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The VO4156D-X007T is a Triac and SCR output optocoupler manufactured by Vishay Semiconductor Opto Division. It features a PhotoTriac output with an integrated zero-crossing detection circuit, designed for precise AC power control applications. The device provides high isolation capability with an insulation voltage of 5300 Vrms. Key electrical parameters include a maximum repetitive peak off-state voltage (VDRM) of 600 V and a maximum continuous output current of 300 mA. The input forward current rating is 60 mA with a typical forward voltage of 1.2 V. Power dissipation is rated at 600 mW. The component operates within a temperature range of -55°C to +100°C and utilizes a PDIP-6 Gull Wing surface mount package.
This component is officially listed as End-of-Life (EOL) and discontinued by the manufacturer. Verification of availability should focus on surplus distributors or existing stock rather than new production orders. Confirm RoHS compliance status through specific datasheet revisions if required for regulatory adherence. Ensure compatibility with replacement parts due to obsolescence.
Select this component only when zero-crossing functionality is strictly required for low electromagnetic interference in AC switching applications. Verify that the 600 V blocking voltage and 300 mA current capacity meet the specific load requirements. Consider the PDIP-6 SMD footprint constraints during PCB layout design. Evaluate alternative active devices if zero-crossing precision is not critical to the system performance.
The VO4156D-X007T belongs to the VO415x series of Triac and SCR output optocouplers from Vishay. This series is characterized by the integration of zero-crossing detection logic alongside the phototriac output stage. The family typically offers high isolation voltages suitable for mains-powered applications. The specific model distinguishes itself through its 600 V voltage rating compared to other variants in the series.
VO4256D-X007T