Shenzhen Haiwen Membrane Switch Co., Ltd.
Shenzhen Haiwen Membrane Switch Co., Ltd.
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1. Electrical Properties:
| 1, operating voltage: | ≤ 50VDC |
| 2, working current: | ≤ 100mA |
| 3 Contact resistance: | 0.5 ~ 5Ω |
| 4 Insulation resistance: | ≥ 100MΩ (100VDC) |
| 5, substrate voltage: | 2kDVC |
| 6, spring time: | ≤ 6ms |
| 7, loop resistance: | 50Ω, 100Ω, 150Ω third gear, or the user needs to determine |
| 8, insulation ink voltage: | 100VDC |
2. Mechanical Properties :
| 1, reliability, service life: | > 1 million times |
| 2, closed displacement: | 0.1 ~ 0.4mm (no touch-type) 0.4 ~ 1.0mm |
| 3, health standard for power: | 280g Power |
| 4, Silver migration: | In 55 ℃, humidity 90%, 56 hours later, the second-line between the 10MΩ/50VDC |
| 5, Silver online no oxidation, no impurities | |
| 6, Silver width | ≥ 0.3mm, the smallest interval of 0.3mm, line edges <1 / 3, the line gap of <1 / 4 width |
| 7, pin spacing standard | 2.54 2.50 1.27 1.25mm |
| 8, lead anti-curvature, with d | 10mm steel rod line pressure roller 80 constantly. |
3. environmental performance :
| 1, operating temperature: | -40 ℃ ~ +80 ℃ |
| 2, storage temperature: | -40 ℃ ~ +85 ℃ temperature of 95% ± 5% |
| 3, atmospheric pressure: | 86 ~ 106kDa |
Embossing on the polyester makes the keys tactile with spring and every key can be pressed more than 1 million times. The product are mainly used as control keypad of Karaoke player. Also, keypad of Haiwen can be customized based on customer’s design such as button icons, colors etc. Selecting Autotype F150 matte PET to screen print the overlay appears elegant and colorful. The circuits are made of Acheson ED-820B silver paste, so that it can be low resistance and function well. The rear adhesive is 3M 468.
Product Picture
Packaging: First put in a polybag per 50 pcs usually, then packed in a big carton;
According to the clients' requirements for special orders.
Shipping: By air, by sea, expressage
Payment terms: T/T, West Union, 30% advance, the balance paid before shipment please
Shenzhen Haiwen Membrane Switch Co., Ltd.(short for Haiwen) , which was founded in 1998. Today Haiwen has factory with more than 1000 sqm,and some advanced manufacturing equpments,testing facilities and instruments .Now we can manufacture many kinds of products . For example,rigid circuit board,flexible circuit board,rigid-flexible board,FFC,membrane switch,membrane keypad,graphic overlay ,nameplate,IMD,touch screen,glue dispenser,rubber keypad,circuit board assembly and others .
Haiwen does always focus on providing the high quality products and first class service to the market.We do the production strictly as per the ISO9001:2008 requirements.All of our products are RoHS compliant . In addition,all of our products are 100%fully inspected and tested by our quality department .We don't allow any flawed products to be marketed.In China ,we have mature technique,low HR cost,low operatiion cost,so there are more and more overseas companies subcontract their orders to us .
We looking forward to the long term business cooperation with you ! Welcome you to contact us for any business ! We believe that we will be one of your faithful and creditable business partners in the near future.
For more details , you can go and visit our website : en.szhaiwen.com
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If you need our products,please contact us.
Looking forward to our further cooperation.
Any of your requirements will get our prompt attention.