Description
The CNY17-4 is a high-performance optocoupler IC designed to provide reliable signal isolation between input and output circuits. It consists of a Gallium Arsenide (GaAs) infrared-emitting diode optically coupled to a silicon NPN phototransistor. This device enables the transmission of both digital signals and DC level information while maintaining complete galvanic isolation.
The CNY17-4 is a versatile, industry-standard component frequently used to replace mechanical relays and bulky transformers. Its high electrical isolation and long-term stability make it an excellent choice for digital interface circuits, analog modulation tasks, and general-purpose isolation in power-sensitive electronics.
Note: Product images are for reference only. The actual product may vary in appearance or manufacturer marking depending on stock availability.
Features
- High Isolation: 5,000 VRMS isolation test voltage for maximum system safety.
- Stability: Excellent long-term performance and signal reliability.
- Design Standard: Utilizes the industry-standard dual-in-line (DIP-6) package.
- Compatibility: Suitable for both digital logic interfacing and analog signal transmission.
- Versatility: Effectively replaces mechanical relays and transformers in many designs.
Benefits
- Protects low-voltage control circuits from high-voltage transients.
- Compact footprint helps save board space compared to mechanical alternatives.
- Highly reliable performance in industrial and consumer electronic applications.
- Easy integration into existing circuits due to standard package configuration.
Applications
- Digital Interface Circuits
- Analog Signal Modulation (e.g., CRT Modulation)
- Power Supply Feedback Loops
- Replacement for Mechanical Relays and Transformers
- General Purpose Signal Isolation
Package Includes
- 1 x CNY17-4 Phototransistor Optocoupler IC (DIP-6)
Specifications
| Parameter | Specification |
|---|---|
| Product Name | CNY17-4 |
| Device Type | Phototransistor Optocoupler IC |
| Package / Case | DIP-6 |
| Mounting Type | Through Hole |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 × 4 × 1 cm |






