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Brand Name : Lunfeng/Customer's brand
Model Number : LFZDX005
Certification : ISO9001:2015, SMETA 4P
Place of Origin : Shenzhen, Guangdong, China
MOQ : 1 piece
Price : depending on the design
Payment Terms : TT/telegram transfer
Supply Ability : 500000 Piece/Pieces per Month
Delivery Time : normally 2-4 weeks, can be discussed
Packaging Details : PE bag/foam/carton, as customer's request
Product name : Custom Made Membrane Keyboard Switch
ColorS : Pantone/ RAL color, gray, blue
Material : PET, Polyester
Rear adhesive : 3M9448, 3M467,3M468
Feature : metal domes, matte/glossy surface, silver circuit
Connector : 2.54mm black Connector
Key : embossing keys, matte/glossy buttons
Type : NO LED, NO WINDOW
Membrane switch : Membrane Keyboard Switch
Custom Made Membrane Keyboard Switch
What is a Membrane Switch?
A membrane switch or flat panel switch consists of a printed polyester or polycarbonate overlay adhered to a printed circuit using pressure to open and close a circuit. The switch is an interface between user and machine, enabling an operator to communicate with equipment, instrumentation, or machinery. The membrane switch circuitry is most often screen printed using conductive inks which are typically made of silver or carbon. Membrane switches are part of a range of devices considered to be user interfaces or human machine interfaces (HMIs).
CSI Keyboards is a global leading custom membrane switch manufacturer and custom keypad manufacturer. With our unlimited design and manufacturing capabilities, CSI Keyboards is able to provide our customers with custom tactile membrane keypads and custom keypads that meet their needs as a user interface and face plate to their product. We engineer and manufacture custom membrane switch and membrane keypad technologies that meets specific customer requirements in both performance and visual aesthetics.
| 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 | 
 
 Our Advantage:
  
 We Focus in membrane switch and related items.
 Strong R&D capability
 Stable in quality
 Competitive price
 Short Lead time for samples and Mass production
 Whole solution design available
  
 Applications:
  
 * home appliances and device
 * Security Protection systems with Cipher Code
 * Various industry control keypad panel
 * consumer electronics and 3C item
 * Thrapy medical system and device
 * Various automtic machine control keypad
 * Telecommunication Equipment
 * Medical Equipment
 * Industrial Equipment
 * Household Equipment
 * Remote Controller
 * Control system
| 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 | 
  
  
  
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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