VISHAY TCMD4000 Quad Optocoupler, Darlington Output, SOP-16, 3.75kV

The VISHAY TCMD4000 is a high-performance optocoupler featuring a photodarlington output that is optically coupled to a gallium arsenide infrared-emitting diode. This design provides a fixed distance between input and output, ensuring the highest safety requirements for your applications.

With an AC isolation test voltage of 3750VRMS, this optocoupler delivers reliable galvanic isolation. It offers a low coupling capacitance of typically 0.3pF and a low temperature coefficient of CTR, ensuring stable performance over a wide ambient temperature range. The TCMD4000 is available in a compact SOP-16 package and supports a forward current of up to 60mA.

This quad-channel optocoupler is specifically designed for demanding environments, making it an ideal choice for industrial and communications networking applications. The Darlington output provides a high current transfer ratio (CTR), with a minimum CTR of 600%, ensuring efficient signal transfer.

Key specifications include a collector-emitter voltage of 35V and an isolation voltage of 3.75kV. The component’s robust construction guarantees long-term reliability, making it a trusted solution for engineers and designers.

Applications

• Industrial control systems
• Communications networking equipment
• Power supply isolation
• Signal isolation in noise-sensitive circuits

With its advanced features and superior performance, the VISHAY TCMD4000 is a versatile and reliable optocoupler for a wide range of electronic designs.