Photorelays rated to 5A replace industrial E-M relays
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By
Graham Prophet
A guaranteed pulsed ON-state current that is three times greater than that of the continuous ON-state current secures a margin for safety design. TLP3547 is a 60V product with 5A (max.) large drive current. The TLP3548 is a 400V product with a 0.4A (max) drive current that offers high-speed switching of 1 msec (max). The 600V TLP3549 is the first photorelay to utilise a super-junction structure ‘DTMOS’ MOSFET and delivers a 0.6A (max) drive current. All of these photorelays have a minimum isolation voltage rating of 2500 Vrms.
Toshiba Electronics Europe; www.toshiba.semicon-storage.com
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