The company offers three- and two-steps key switches (0.50-in diam and 0.375-in height) that are designed for through-hole PCB mounting with maximum travel capacity of 1.5 mm. The life expectancy is said to be 200,000 cycles, and the switches have a contact rating of 0.4 V A maximum at 20 V a.c./d.c. The contact resistance is less than mohms typ. @ 2-4 V d.c., 100 mA. According to the company, the new switches are part of a complete line of environmentally sealed, water- and humidity-proof switches, available in illuminated and non-illuminated.
Piezo Switch Development Corp.