C series metal domes
C-series metal domes(snap domes) are the most common tactile dome switches, mainly used in the mobile phone, Mp3, Mp4, digital cameras and membrane switches.
The materials of metal domes are general divided into two kinds: stainless steel and phosphor bronze(contact side is silver). Because of its structure is more regular, the product affected by the punching process is relatively small, so life can to be one million times.
They are designed to be pushed past flat by .005”. This over-travel allows the C-Series metal domes(snap domes) to reach a contact area below the plane where the outer rim of the dome rests. It can be used anywhere a momentary switch with tactile feedback is required, while still achieving impressive actuation life cycles.
According to there is dimple or not, we divide the C-series into three items:
1. NC-series: no dimples
2. DC-series: with one center dimple
3. SDC-series: with several dimples
The metal domes(snap domes) with dimple can increase the contact area and enhance the stability of metal domes. So most customers to choose with dimple.
If you have the inquiry of the C-series metal domes, please contact us anytime, we are glad to be at your service.
Metal Dome Specifications:
1.Materail: SUS301, SUS304
2.Plating: Nickel Pating, Silver Plating, Gold Plating
3.Diameter: 3mm, 4mm, 4.5mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm,16mm.
4.Actuation Force: 100g,130g,160g, 180g, 200g, 250g, 280g, 300g, 350g, 400g.
5.Contact resistance: ＜100 ohms; with Nickel, silver & gold plating ＜ 10 ohm.
6.Operating & Storage Temperature: -55℃ to 85 ℃.