PS2761-1-V-K-A

The CEL PS2761-1-V-K-A is a high-performance optocoupler designed for various applications requiring electrical isolation and signal transmission. This device is particularly useful in environments where it is essential to separate different parts of a system to prevent noise, protect sensitive components, and ensure safety. The PS2761-1-V-K-A is widely used in industrial automation, telecommunications, and consumer electronics.

### Key Specifications:

1. Device Type:
- The PS2761-1-V-K-A is a phototransistor optocoupler, which means it uses a light-emitting diode (LED) to transmit signals across an isolation barrier to a phototransistor. This configuration allows for efficient signal transfer while maintaining electrical isolation.

2. Isolation Voltage:
- The device offers a high isolation voltage of 5,000 Vrms, ensuring robust protection against voltage spikes and transients. This high level of isolation is critical in applications where safety and reliability are paramount.

3. Input Specifications:
- The input side of the PS2761-1-V-K-A features a GaAs (Gallium Arsenide) LED that operates with a forward current (IF) typically around 10 mA. The forward voltage drop (VF) is approximately 1.2V at this current, making it suitable for standard driving circuits.

4. Output Specifications:
- The output side consists of a phototransistor that can handle a collector-emitter voltage (VCE) of up to 30V. The output current (IC) can reach up to 50 mA, allowing it to drive various loads effectively.

5. Transfer Characteristics:
- The PS2761-1-V-K-A has a current transfer ratio (CTR) typically ranging from 50% to 600% at an input current of 10 mA. This wide range of CTR allows for flexibility in design, enabling the optocoupler to be used in different applications with varying signal levels.

6. Switching Speed:
- The device features a fast switching speed, with a rise time (tr) of approximately 10 µs and a fall time (tf) of about 5 µs. This fast response time makes it suitable for high-speed data communication applications.

7. Temperature Range:
- The PS2761-1-V-K-A is designed to operate over a wide temperature range, typically from -40°C to +100°C. This temperature tolerance ensures reliable performance in various environmental conditions.

8. Package Type:
- The optocoupler is available in a compact DIP-4 (Dual In-line Package) configuration, which facilitates easy integration into printed circuit boards (PCBs). The small footprint of the package is advantageous for space-constrained designs.

9. Applications:
- The PS2761-1-V-K-A is suitable for a variety of applications, including:
- Signal Isolation: Used in data communication systems to isolate different sections of a circuit.
- Switching Power Supplies: Provides feedback isolation in power supply circuits.
- Microcontroller Interfacing: Allows microcontrollers to interface with high-voltage systems safely.
- Industrial Automation: Employed in control systems to protect sensitive components from high voltages.

10. Compliance and Standards:
- The PS2761-1-V-K-A complies with various industry standards, ensuring its reliability and safety in applications. It is often certified for use in environments that require adherence to specific safety and performance regulations.

### Conclusion:

The CEL PS2761-1-V-K-A optocoupler is a versatile and reliable component that provides electrical isolation and signal transmission for a wide range of applications. With its high isolation voltage, fast switching speed, and robust performance characteristics, it is well-suited for use in industrial, telecommunications, and consumer electronics applications. The device%27s ability to handle varying input and output conditions, combined with its compact package, makes it an excellent choice for engineers and designers looking to implement effective isolation solutions in their systems. Its compliance with industry standards further enhances its appeal, ensuring that it meets the necessary requirements for safety and reliability in diverse applications.