onsemi Optocoupler Surface Mount 4-Pin Phototransistor 1.4V Forward Voltage 20mA Input Current FOD8143SD

onsemi FOD8143SD Optocoupler is a high performance surface mount device designed to provide electrical isolation in electronic circuits. Featuring a combination of two gallium arsenide infrared LEDs connected in inverse parallel and a silicon phototransistor output within a compact 4-pin package, it delivers reliable and fast optoelectronic coupling.

With a maximum forward voltage of 1.4V and input current up to 20mA, this optocoupler is optimized for signal isolation with typical rise and fall times of 4μs and 3μs respectively, making it suited for applications requiring fast switching speeds.

The device operates within a broad temperature range from -55°C to 110°C, ensuring adaptability across industrial and commercial environments. It achieves electrical isolation up to 5kVrms, protecting sensitive components from high voltage interference, and conforms to internationally recognized UL and VDE standards enhancing design reliability.

This optocoupler comes in tape and reel packaging, facilitating high-volume, automated assembly. The current transfer ratio ranging from a minimum of 0.2% to a maximum of 3% enables precise control of input to output signal transmission. It is part of the FOD series, widely accepted in industrial, power electronics, and electronic component manufacturing sectors.

Common industrial use cases include signal isolation in power supplies, interface isolation in microcontroller inputs, and noise reduction in sensitive electronic circuits. Its SMT 4-pin form factor ensures compatibility with modern PCB assembly lines.

The optocoupler features two infrared LEDs connected in inverse parallel driving a silicon phototransistor output. Designed for surface mount applications with 4 pins in an SMT package for compact circuit designs. High isolation voltage of 5kVrms enhances safety and noise immunity in electronic systems.

Meets UL, VDE, and C-UL standards ensuring compliance with safety regulations. Operates over a wide temperature range from -55°C to 110°C for robust industrial performance. Typical rise time of 4μs and fall time of 3μs for efficient switching operations.

Input current of 20mA max supports various control system requirements. Packaging in tape and reel format supports automated SMT assembly processes. Explore more on Optocouplers and electronics components with EnvMart for your industrial and manufacturing needs.