Vishay VOMHA43A - High Speed Coupler
Automotive SOP-5 high-speed optocoupler with industry-best 40 kV/µs CMTI and 707 Vpeak isolation, enabling space-saving, robust signal isolation.
The VOMHA43AT is an AEC-Q102 qualified automotive high-speed optocoupler designed for reliable signal isolation in automotive, industrial, building automation, and telecom applications. Featuring a compact SOP-5 package with a narrow 3.6 mm body width, the device helps reduce PCB space requirements while supporting high-density and stackable designs.
The optocoupler delivers industry-leading performance with a guaranteed minimum common mode transient immunity (CMTI) of 40 kV/µs and a maximum repetitive peak isolation voltage of 707 Vpeak. This combination enables robust operation in electrically noisy environments, improving signal integrity and supporting isolation requirements in 400 V battery systems, CAN, LIN, I²C, and SPI communication interfaces.
Built with a GaAlAs infrared LED, integrated photodetector, and high-speed transistor output, the VOMHA43AT provides fast, dependable signal transmission. Its open-collector output offers flexibility when interfacing with different logic systems, while pin-to-pin compatibility with leading competitive devices simplifies upgrades and replacement designs.
Key features
- SOP-5 package with a narrow width of 3.6 mm
- Guaranteed common mode transient immunity (CMTI) of 40 kV/µS
- Maximum repetitive peak isolation voltage of 707 Vpeak
- Comparative tracking index (CTI) of 400
- Open collector output function
Applications
- Isolated data communication
- Fast signal switching
- Ground signal isolation
- Communication bus isolation for CAN, LIN, I2C, and SPI interfaces in electric (EV)
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