Neither an overcoat material nor "Lock Paint" can be applied. Do not apply any adhesive agent such as "Lock Paint" to the adjustment section (rotor) of the Trimmer Capacitors. In some applications, resin or rubber coating material is applied to a wide area on the circuit board to improve water resistance or environmental resistance. However, do not apply the material directly to the trimmer capacitor. If the material penetrates the inside of the trimmer capacitor, contact failure will occur, resulting in degradation of the characteristics.
When our Trimmer Capacitors are used correctly, the preset capacitance value hardly changes due to vibration or impact. It may be unnecessary to apply "Lock Paint" for vibration or impact suppression. For the test data on vibration characteristics, impact characteristics, and environmental resistance characteristics, contact us.