Vishays non-zero-crossing 1.5-kV/μs dV/dt phototriac optocouplers

(Product News, 25 Jan 2007)

Vishay Intertechnology has announced the VO3052 and VO3053, two non-zero-crossing 1.5-kV/μs dV/dt phototriac optocouplers designed to isolate low-voltage logic from AC voltages up to 380 V.

The phototriacs consist of a GaAs infrared LED that is optically coupled to a monolithic photosensitive zero-crossing triac detector chip. A low-input trigger current facilitates an easy interface with microcontrollers and digital logic. The VO3053 requires a maximum trigger current of 5 mA to latch output, while the VO3052 requires a maximum trigger current of 10 mA. The devices are offered in the 6-pin DIP package.

The VO3052 and VO3053, in which "VO" part number prefix indicates "Vishay optocoupler," are direct replacements for industry-standard 1.0-kV/μs dV/dt phototriacs and companion devices to Vishays zero-crossing VO3062 and VO3063 1.5-kV/μs dV/dt phototriacs. Samples and production quantities of the new phototriacs are available now, with lead times of six to eight weeks for larger orders.

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