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Vishay CNY64ST High Voltage Optocoupler

The CNY64ST is a high isolation voltage optocoupler featuring a phototransistor output and gallium arsenide infrared-emitting diode in a compact 4-pin SMD package. Designed for electrical safety, it provides creepage distance of over 3mm, making it ideal for high-voltage applications such as solar and wind power diagnostics, welding equipment, high-voltage motors, and switch-mode power supplies. Compliant with safety standards including VDE 0884-5 and UL1577, it offers excellent electrical isolation, overvoltage withstand capability, and reliable performance in demanding environments.

Authorized Distributors
Source:Newark
Part No:CNY64ST
Stock:457
Inv Date:06-09-2026
Price: Unit price: $2.95
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Source:DigiKey
Part No:CNY64ST
Stock:1600
Inv Date:06-09-2026
Price: Unit price: $1.42548
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Part No:CNY64ST
Stock:365
Inv Date:06-10-2026
Price: Unit price: $2.86
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Part No:CNY64ST
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2.27
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Part No:CNY64ST
Stock:400
Inv Date:06-09-2026
Price: Unit price: $1.04
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Part No:CNY64ST
Stock:9
Inv Date:06-10-2026
Price: N/A
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Vishay CNY64ST High Voltage Optocoupler Specifications:

  • Isolation Voltage: Viso 12 kV (impulse), 2.8 kV (AC), 13.9 kV (DC)
  • Input Current: Forward current 75 mA, Reverse voltage 5 V
  • Output Voltage: Collector-emitter voltage 32 V, Emitter-collector voltage 7 V
  • Peak Current: 100 mA, Power Dissipation: 120-130 mW
  • Temperature Range: -55°C to +85°C (operating), -55°C to +100°C (storage)
  • Soldering Temperature: 260 °C for 10s, Moisture sensitivity level MSL4
  • Physical Dimensions: SMD package, creepage distance > 3 mm, isolation test voltage 2.8 kV (partial discharge)
  • Compliance: RoHS, halogen-free, IEC 60747-5-5, UL1577
  • Package Types: CNY64ST, CNY65ST with high isolation distances

Buy the Vishay Series CNY64ST High Voltage Optocoupler: 17187-6

Purchase the Vishay Series CNY64ST high voltage optocoupler online today to guarantee superior electrical safety, robust insulation, and reliable performance. Designed for demanding industrial environments, this compact SMD device offers high isolation voltage up to 12 kV impulse and complies with global safety standards like UL and VDE. Its exceptional creepage distance ensures safe operation in high-voltage applications such as solar power systems, motors, and switch-mode power supplies. Trust Vishay for quality and safety in your critical projects.

Order your Vishay Series CNY64ST high voltage optocoupler today and ensure safe and reliable electrical isolation for your high-voltage projects.

Frequently Asked Questions

Where can I buy Vishay CNY64ST?

You can click on the BUY or RFQ button to purchase CNY64ST from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part CNY64ST?

You can download the CNY64ST datasheet or visit the Vishay website for support.

Who is the manufacturer of CNY64ST?

Vishay

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