Shenzhen Tongchuangfa Electronics Co., Ltd (TCF) was founded in 2003, which specializes in designing and manufacturing membrane switches, graphic overlays and other related electronic components. TCF has a first-rank R&D team, its manufacturing capabilities and technology now is leading position in this field. We dedicate to produce high precision &quality products, and continuously introduce Hi-tech facilities and technology from abroad. In 2005, The Company became to be capable to produce or assemble FPC, PCB, silicone rubber & plastic, and hardware components, the products are widely used in areas of communications, instrumentations, household appliances, medical equipments, digital-controls and toys etc… At TCF, we manufacture complete line of membrane switches, our experienced design team are ready to work with you to design membrane switches to meet your unique needs of your project.
1) Graphic overlay with or without embossing.
2) Tactile with metal dome or polydome or non-tactile
3) Embedded LED or other surface mount components.
4) Waterproof or UV resistant.
5) Electroluminescent backlighting.
6) ESD shielding (Aluminum foil or whole layer with silver and carbon coated).
7) Tail with or without connector (male or female pin).Performance indicators:
1. Circuit rating: 35V (DC), 100mA, 1W
2. Contact resistance: 10Ω --500Ω (According the trace length and materials to comfirm)
3. Insulation resistance: > 100MΩ 250V DC
4. Contact bounce: ≤ 5ms Dielectric withstand: 250VRms (50-60Hz 1min)
5. Life expectancy: Flat type ≥ 500 million times, tactile type: ≥ 100 million times
6. 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
7. Operating Temperature: -40 C - +80 C, Storage temperature: -40 C - +85 C Humidity: 40 C, 90% -95%, 240 hours