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Home > Technology List > Vishay First Automotive Grade Phototransistor Optocoupler Launched _V

Vishay First Automotive Grade Phototransistor Optocoupler Launched _VOMA617A

Published time: 2018-05-31


Source :Vishay Intertechnology, Inc.

— May 30, 2018 — Vishay Intertechnology, Inc. (NYSE: VSH) launched its first Automotive Grade phototransistor optocoupler, the VOMA617A. The new device combines a high current transfer ratio (CTR) with a low forward current of 5 mA in the compact SOP-4 mini-flat package, which saves 30 % PCB space compared to the DIP-4 package.

2.Some information about the VOMA617A.

The VOMA617A is designed for galvanic and noise isolation, signal transmission, battery management, and system control in automotive applications, including hybrid and electric vehicles, as well as high reliability industrial applications. The device offers a CTR range from 50 % to 600 %.The VOMA617A features a GaAlAs infrared emitting diode that is optically coupled to a silicon phototransistor. The SOP-4 package provides a 3750 V isolation voltage rating and creepage and clearance distance of ≥ 5 mm.The VOMA617A is molded using an eco-friendly “green” compound, RoHS-compliant, and in accordance with WEEE 2002/96/EC. It is certified to UL, cUL, VDE, and CQC safety standards.

3.The VOMA617A related description and features 

Excerpt from the VOMA617A datasheet

Address to VOMA617A datasheets:


The VOMA617A series has a GaAlAs infrared emitting diode,which is optically coupled to a silicon planar phototransistor detector, and is incorporated in a 4-pin mini-flat package.It features a high current transfer ratio at low input current,low coupling capacitance, and high isolation voltage.The coupling devices are designed for signal transmission between two electrically separated circuits, specifically for use in automotive, as well as high reliable industrial



• Galvanic and noise isolation

• Signal transmission

• Hybrid / electric vehicle applications

• Battery management

• 48 V board net

• System control


• UL1577   • cUL 1577   • DIN EN 60747-5-5 (VDE 0884-5)   • CQC GB4943.1-2011 (pending)


AEC-Q101 qualified    High CTR with low input current    SOP-4 low profile package

High collector emitter voltage, VCEO = 80V    Isolation test voltage = 3750VRMS

Low coupling capacitance

Maximum Operating Temperature + 110 C

Minimum Operating Temperature - 40 C

Package: 4-SOP     Pb Free, Halogen Free, RoHS Compliant

DIN EN 60747-5-5 (VDE 0884-5)

CQC GB4943.1-2011 (pending)

Fall Time 6.2 us

Isolation Voltage 3750 Vrms

Number of Channels 1 Channel    Output Type Photovoltaic

Packaging Reel    Pd - Power Dissipation 180 mW

Product Type Photodiode Output Optocouplers

4.The type of VOMA617A

VOMA617A-3X001T     VOMA617A-X001T

5.About Vishay Intertechnology, Inc

 Vishay Intertechnology, Inc, a Fortune 1000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay’s product innovations, successful acquisition strategy, and "one-stop shop" service have made it a global industry leader
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