Description

PC817 Optocoupler Transistor Output DIP-4 Good Quality

The PC817 is a popular optocoupler with a transistor output, commonly used for electrical isolation between different sections of a circuit. It is housed in a DIP-4 (Dual Inline Package with 4 pins), making it easy to integrate into various electronic designs.

Key Features:

1. Optical Isolation: The PC817 provides excellent electrical isolation between the input and output, using an infrared LED and a phototransistor.
2. Transistor Output: The output side is a transistor, which makes it easy to interface with other digital or analog circuits.
3. High Voltage Isolation: It can withstand high voltage differences between the input and output, typically up to 5,000V.
4. Good Quality: Known for its reliability and consistent performance, the PC817 is widely used in consumer electronics and industrial applications.
5. Compact DIP-4 Package: The small, standard DIP-4 package allows for easy mounting on PCBs (Printed Circuit Boards).

Typical Applications:

• Signal Isolation: Used to protect sensitive microcontroller or digital circuit inputs from high voltage or noisy signals.
• Switching Power Supplies: Commonly used to provide feedback from the secondary side to the primary side of an SMPS.
• Microcontroller Interface: Often used to interface high voltage or noisy circuits with microcontrollers or other logic devices.
• AC Voltage Detection: Used in circuits that need to detect the presence of AC voltage without direct electrical connection.

Reliability:

The PC817 is known for its high quality, providing reliable performance in various operating conditions. It’s a go-to component for engineers and hobbyists alike when optical isolation is required in a circuit design.