Technical data (Illuminated keypads with LEDs)
 |
| Contact material |
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Silver conductive paste applied using the screen printing technique, graphite printed onto contact surfaces |
| Switching element |
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Snap disc (metal dome) |
| Min. operating force |
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3 to 5 N (other values possible, if front foil is embossed or if inserts are going to be used over the keys.) |
| Max. operating force |
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50N |
| Switching voltage |
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min. 100mV AC/DC, max. AC 25 V / DC 42 V |
| Switching current |
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max. 100 mA |
| Switching capacity |
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max. 0,6W |
| Contact resistance |
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Depends on the length of the printed conductor |
| Insulation resistance |
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Between adjacent conductors and across open contacts > 106 Ω |
| Dielectric strength |
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Between any terminals and across open contacts U = 300 V
Between all other interconnected terminals and a metal support plate U = 500 V |
| Electrostatic dielectric strength |
|
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Ustat > 10kV |
| Endurance |
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> 106 operating cycles |
| Bounce time |
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< 3 ms |
| Operating temperature |
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-200C bis +550C |
| Storage temperature |
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-300C bis +700C |
| Air humidity |
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65% bei +600C indoors |
| Degree of protection |
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IP 65 (from the front) on request |
| Minimum bending radius of connecting lead |
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1,5 mm |
| Options |
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Various SMD components and resistors available on request |
| LED's |
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| Current consumption |
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Depends on the number of illuminated keys |
| Standard LED colour |
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White |
| Possible alternative LED colours |
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Blue/yellow/green/orange/red |
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