TKM MEMBRANE TECHNOLOGY LTD.
Foundation Industries MFG.LTD Live by quality, develop by innnovation. FOUNDATION, your best membrane switch supplier in China.
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Thin Film Metal Dome LED Membrane Switch 4 Key With 8 Pin Female Tin Connector
Quick Detail:
| Operating Temperature | -40—70(C°) | Operating Voltage | ≤50(V) |
| Rated Current | 0-30V DC | Contact resistance | 0.5-10( Ω) |
| Insulation Resistance | ≤50(Ω) | Key operation force | 15-750g |
| Dome springback time | ≤5(ms) | Substrate voltage | 1500VDC |
Description & Competitive Advantage:
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. Low cost,high lifespan,membrane switch's 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 100million times.
5. Easy to operate,intuitive,safe and reliable,In-house 100% functionally tested,components are guaranteed without any intermittent problem.
6. Customized specification is available and keys can make different shapes
Applications:
Products are widely used in communication, industrial control, household appliances, GPS, children's kid-learning, electronic reading machine, various game machines, Instruments and Apparatuses, attendance machine,
Electronic scale, medical equipment, electronic tools equipment, automatic sewing machine,
Embroidery Machine, Machine Maintenance equipment, computer keyboard and electronic calculators and etc.
Technical Specification Of Membrane Switch
| wire lead resistance: | ＜1Ω/CM | Life time: | >1 Million times |
| rated current: | 25-100mA,0～30V DC | Operation Temperature: | -40℃～70℃ |
| Rated Voltage: | ＜50V, DC | Operation Humidity: | at40℃,＜98%RH |
| Insulation resistance: | ＜100MΩ,250V DC | Dome springback time: | ＜5 msec |
| Switch travel: | Flat Type 0.05-0.3mm | Base Material voltage withstand: | 1500 V DC |
| tactile type:0.3-1.5mm | Tail flexiblility: | any angle within 180 degree |
Materials:
1. Overlay: 0.008” AUTOTEX XE Polyester.
2. Graphic adhesive: 3M#7952
3. Top circuit: .005” Mylar
4. Insulator: .011” 2-sided adhesive (3M#7961 or equivalent)
5. Bottom circuit: .005” Mylar
6. Rear adhesive: 3M#467
7. Gasket
