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ONSEMI CNY173M Phototransistor Optocoupler

The CNY173M is a high BVceo phototransistor optocoupler featuring a gallium arsenide infrared diode coupled with an NPN phototransistor in a compact 6-pin DIP package. With a minimum BVceo of 70 V and UL1577, IEC60747-5-5 safety approval, it is ideal for power supply regulation, digital logic, microprocessor inputs, and industrial control applications. Its design minimizes noise susceptibility, ensuring reliable electrical insulation and high isolation voltage up to 4170 VACrms, making it suitable for safety-critical environments.

Authorized Distributors
Source:Newark
Part No:CNY173M
Stock:1975
Inv Date:06-10-2026
Price: Unit price: $0.711
Buy/RFQ:
Source:DigiKey
Part No:CNY17-3M
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.43303
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Source:DigiKey
Part No:CNY173M
Stock:40098
Inv Date:06-10-2026
Price: Unit price: $0.69
Buy/RFQ:
Part No:CNY173M
Stock:6537
Inv Date:06-11-2026
Price: Unit price: $0.69
Buy/RFQ:
Part No:CNY17-3M
Stock:0
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:
Part No:CNY17-3M
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.396
Buy/RFQ:
Part No:CNY173M
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.154
Buy/RFQ:
Source:Arrow EU
Part No:CNY17-3M
Stock:7280
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:
Source:Arrow EU
Part No:CNY173M
Stock:1000
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:
Authorized Distributors
Part No:CNY173M
Stock:18084
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:

ONSEMI CNY173M Phototransistor Optocoupler Specifications:

  • Package: DIP 6-Pin
  • Isolation Voltage: 4170 VACrms for 1 minute
  • Peak Working Insulation Voltage: 850 V
  • Insulation Resistance: > 10^9 ohms at 500 VDC
  • Collector-Emitter Voltage: 70 V
  • Collector-Base Voltage: 70 V (minimum), 120 V (max for CNY17XM)
  • Emitter-Collector Voltage: 7 V
  • Input Current: 350 mA (max), Forward Voltage: 1.15 V at 10 mA
  • Output Power Dissipation: 800 mW
  • Thermal Operating Range: -40°C to +100°C
  • Storage Temperature: -40°C to +125°C
  • Lead Solder Temperature: 260°C for 10 seconds

Buy the ON Semiconductor CNY173M – Reliable Phototransistor Optocoupler for Industrial Applications

Secure the ON Semiconductor CNY173M online today and enhance your electrical insulation solutions. Its high BVceo, UL1577, and IEC safety approvals make it ideal for power regulation, digital logic interfaces, and microprocessor inputs. With a compact 6-pin DIP package and exceptional noise immunity, it ensures safe, reliable operation in industrial and safety-critical environments. Easy to integrate and cost-effective, this phototransistor optocoupler guarantees high insulation voltage up to 4170 VACrms. Order now for dependable, high-performance signal isolation in your critical applications.

Buy ON Semiconductor CNY173M now and experience unmatched reliability and performance in your power supply and industrial control systems.

Frequently Asked Questions

Where can I buy ONSEMI CNY173M?

You can click on the BUY or RFQ button to purchase CNY173M from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part CNY173M?

You can download the CNY173M datasheet or visit the ONSEMI website for support.

Who is the manufacturer of CNY173M?

ONSEMI

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