C&K 8600 Series Microminiature Pushbutton Switches are available with overtravel, normally closed models, microminiature size ideal for applications where space is limited, RoHS compliant.
The C&K 8600 Series microminiature pushbutton switches are designed for applications where space is limited, such as networking equipment, computers, and telecommunications. They offer overtravel detection, RoHS compliance, and a variety of contact materials and terminal options.
The leaflet lists detailed electrical ratings, mechanical dimensions, material constructions, and ordering codes. It also includes RoHS compliance notes and contact/terminal material options for each model (8631, 8632, 8633).
| Contact rating (8631, 8632) | 500 mA @ 120 V AC or 28 V DC; 250 mA @ 250 V AC |
|---|---|
| Contact rating (8633) | 250 mA @ 120 V AC or 28 V DC; 125 mA @ 250 V AC |
| Electrical life (8631, 8633) | 250,000 actuations at full load |
| Electrical life (8632) | 100,000 actuations at full load |
| Contact resistance | Below 30 mΩ typ. initial @ 2‑4 V DC, 100 mA |
| Dielectric strength | 500 Vrms min. @ sea level |
| Operating temperature | -30 °C to 65 °C |
| Solderability | Per MIL‑STD‑202F method 208D, or EIA RS‑186E method 9 |
| Case material | Glass filled phenolic or diallyl phthalate (DAP), UL94V‑0 |
| Plunger material | Glass filled nylon, UL94V‑0, black standard |
| Bushing material | Brass, nickel plated |
| Contact material | Coin silver, silver plated |
| Terminal material | Copper alloy, silver plated |
The 8631 model is rated for 500 mA at 120 V AC or 28 V DC, and 250 mA at 250 V AC.
The switches operate from –30 °C up to 65 °C.
Yes, any models supplied with Q, B or G contact material are RoHS compliant.
The 8632 model has an electrical life of 100,000 actuations at full load.