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Vishay VOL628A3T High Voltage Optocoupler

The VOL628A is a low-profile optocoupler featuring two infrared emitting diodes and a silicon planar phototransistor detector in a 4-pin LSOP package. It offers high current transfer ratio, capacitance, and isolation voltage, making it ideal for signal transmission between electrically separated circuits. Designed for industrial controls, telecom, and battery-powered equipment, it boasts high operational voltage, 5000 Vams isolation, and RoHS compliance. The device ensures reliable performance with UL1577, CSA, and VDE certifications, providing low coupling capacitance, high transient immunity, and safe electrical isolation. It supports diverse industrial and electronic applications demanding high safety and efficiency.

Authorized Distributors
Source:Newark
Part No:VOL628A-3T
Stock:3699
Inv Date:06-09-2026
Price: Unit price: $0.762
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Source:DigiKey
Part No:VOL628A-3T
Stock:3000
Inv Date:06-09-2026
Price: Unit price: $0.28731
Buy/RFQ:
Part No:VOL628A-3T
Stock:7636
Inv Date:06-10-2026
Price: Unit price: $0.77
Buy/RFQ:
Part No:VOL628A-3T
Stock:3000
Inv Date:06-09-2026
Price: Unit price: $0.225
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Part No:VOL628A-3T
Stock:4
Inv Date:06-10-2026
Price: N/A
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Vishay VOL628A3T High Voltage Optocoupler Specifications:

  • Isolation test voltage: 5000 Vams
  • Collector emitter voltage: 80 V
  • Emitter collector voltage: 7 V
  • Collector current: 50 mA
  • Power dissipation: 150 mW (output), 100 mW (input)
  • Junction temperature: 125 °C
  • Storage temperature range: -55 to +125 °C
  • Ambient temperature range: -55 to +110 °C
  • Soldering temperature (max. 10s): 260 °C
  • Creepage distance: 38 mm
  • Clearance distance: 38 mm
  • Insulation thickness: 2.04 mm
  • On-state voltage: 0.25-0.4 V at 1 mA
  • CTR: 50-600%, 63-125%, 100-200%, 160-320% (varies with configuration)
  • Turn-on time: 6 μs, Turn-off time: 55 μs

Buy the Buy Vishay Optocoupler Part Number VOL628A3T Online

Purchase the Vishay VOL628A3T optocoupler online today to enhance your circuit safety with high isolation voltage and low coupling capacitance. This reliable device supports industrial controls, telecom systems, and battery-powered equipment, certified under UL1577, CSA, and VDE standards. Its high current transfer ratio, 80 V collector emitter voltage, and 5000 Vams isolation test voltage make it ideal for ensuring your circuits' safety and efficiency. Enjoy quick delivery, competitive pricing, and guaranteed quality when you buy this essential component online.

Order your Vishay Series VOL628A3T optocoupler today and ensure high-voltage isolation for your industrial and control projects.

Frequently Asked Questions

Where can I buy Vishay VOL628A3T?

You can click on the BUY or RFQ button to purchase VOL628A3T from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part VOL628A3T?

You can download the VOL628A3T datasheet or visit the Vishay website for support.

Who is the manufacturer of VOL628A3T?

Vishay

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