CNY17-1 Phototransistor Output Optocoupler DIP-6 (CNY17-1 DIP IC)
The CNY17-1 is an optically coupled pair consisting of a Gallium Arsenide (GaAs) infrared-emitting diode and a silicon NPN phototransistor in a 6-pin dual-in-line package. This IC is designed to provide high-voltage electrical isolation between an input control circuit and an output load. It is characterized by a Current Transfer Ratio (CTR) ranging from 40 percent to 80 percent at a 10mA forward current. It effectively eliminates ground loops and protects sensitive microcontrollers from high-voltage transients in DC circuits.
This IC is primarily used in switch-mode power supply feedback loops, computer-to-peripheral interfacing, and industrial system controls. It is a fundamental component for Arduino electronics projects in India for signal isolation, logic-to-logic communication, and monitoring high-voltage DC status without direct electrical contact.
Key Features
- High isolation test voltage (5300 Vrms)
- Current Transfer Ratio (CTR) of 40 percent to 80 percent
- Long-term stability and high reliability
- Low coupling capacitance (typically 0.6pF)
- Standard 6-pin DIP package for through-hole mounting
- Fast switching time (typically 3 microseconds)
- Base lead provided for conventional transistor biasing
- High collector-emitter voltage (70V minimum)
Specifications
- IC Type = Phototransistor Optocoupler
- Isolation Voltage = 5300 Vrms
- Forward Current (If) = 60mA (Maximum)
- Collector-Emitter Voltage (VCEO) = 70V
- Collector Current (Ic) = 50mA (Continuous)
- CTR Range = 40 percent to 80 percent
- Package Type = DIP-6
- Number of Pins = 6
- Mounting Type = Through-Hole
- Operating Temperature = -55 to 110 degrees Celsius
Interfaces
- PIN 1 (ANODE) = Infrared LED Anode (+)
- PIN 2 (CATHODE) = Infrared LED Cathode (-)
- PIN 3 (NC) = No Connection
- PIN 4 (EMITTER) = Phototransistor Emitter
- PIN 5 (COLLECTOR) = Phototransistor Collector
- PIN 6 (BASE) = Phototransistor Base
