Rosettewar
Joined: 28 Jun 2013
Posts: 5
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 Posted: Fri Jun 28, 2013 2:04 pm Post subject: Photocouplers offer increased voltage isolation |
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Two new Triac output photocouplers, designed to provide reinforced voltage and electrical noise insulation in a miniature SO6 double mould package, have been unveiled by Toshiba Electronics Europe.
The TLP265J and TLP266J have a minimum rated isolation voltage of 3750Vrms and have been designed for use in triac drivers, programmable controllers, ac output modules and solid state relays used in home appliances and white goods.
The TLP265J consists of a non zero crossing photo triac, while the TLP266J consists of a zero crossing photo triac. Both are coupled to a long life gallium-arsenide infrared emitting diode (led). In terms of electrical characteristics, they support up to 7mA of trigger led current, which allows them to control output at a lower input current, thus contributing to lower power consumption.
The photocouplers are approved for worldwide use, as they have UL, cUL, and VDE approvals for creepage distance and clearance distance of min 5mm. Both devices are compatible with an ac mains voltage of 240V. They support a peak off state voltage of min 600V and an on state current of up to 70mA.
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