Photocouplers offer high voltage isolation, low trigger currents

The TLP267J and TLP268J are designed to provide reinforced insulation and low LED trigger currents of 3mA (max). Toshiba says the reduced trigger current enable the devices to control output at a lower input current, thus contributing to lower power consumption Both of the photocouplers are suitable for use in triac drivers, programmable logic controllers, ac output modules and solid-state relays used in home appliances and white goods. The TLP267J consists of a non-zero crossing photo triac, while TLP268J consists of a zero crossing photo triac. Both are coupled to a long-life gallium-arsenide infrared emitting diode. The photocouplers have a minimum rated isolation voltage of 3750Vrms. They offer creepage and clearance distances of 5mm (min.) and meet the reinforced insulation class requirements of international safety standards. Both devices are compatible with an AC mains voltage of 240V. They support a peak off-state voltage of 600V (min.) and an on-state current of up to 70mA.