Overview
The CNY173M is a phototransistor output optocoupler produced by onsemi. It consists of a gallium arsenide infrared emitting diode coupled with an NPN phototransistor in a dual in-line package. This device is designed to provide high isolation and reliability, making it suitable for various industrial and consumer applications. The CNY173M is part of the CNY17XM series, which includes other models like CNY17FXM and MOC8106M, all offering similar functionalities with slight variations in specifications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Current Transfer Ratio (CTR) | 100 - 200 | % |
| Collector-Emitter Voltage (VCEO) | 70 | V |
| Collector-Emitter Saturation Voltage (VCE(sat)) | 0.4 | V |
| Input Forward Voltage (VF) | 1.0 - 1.65 | V |
| Continuous Forward Current (IF) | 60 | mA |
| Maximum Working Insulation Voltage (VIORM) | 850 | Vpeak |
| Input-Output Isolation Voltage (VISO) | 4170 | VACRMS for 1 minute |
| Ambient Operating Temperature (TA) | -40 to +100 | °C |
| Storage Temperature (TSTG) | -40 to +125 | °C |
| Turn-On Time (ton) | 2.0 - 10.0 | µs |
| Turn-Off Time (toff) | 3.0 - 10.0 | µs |
| Package Type | PDIP-6 |
Key Features
- High BVCEO: Minimum of 70 V, ensuring high voltage handling capability.
- Closely Matched Current Transfer Ratio (CTR): Minimizes unit-to-unit variation and available in select groups.
- Low Coupled Capacitance: No chip-to-pin 6 base connection for minimum noise susceptibility.
- Safety and Regulatory Approvals: Compliant with UL1577 and DIN-EN/IEC60747-5-5 standards, ensuring safe electrical insulation.
Applications
- Power Supply Regulators: Used in power supply systems to ensure isolation and reliability.
- Digital Logic Inputs: Suitable for digital logic circuits requiring isolation between input and output stages.
- Microprocessor Inputs: Used in microprocessor systems to isolate input signals from the microprocessor.
- Appliance Sensor Systems: Applied in various consumer appliances for sensing and control purposes.
- Industrial Controls: Utilized in industrial control systems for reliable and isolated signal transmission).
Q & A
- What is the CNY173M optocoupler composed of?
The CNY173M consists of a gallium arsenide infrared emitting diode coupled with an NPN phototransistor in a dual in-line package.
- What is the minimum Collector-Emitter Voltage (VCEO) of the CNY173M?
The minimum VCEO is 70 V).
- What are the safety and regulatory approvals for the CNY173M?
The CNY173M is compliant with UL1577 and DIN-EN/IEC60747-5-5 standards).
- What is the maximum working insulation voltage (VIORM) for the CNY173M?
The maximum working insulation voltage is 850 Vpeak).
- What is the typical turn-on time (ton) for the CNY173M?
The turn-on time ranges from 2.0 to 10.0 µs).
- What is the package type of the CNY173M?
The package type is PDIP-6).
- What are the ambient operating temperature ranges for the CNY173M?
The ambient operating temperature ranges from -40 to +100 °C).
- What are some common applications of the CNY173M?
Common applications include power supply regulators, digital logic inputs, microprocessor inputs, appliance sensor systems, and industrial controls).
- How does the CNY173M minimize noise susceptibility?
The device has very low coupled capacitance and no chip-to-pin 6 base connection, which minimizes noise susceptibility).
- What is the current transfer ratio (CTR) range for the CNY173M?
The CTR range is from 100 to 200%).
