Detect switches offer silent operation

Eric Grange, Product Manager for C&K Components, says: "The features of this detect switch, including straight and vertical orientations, extended actuation periods and high actuation tolerances, as well as silver and gold platings for various environments, provide designers with a high degree of flexibility. Coupled with the 'ghost' silent actuation mechanism and designed for end-of-stroke use, the switch is ideal for applications ranging from automotive to industrial, to computer peripherals."

As an automotive-grade product, typical applications for the KSJ series switch include retractable dashboard LCD end-of-stroke detection, defroster positioning in HVAC rotating buttons and passenger airbag switches. The switch is also suitable for computer infrastructures and industrial electronics such as rotating and sliding button end-of-stroke position detection.

The top- or side-actuated KSJ series detect switch features long actuation periods of up to 2000 hours under 85degC, which ensure higher time at ambient temperature. The spherical actuator enables +/-30deg operation (actuation force angle offset) and has extended travel with a maximum stroke of 1.2mm. The switch is designed with flux sealing and 100k actuation endurance and has a feedback of 1N.

Voltage range for the detect switch is 20mV to 32V DC and current ranges from 1-50mA. Contact resistance is less than 100mohm, with a bounce time of less than 1ms. The power ratings are 1VA for the silver plating and 0.2VA for the gold plating. The operating temperature ranges from -40 to +85degC (silver plating) and -40 to +125degC (gold plating). For further information, visit www.ck-components.com/ksj/tactile,10582,en.html.