 mm | Standard | Off-Mom | 200000 Cycles | SPST-NO | Top Actuated | 200 gf | 0.25 mm | 4.6 mm | 2.8 mm | 85 °C | -40 °C | Surface Mount | Non-Illuminated | Gull Wing | 0.05 A | ||
 Littelfuse/Commercial Vehicle Products | 2.5 mm | Standard | Off-Mom | 300000 Cycles | SPST-NO | Top Actuated | 300 gf | 4.6 mm | 2.8 mm | 85 °C | -40 °C | Surface Mount | Non-Illuminated | Gull Wing | 0.01 A 32 VDC | 0.3 mm | ||
Littelfuse/Commercial Vehicle Products | 2.5 mm | Grounding Pin | Standard | Off-Mom | 150000 Cycles | SPST-NO | Top Actuated | 300 gf | 4.6 mm | 2.8 mm | 85 °C | -40 °C | Surface Mount | Non-Illuminated | Gull Wing | 0.05 A | 0.3 mm | |
Littelfuse/Commercial Vehicle Products | 2.5 mm | Standard | Off-Mom | 200000 Cycles | SPST-NO | Top Actuated | 400 gf | 0.35 mm | 4.6 mm | 2.8 mm | 85 °C | -40 °C | Surface Mount | Non-Illuminated | Gull Wing | 0.05 A | ||
Littelfuse/Commercial Vehicle Products | 2.5 mm | Standard | Off-Mom | 150000 Cycles | SPST-NO | Top Actuated | 300 gf | 4.6 mm | 2.8 mm | 85 °C | -40 °C | Surface Mount | Non-Illuminated | Gull Wing | 0.05 A | 0.3 mm | ||
Littelfuse/Commercial Vehicle Products | 2.5 mm | Grounding Pin | Standard | Off-Mom | 300000 Cycles | SPST-NO | Top Actuated | 300 gf | 4.6 mm | 2.8 mm | 85 °C | -40 °C | Surface Mount | Non-Illuminated | Gull Wing | 0.01 A 32 VDC | 0.3 mm |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 0.67 | |
| 10 | $ 0.65 | |||
| 25 | $ 0.62 | |||
| 100 | $ 0.54 | |||
| 250 | $ 0.49 | |||
| 500 | $ 0.46 | |||
| 1000 | $ 0.41 | |||
| 2500 | $ 0.39 | |||
| Digi-Reel® | 1 | $ 0.67 | ||
| 10 | $ 0.65 | |||
| 25 | $ 0.62 | |||
| 100 | $ 0.54 | |||
| 250 | $ 0.49 | |||
| 500 | $ 0.46 | |||
| 1000 | $ 0.41 | |||
| 2500 | $ 0.39 | |||
| Tape & Reel (TR) | 6000 | $ 0.36 | ||
| 12000 | $ 0.33 | |||
Description
General part information
Kmr40 Series Series
The KMR4 series microminiature SMT top actuated switch from C&K has ultra-low current capabilities and is ideal for industrial, medical and automotive applications. It is a long-lasting switch with an excellent tactile feel, even when used in the harshest environments.
Documents
Technical documentation and resources