Saturday, September 12, 2015

Solid State Optronics - Special SSR Devices

SSO  founded in 1982 by Zag Kadah develops unique products in the form of solid state technology devices. SSO was the first company to offer a solid state relay with over-current protection in an ultra-miniature 4 pin SOP package

Solid State Optronics - Special SSR Devices

Products include MOS Output SSRs ,  SCR Output SSRs (Solid State Relays), Multifunction Telecom Switches, Triac Drivers and many types of Optocouplers.

Solid State Optronics - Special SSR Devices

How does a telephone line work?

"There are several different states that the phone line can be in, depending upon what the phone is doing, and what the phone company is doing to the phone. The central office (or nearby equivalent) applies various DC and AC voltages to the two-wire phone loop (labeled "tip" and "ring") during these various stages of call progress. In the idle state, the telephone company central office applies -48(±6) Vdc...."

Solid State Optronics
2 North First Street, San Jose, CA 95113, USA.