Custom electronic conductive silicone rubber keypad

A conductive silicone rubber keypad forms the flexible user interface between an operator's finger and the contact layout inside an electronic product. The molded keys provide the visible and tactile part of that interface, while the conductive contact arrangement must align with the circuit board beneath them. Custom configurations can serve remote controls, calculators and related electronic equipment.

Begin the design with the key positions and the matching board layout. Record the contact centers, key travel, available internal height and the way the housing locates the keypad. A key can look correctly positioned from the front while its underside contact is offset relative to the board. Include the assembled section so the relationship between the key top, flexible web and electrical contact can be reviewed together.

ETOL offers customization of structure, dimensions, color and hardness, with printing and laser-marking options listed for suitable designs. The choice of legend process should follow the intended appearance and use. Electrical behavior, operating force and return action need agreed requirements and sample checks; they should not be inferred from the fact that a part is described as conductive silicone.

Handle the conductive silicone rubber keypad carefully during assembly to keep the contact areas clean and avoid stretching the web between keys. Confirm that the housing does not hold a key partly pressed and that neighboring keys remain independent during operation. Evaluate the keypad with the intended electronics rather than testing the molded part in isolation. During servicing, follow the equipment's cleaning procedure and avoid scraping the contact surfaces. A quotation package should contain the key layout, board contact drawing, legend artwork and the desired operating characteristics. These details help develop an interface that matches both the user's controls and the electronics behind them.

Material options

Silicone. Custom formulation and color for the intended contact conditions.

Hardness selection

Silicone: 20–80 Shore A. Electrical behavior, operating force and return action need agreed requirements and sample checks; they should not be inferred from the fact that a part is described as conductive silicone.

Custom dimensions

Record the contact centers, key travel, available internal height and the way the housing locates the keypad.

Fit & assembly

Handle the conductive silicone rubber keypad carefully during assembly to keep the contact areas clean and avoid stretching the web between keys.

Use & inspection

During servicing, follow the equipment's cleaning procedure and avoid scraping the contact surfaces.

Photos illustrate structure or material only. A quotation package should contain the key layout, board contact drawing, legend artwork and the desired operating characteristics. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.