Vishay launches VOMHA43A optocoupler with high CMTI, compact design, and superior isolation voltage for automotive and industrial applications.
Quiver AI Summary
Vishay Intertechnology, Inc. has announced the release of the VOMHA43A, an AEC-Q102 qualified automotive optocoupler that operates at 1 MBd and comes in a compact SOP-5 package measuring just 3.6 mm wide. This device features an exceptional common mode transient immunity (CMTI) of 40 kV/µS, surpassing competing products, and can handle maximum repetitive peak isolation voltages of 707 Vpeak, suitable for various applications including electric vehicles and industrial systems. The VOMHA43A is designed for efficient data communication, signal isolation, and can be a direct replacement for existing components, eliminating the need for redesigns. It boasts a temperature range of -40 °C to +125 °C and is RoHS-compliant and halogen-free, with samples and production units available now.
Potential Positives
- Vishay Intertechnology introduced the VOMHA43A optocoupler with industry-leading minimum guaranteed common mode transient immunity (CMTI) of 40 kV/µS, improving signal transmission quality in various applications.
- The optocoupler supports an impressive maximum repetitive peak isolation voltage of 707 Vpeak, exceeding competing devices and meeting requirements for modern electric vehicle battery systems.
- The new SOP-5 package design minimizes PCB space, making it an attractive option for designers looking for compact solutions and stackable designs.
- The device is AEC-Q102 qualified, indicating its suitability for automotive applications, thereby expanding its market reach in the automotive sector.
Potential Negatives
- While the press release highlights the new product's features, it lacks specific details about competitive pricing or market strategy, which may raise concerns about how the product will be positioned against existing offerings.
- The announcement does not address any environmental or sustainability aspects of the new product, which could be a significant concern for consumers and regulators in increasingly eco-conscious markets.
- Although the device is noted for enhanced performance, the absence of information on production capacity or potential supply chain issues could imply risks related to meeting future demand.
FAQ
What is the key feature of the VOMHA43A optocoupler?
The VOMHA43A features a minimum CMTI of 40 kV/µS, making it highly robust against electrical spikes.
What applications is the VOMHA43A designed for?
This optocoupler is optimized for automotive, industrial, building control, and telecom applications, including EV and HEV vehicles.
How does the VOMHA43A compare with competing devices?
It offers a higher maximum peak isolation voltage of 707 Vpeak and a narrower package design for space-saving.
What are the temperature and compliance specifications of the VOMHA43A?
The device operates over a temperature range of -40 °C to +125 °C and is RoHS-compliant and halogen-free.
When can customers expect to receive the VOMHA43A?
Samples and production quantities are available now, with lead times of approximately six weeks.
Disclaimer: This is an AI-generated summary of a press release distributed by GlobeNewswire. The model used to summarize this release may make mistakes. See the full release here.
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Full Release
AEC-Q102 Qualified Device Offers Industry-Best Minimum CMTI of 40 kV/µS and Maximum Repetitive Peak Isolation Voltage of 707 V peak
MALVERN, Pa., July 09, 2026 (GLOBE NEWSWIRE) -- Vishay Intertechnology, Inc. (NYSE: VSH) today introduced an automotive 1 MBd high speed optocoupler in a new SOP-5 package with a narrow width of 3.6 mm. Combining a comparative tracking index (CTI) of 400 with industry-leading minimum guaranteed common mode transient immunity (CMTI) of 40 kV/µS, the Vishay Semiconductors VOMHA43A is designed to deliver improved signal transmission quality and save space in applications requiring isolation voltages (V IORM ) up to 707 V peak .
The AEC-Q102 qualified device released today is optimized for isolated data communication, fast signal switching, ground signal isolation, and logic voltage level shifting in automotive, industrial, home and building control, and telecom applications. In electric (EV), hybrid electric (HEV), and low speed electric (LSEV) vehicles, the optocoupler provides communication bus isolation for CAN, LIN, I²C, and SPI interfaces, as well as isolated drive circuit applications such as intelligent power module (IPM) drivers.
While previous SOP-5 packages offered a width of 4.4 mm, the narrower SOP-5 of the VOMHA43A requires less PCB space, while supporting stackable designs. The device’s minimum CMTI — which is more than double that of the closest competing device — provides enhanced robustness against electrical spikes and RF and EMI issues. And while competing devices offer maximum repetitive peak isolation voltages of 567 V peak , the optocoupler’s isolation voltage performance of 707 V peak meets the requirements of 400 V battery systems.
The VOMHA43A consists of a GaAlAs infrared emitting diode, optically coupled with an integrated photodetector and a high speed transistor. The photodetector is junction-isolated from the transistor to reduce miller capacitance effects. The optocoupler features an open collector output function that allows designers to adjust load conditions when interfacing with different logic systems, while a Faraday shield on the detector chip allows the device to reject and minimize high input to output common mode transient voltages.
The RoHS-compliant and halogen-free optocoupler operates over a temperature range of -40 °C to +125 °C and is pin to pin compatible with leading competing parts to provide a direct replacement and eliminate the need for electrical and mechanical redesigns.
Samples and production quantities of the VOMHA43A are available now, with lead times of six weeks.
Vishay manufactures one of the world’s largest portfolios of discrete semiconductors and passive electronic components that are essential to innovative designs in the automotive, industrial, computing, consumer, telecommunications, military, aerospace, and medical markets. Serving customers worldwide, Vishay is The DNA of tech. ® Vishay Intertechnology, Inc. is a Fortune 1000 Company listed on the NYSE (VSH). More on Vishay at www.Vishay.com .
The DNA of tech ® is a registered trademark of Vishay Intertechnology, Inc.
Vishay on Facebook:
http://www.facebook.com/VishayIntertechnology
Vishay Twitter feed:
http://twitter.com/vishayindust
Links to product datasheets:
http://www.vishay.com/ppg?80341
(VOMHA43A)
Link to product photo:
https://www.flickr.com/photos/vishay/albums/72177720334474258
For more information please contact:
Vishay Intertechnology
Peter Henrici, +1 408 567-8400
[email protected]
or
Redpines
Bob Decker, +1 415 409-0233
[email protected]
