1.Embossed metal domes
2. material: PET
3.rear adhesive 3M467
4.Water-proof dust-proof and gas-proof
Shenzhen Lunfeng Namplate Co., Ltd. is a professional membrane keyboard in Electronic Components & supplies, membrane keyboard is widely used on industrial and home electronic equipments.
Tactile Membrane Keypads in Electronic Components & Supplies specifications/special Features:
Membrane overlay material: matte Polycarbonate (PC) , gloss Polycarbonate (PC) + matte oil, gloss PC, Polyester (PET)
Keyboard Thickness: 0.4---1.0mm
LED windows: transparent and translucent
Embossed switches: no embossed keys and domes, domes without embossed keys, embossed keys without domes, embossed keys and metal domes
Adhesive: 3M9448,3M467,3M468,3M300LSE, Nitto, and no adhesive
Tail: tail with clear mask or green mask
Tactile Membrane Keypads in Electronic Components & Supplies Advantages:
1.Beautiful appearance, rich and bright in color,design can be arbitrary, the products can fully reflect the individual style of the product itself and designer.
2. Panel can wash, good protection of durable color, characters, logos and other panel contents without injury.
3. Small size, light weight, thin thickness, good tactility,abrasion resistant,installation and connection convenience.
4. Tightness is good, moisture-proof, dust-proof, waterproof, anti-oil, anti-corrosion and erosion of harmful gases proof, acid and alkali proof, quakeproof.
5. Low cost, high lifespan, membrane switchs design and manufacture are using the keyboard as a whole way, whether on the material or mold charges, the costs are lowest,the life expectancy of different types of membrane switch is more than 100 million times.
6. Easy to operate, intuitive, safe and reliable,In-house 100% functionally tested,components are guaranteed without any intermittent problem.
7.Customized specification is available and keys can make different shapes.
Tactile Membrane Keypads in Electronic Components & Supplies performance indicators:
1. Electronic characteristics
Circuit rating: 35V (DC), 100mA, 1W
Contact resistance: 10Ω--500Ω (According the trace length and materials to comfirm)
Insulation resistance:> 100MΩ 250V DC
Contact bounce: ≤ 5ms Dielectric withstand:250VRms (50-60Hz 1min)
Life expectancy: flat type ≥ 5 million times, tactile type: ≥ 1 million times
2. Mechanical Properties Actuation force:flat type 57-284g (2-10 Oz), tactile type 170-397g (6-14 Oz) Switch stroke: flat type 0.1-0.5mm, tactile type 0.6-1.5mm
3. Environmental parameters
Operating Temperature: -40 oC- +80oC , Storage temperature: -40oC - +85oC
Humidity: 40oC , 90% -95%, 240 hours
