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Toshiba releases new photorelays ideal for smart meters

By Michelle Froese

Toshiba Electronic Devices & Storage Corporation has launched two new photorelays, “TLP223GA” and “TLP223J,” with an OFF-state output terminal-voltage rating of 400V and 600V, respectively. They both feature low input power, improved switching characteristics, and are housed in a DIP4 package.

The new products come with a highly luminous efficiency LED developed and have a maximum trigger LED current of 2mA. This is about 33 percent lower than current products and allows low input power.

Faster operation is secured by lower switching characteristics (turn-on time, turn-off time): 50 percent for TLP223GA and 75 percent for TLP223J.

Their maximum operating temperature ratings have been extended from 85° to 110° C, suiting them for use in equipment installed outdoors, such as smart meters. A maximum isolation voltage of 5000Vrms allows use in equipment requiring high-isolation performance.

Applications

  • Smart meters
  • Security systems
  • Industrial equipment (programmable logic controllers, I/O interface, various sensor control, etc.)
  • Building automation systems
  • Replacement of mechanical relays

Features

  • Low input power: IFT=2mA (max), VF=1.5V (max)
  • High-speed operation:
    tON=1ms (max) (TLP223GA)
    tON=0.5ms (max) (TLP223J)
  • High operating temperature rating: Topr (max)=110°C
  • High isolation voltage: BVS=5000Vrms (min)

Filed Under: Components, News, Optoelectronics
Tagged With: led, optical, optoelectronics, photorelays, semiconductor, smartmeters, toshiba
 

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