| Main parameter of the product: | |
| 1.Membrane keyboard Construct | |
| Graphic Overlay: | PET (0.18mm) |
| Overlay Adhesive: | 3M467 |
| Circuit layer(top): | silver printed circuit (0.125mm) |
| LED Circuit Spacer(with adhesive): | PET(0.225mm) |
| Circuit layer(bottom): | silver printed circuit (0.125mm) |
| Rear Adhesive | 3M9448 |
| Note:material and structure can be changed according to requirment | |
| 2.Electrical Properties | |
| Operating Voltage: | ≤ 50VDC |
| Working Current: | ≤ 100mA |
| Loop Resistance: | <10Ω |
| Insulation Resistance: | 50V (≥100MΩ) |
| Base Material Withstand Voltage | 2kVDC |
| Insulation Ink Withstand Voltage | 100VDC |
| Contact Bounce: | ≤6ms |
| Reliability of Life-span | >1million times |
| 3.Mechanica Properties | |
| Operation Force | 50~300g(alterable) |
| 4.Environment Parameter | |
| Operation Temperature | -40~+80 Degree Centigrade |
| Storage Temperature | -40~+85 Degree Centigrade |