Power
High temperature ultra-miniature photocoupler suits power supplies and programmable controllers
Toshiba Electronics Europe has expanded its family of miniature photocouplers with a new extended temperature device suitable for applications including switching power supplies, programmable controllers and AC/DC input modules.
The Supplied in an ultra-miniature SOP4 package, the photocoupler has dimensions of just 4.4mm x 2.6mm x 2.1mm.
Toshiba’s new coupler consists of a GaAs infrared LED that is optically coupled to a phototransistor. Minimum current transfer ratio is 50%, while collector-emitter voltage (VCE) is rated at 80V. Maximum operating insulation voltage is 707Vpk, while highest permissible overvoltage is 6000Vpk.
The new device is fully approved to all relevant UL, BS, EN and VDE safety standards including UL1577, BS EN 60065: 2002, BS EN 60950-1: 2006 and EN60747-5-2.
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