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Vishay ILQ621GB Quad Channel Optocoupler

The ILQ621GB is a four-channel optocoupler featuring phototransistors with GaAs IR LEDs, suitable for CMOS interface and power supply feedback circuits. Constructed with double moulded insulation technology, it withstands 7,500V DC and provides high gain, stable linear operation, minimum CTR of 30% at 1mA, and guaranteed CTR of 50% at 5mA. It offers a collector-emitter voltage of 70V, reverse voltage of 6V, surge current up to 1.5A, and supports industrial applications requiring reliable electrical isolation and high performance, with extended lead times and no discounts available.

Authorized Distributors
Source:Newark
Part No:ILQ621GB
Stock:1613
Inv Date:06-09-2026
Price: Unit price: $1.14
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Source:DigiKey
Part No:ILQ621GB
Stock:247
Inv Date:06-09-2026
Price: Unit price: $3.4
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Part No:ILQ621GB
Stock:242
Inv Date:06-10-2026
Price: Unit price: $3.3
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Part No:ILQ621GB
Stock:0
Inv Date:06-09-2026
Price: Unit price: $2.41
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Part No:ILQ621GB
Stock:0
Inv Date:06-09-2026
Price: Unit price: $1.33
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Part No:ILQ621GB
Stock:1021
Inv Date:06-10-2026
Price: N/A
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Vishay ILQ621GB Quad Channel Optocoupler Specifications:

  • Electrical isolation voltage: 7500 VDC
  • Number of channels: four
  • Phototransistor output: high gain linear operation
  • Collector-emitter voltage: 70 V
  • Reverse voltage: 6 V
  • Surge current: up to 1.5 A
  • Construction: double moulded insulation technology
  • Input: GaAs infrared LEDs
  • CTR at 1 mA: minimum 30%
  • CTR at 5 mA: guaranteed at least 50%
  • Package: 16-pin DIP (DIP-16)
  • Maximum operating temperature: 100°C
  • Storage temperature: -55°C to +150°C
  • Compliance: RoHS, UL1577, IEC 60747-5-2

Buy the Vishay Series Quad Channel Optocoupler: ILQ621GB

Order the Vishay ILQ621GB online today to enhance your industrial applications with reliable electrical isolation. This four-channel optocoupler offers high voltage withstand, stable CTR performance, and excellent linearity, ideal for power supply feedback, CMOS interfaces, and demanding industrial environments. With construction featuring advanced double moulded insulation technology, it guarantees safety and longevity. Secure your stock now for high-performance circuit protection and signal isolation with prompt delivery and trusted quality. Don't miss out—purchase online today and ensure your projects stay on track with Vishay's proven solutions.

Buy Vishay ILQ621GB now and experience unmatched reliability and performance in industrial isolation and power circuits.

Frequently Asked Questions

Where can I buy Vishay ILQ621GB?

You can click on the BUY or RFQ button to purchase ILQ621GB from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part ILQ621GB?

You can download the ILQ621GB datasheet or visit the Vishay website for support.

Who is the manufacturer of ILQ621GB?

Vishay

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