PC817X2NIP1B

The PC817X2NIP1B is an optocoupler, specifically a type of opto-isolator, manufactured by Sharp Microelectronics. This component is designed to provide electrical isolation between its input and output, making it ideal for applications where signal integrity and safety are paramount.

Key Features:

1. Isolation Voltage: The PC817X2NIP1B typically offers a high isolation voltage, often rated at 5,000 Vrms, which ensures that the input and output circuits are electrically isolated from each other. This is crucial for protecting sensitive components from high voltages.

2. Input Configuration: The device features an infrared LED as its input. When a current flows through the LED, it emits infrared light, which is detected by the phototransistor on the output side. The input current required to activate the LED is relatively low, making it energy-efficient.

3. Output Configuration: The output consists of a phototransistor that is sensitive to the infrared light emitted by the LED. The phototransistor can be configured in various ways (e.g., as a switch or amplifier) depending on the application requirements.

4. Package Type: The PC817X2NIP1B is typically housed in a compact DIP (Dual In-line Package) form factor, which allows for easy integration into circuit boards. The package is designed for surface mount technology (SMT), making it suitable for modern electronic designs.

5. Temperature Range: The device operates effectively over a wide temperature range, typically from -40°C to +100°C, ensuring reliability in various environmental conditions.

6. Switching Speed: The PC817X2NIP1B has a moderate switching speed, making it suitable for applications that do not require ultra-fast response times. It is often used in signal isolation, data communication, and control circuits.

7. Applications: Common applications for the PC817X2NIP1B include:

   • Signal isolation in microcontroller interfaces
   • Switching power supplies
   • Relay drivers
   • Data communication systems
   • Industrial automation and control systems

Electrical Characteristics:

• Input Forward Voltage (Vf): Typically around 1.2V at a forward current of 10 mA.
• Output Collector-Emitter Voltage (Vce): Can handle up to 80V.
• Current Transfer Ratio (CTR): The ratio of output current to input current, which is an important parameter for determining the efficiency of the optocoupler.

Conclusion:

The PC817X2NIP1B from Sharp Microelectronics is a versatile and reliable optocoupler that provides essential isolation and signal integrity for a wide range of electronic applications. Its combination of high isolation voltage, compact packaging, and robust performance makes it a popular choice among engineers and designers in various fields.