The CNY117-2 is a single-channel optocoupler manufactured by Vishay. It consists of an infrared emitting diode (IRED) optically coupled to a silicon planar phototransistor. This arrangement allows for electrical isolation between input and output circuits while enabling signal transfer. The CNY117 series is known for its high isolation voltage and current transfer ratio (CTR), making it suitable for various isolation and signal coupling applications.
Applications
- Industrial control systems: Used for isolating sensitive control circuitry from high-voltage power circuits.
- Medical equipment: Provides isolation to protect patients and equipment from electrical hazards.
- Power supplies: Isolates the primary and secondary sides of power supplies for safety and noise reduction.
- Motor control: Isolates control signals to motor drivers.
- Data transmission: Used in data communication systems to prevent ground loops and improve signal integrity.
Features
- High isolation voltage: Offers a high degree of electrical isolation between input and output, typically up to 5 kV.
- Current transfer ratio (CTR): Provides efficient signal transfer with a specified CTR range.
- Compact package: Available in a standard DIP package for easy integration into circuit boards.
- High collector-emitter voltage: Supports higher voltage levels on the output side.
- Fast switching speed: Enables relatively fast signal transmission.
Benefits
- Enhanced safety: Protects equipment and personnel from electrical hazards by providing galvanic isolation.
- Improved signal integrity: Prevents ground loops and reduces noise in signal transmission.
- Reliable performance: Offers stable and consistent performance over a wide range of operating conditions.
- Simplified design: Simplifies circuit design by providing a convenient method for signal isolation and coupling.
- Cost-effective: Provides a cost-effective solution for isolation requirements in various applications.
Additional Details
The CNY117-2 typically operates within a temperature range of -55°C to +100°C. The forward current of the IRED is typically around 60mA, and the collector-emitter voltage can go up to 70V. The current transfer ratio for the CNY117-2 is specifically tailored to meet the requirements of various applications. It's crucial to refer to the datasheet for the exact CTR range and other detailed specifications. The package is typically a 6-pin DIP. This optocoupler complies with industry standards for safety and performance.