4N47

Part points

• The 4N47 is an optocoupler chip that provides electrical isolation between input and output signals. It is commonly used to transfer digital signals between different circuits while providing protection against voltage spikes and ground loops. The chip consists of an LED and a phototransistor isolated within a single package.

• Equivalent

  Some equivalent products of the 4N47 chip include TLP3543, PS9829B, and MOC3083. These are all optocouplers with similar specifications and functionalities to the 4N47 chip.

• Features

  1. High input impedance 2. Low offset voltage 3. Fast response time 4. Wide bandwidth 5. High common-mode rejection ratio 6. Low power consumption 7. Temperature stability 8. Multiple package options available.

• Pinout

  The 4N47 is a phototransistor optocoupler with a 6-pin DIP package. Pin 1 is the anode of the LED, Pin 2 is the cathode of the LED, Pin 3 is the collector of the phototransistor, Pin 4 is the emitter of the phototransistor, Pin 5 is the base of the phototransistor, Pin 6 is not connected.

• Manufacturer

  The manufacturer of the 4N47 is Vishay Intertechnology Inc. It is a global company that specializes in the design, manufacture, and distribution of electronic components, including discrete semiconductors and passive components. The company serves a wide range of industries, including automotive, computing, telecommunications, consumer electronics, and industrial.

• Application Field

  The 4N47 is commonly used in applications such as isolation amplifiers, motor controls, power supplies, and industrial control systems. It can also be found in medical equipment, digital cameras, and automotive systems for signal isolation, voltage regulation, and current sensing purposes.

• Package

  The 4N47 chip is a phototransistor optocoupler packaged in a 6-pin DIP (Dual Inline Package) form. It measures approximately 0.3 inches (7.62 mm) in width and 0.6 inches (15.24 mm) in length.