VO4254/VO4256
Vishay Semiconductors
Optocoupler, Phototriac Output, High dV/dt, Low Input Current
FEATURES
• High static dV/dt 5 kV/µs
A 1 C 2 NC 3 6 MT2 5 NC 4 MT1
• High input sensitivity IFT = 1.
6, 2, and 3 mA • 400 and 600 V blocking voltage • 300 mA on-state current • Isolation test voltage 5300 VRMS
APPLICATIONS
i179035
• Solid-state relays • Industrial controls • Office equipment • Consumer appliances
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DESCRIPTION
The VO4254/VO4256 phototriac consists of a GaAs IRLED optically coupled to a photosensitive non-zero crossing TRIAC packaged in a DIP-6 package.
High input sensitivity is achieved by using an emitter follower photo
transistor and a cascaded SCR predri...