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Brand Name : Lunfeng
Model Number : LFZDX042
Certification : ISO9001:2015
Place of Origin : Shenzhen, China
MOQ : 1 piece
Price : Negotiable
Payment Terms : T/T, Western Union
Supply Ability : 500000 Piece/Pieces per Month
Delivery Time : 7-25 working days, To be negotiated
Packaging Details : First put into a polybag, then paked into a carton. According to clients' special requirements.
Product name : Custom PET Waterproof Membrane Switch Tactile Keypad ZIF End
ColorS : Pantone/ RAL color, white, black, blue
Material : PET, Polyester(PET),
Rear adhesive : 3M adhesive 3M467 3M468
Feature : metal domes, matte surface, silver circuit
Connector : 2.54mm Pitch ZIF connector
Key : Embossed keys, embossing buttons
Type : NO Leds, NO LCD window
Custom PET Waterproof Membrane Switch Tactile Keypad ZIF End
A membrane keyboard is a computer keyboard whose "keys" are not separate, moving parts, as with the majority of other keyboards, but rather are pressure pads that have only outlines and symbols printed on a flat, flexible surface. Very little, if any , tactile feedback is felt when using such a keyboard and error-free blind typing is difficult.
Membrane keyboards work with electrical contact between the keyboard surface and the underlying circuits when key-top areas are pressed.
For the Modern PC keyboards, they re essentially a membrane keyboard mechanism covered with an array of dome switches which give positive tactile feedback.
 Applications:
Our Advantage:
| Items | Silver Printed Circuit | Copper Etched FPC Circuit | 
| Material | PET (Polyester) | Copper | 
| Conductor | Printed silver | Copper | 
| Contact Fingers | Silver and Carbon | Gold plated | 
| Contact Buttons Pads | Silver | Gold plated | 
| Life & Reliability | normal | good | 
| Stability | normal | good | 
| Resistance | low | Very low | 
| Cost | low | high | 
| Lead Time | 2-3 days | 7-10 days | 
| Pitch | 0.5mm (not suggested), 1.0mm,1.27mm, 2.54mm | 0.5mm, 1.0mm,1.27mm, 2.54mm | 
| 1. Electrical Properties | Membrane Switch | ||
| Electrical Level: | 35V(DC), 100mA,1W | ||
| Contact Resistance: | 10Ω~500 Ω | ||
| Insulation Resistance: | 100MΩ/100V | ||
| Dielectrics Voltage-resistance: | 250VRms(50~60Hz 1min) | ||
| Chattering Time: | ≤ 5ms | ||
| Life Time: | Flat type ≥ 5,000,000; Tactile type ≥ 1,000,000 | ||
| Tail Folding: | R>1,180 | ||
| 2. Mechanical Properties | |||
| Operating Force: | Flat type 57~284g (2~10oz); Tactile type 170~397g(6~14oz) | ||
| Switch Stroke: | Flat type 0.1~0.5mm; Tactile type 0.6~1.5mm | ||
| 3. Environmental and Storage Conditions | |||
| Operation Temperature: | -40°C ~ +80°C | ||
| Storage Temperature: | -40°C ~ +80°C | ||
| Humidity: | 40°C, 90%~95%, 240 hours | 
 
 FAQ:
Q1: Are you a factory or trade company?
 A : Lunfeng is membrane switch/ graphic overlay manufacturer/factory. We pecialize in memrbane switch for 26 years.
 
 Q2 : Is my switch file safe if I send it to you for manufacturing?
 A : We respect customer's design authority and will never manufacture membrane switch/ graphic overlay for someone else without
 your permission. NDA is acceptable.
 
 Q3 : Can you copy membrane switch/ graphic overlay samples without file?
 A : Yes, we can clone membrane switch/ graphic overlay according to your samples.
 
 Q4 : What payment do you accept ?
 A : TT/ Western Union.
 
 Q5 : What's your shipping way ?
 A : 1. We have our own forwarder to ship goods by DHL, UPS, FEDEX, TNT, EMS.
 2. If you have your own forwarder, we can cooperate with them.
 
 Q6 : How about the MOQ?
 A : 1 pcs, but normally 5 pcs samples for memrbane switch, 10 pcs for membrane overlay.
 
 Q7 : What's your main market?
 A : Europe, USA, Brazil, Russia, Turkey, Iran, Austrialia, Singapore...

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