Vishay DC Input Optocoupler, Through Hole, 6-Pin PDIP, Transistor Output, 4N35

Vishay 4N35 DC Input Optocoupler is a high-quality optoelectronic component combining a gallium arsenide infrared LED with a silicon NPN phototransistor output. This device is housed in a through-hole 6-pin PDIP package, suitable for a wide range of industrial, laboratory, and electronics applications where electrical isolation is critical.

Designed for robust performance, this optocoupler offers a maximum forward voltage of 1.5V and supports DC input currents up to 50mA. It provides an isolation voltage of 5000 VRMS, ensuring effective protection of sensitive electronic circuits from high voltages and noise interference. The current transfer ratio ranges from a minimum of 40% to a maximum of 50%, enabling efficient signal transmission between input and output.

Operating temperature spans from -55°C to 100°C, making it suitable for harsh environments. The device complies with numerous industry safety and quality standards including EN 60950:2000, FIMKO EN 60065, BSI EN 60065:2002, EN 60335, and UL certifications, ensuring reliability and trustworthiness in critical applications.

Typical use cases include AC mains detection, reed relay driving, switch mode power supply feedback loops, telephone ring detection, and logic ground isolation. Its low input-output coupling capacitance under 0.5 pF further supports high-frequency signal integrity and noise immunity.

The compact 6-pin PDIP package facilitates easy installation on printed circuit boards using standard through-hole mounting techniques and is compatible with common logic family interfacing. Its transistor output type provides a straightforward control signal for downstream electronic components.

Vishay 4N35 optocoupler is widely utilized in electronic manufacturing, electrical engineering, telecommunications, and industrial control systems. Features a gallium arsenide infrared LED and silicon NPN phototransistor combination.

Offers an isolation voltage of 5000 VRMS for electrical separation. Operates with a maximum forward voltage of 1.5V and an input current up to 50mA DC. Designed for wide temperature operation from -55°C to 100°C. Compatible with standard dual-in-line 6-pin PDIP packages for easy PCB mounting.

Ideal for AC mains detection and switch mode power supply feedback applications. Provides logic ground isolation and high frequency noise rejection capabilities. Meets industry standards including EN 60950, UL, and FIMKO approvals.

Commonly used in telephone ring detection and reed relay driving circuits. Explore more Vishay Optocouplers and related electronic components at EnvMart to support your industrial and electronic design needs.