东莞市兴安电子有限公司

1.Specification TypeSize(mm)Force(g) Round Dome4.0 5.0 more150~250 150~250 Oval Domes5.0 more150~250 4 Leg Domes6.0 more150~250 Usual Use Force:180±30g 2.Structure 1Mylar Adhesive: Thickness:0.05&0.08±0.005 Color：White&Transparency 2Metal dome: Stainless&Nickel 3 Rubber Adhesive(DSMS) 4 Spacer: Thickness:0.05&0.08±0.005 Color：White&Transparency 5 EMI(Electro Magnetic Interference) 3. Environmental Test: Item Test Test Condition Results 1 High Temp. Test +85oC, 48 hrs. No Change 2 Low Temp. Test - 40oC, 48 hrs. No Change 3 Humidity Test +66oC, 95% RH x 48 hrs. No Change 4 Thermal Shock Test - 40oC x 1 hr. & 85oC x 1 hr. ( 32 Cycles) No Change 5 Salt Spray 5% Nacl with 95% water 35oC, 24 hrs. No Change 4. Mechanical: 4.1 Life Expectancy: 500,000 cycles (Test Speed: 1-2 cycles / second) 4.2 Dome Travel : 0.17 +/- 0.04mm 4.3 Dome Thickness: 0.06 +/- 0.005mm 4.5 Contact Bounce: 5ms maximum 4.6 Dimensional Tolerance: +/-0.15mm 4.7 Click : F1-F2/F1 = 30% to 50% 4.8 Contact Resistance : <3Ω 4.9 EMI Resistance: A：Ag Ink Printing ：<2.0Ω B：Aluminum Sheet：<0.5Ω