AQV221A

The AQV221A is a PhotoMOS (MOSFET-based) relay with a small 2.54mm off-set surface-mounting terminal lead. It provides high sensitivity with low on-resistance, making it suitable for various electronic switching applications where isolation is required.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VSS: Source voltage
• VDD: Drain voltage
• V_G: Gate voltage
• GND: Ground
• COM: Normally Open (NO) contact
• NC: Normally Closed (NC) contact

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AQV221A PhotoMOS relay for a visual representation.

Key Features

• High Sensitivity: The AQV221A offers high sensitivity in the range of 3mA to 10mA, ensuring reliable operation with low input current.
• Low On-Resistance: With a low on-resistance of typically 2Ω, this relay minimizes power loss and heat generation.
• Surface-Mount Package: The small 2.54mm off-set SMD terminal lead design allows for easy PCB integration and space-saving installation.
• High Isolation Voltage: The AQV221A provides high isolation voltage up to 1.5kV, ensuring safe and reliable galvanic separation.
• Long Lifespan: Designed for long-term use, this PhotoMOS relay offers a high operational lifespan under specified conditions.

Note: For detailed technical specifications, please refer to the AQV221A datasheet.

Application

• Industrial Automation: Ideal for use in industrial automation systems where high sensitivity and isolation are required.
• Telecommunication Systems: Suitable for telecommunications applications for signal switching and isolation purposes.
• Medical Equipment: Used in medical devices for accurate and reliable signal routing with electrical isolation.

Functionality

The AQV221A PhotoMOS relay provides reliable switching capabilities with high sensitivity and low on-resistance. It ensures efficient signal control and isolation in electronic circuits.

Usage Guide

• Control Voltage: Apply the desired control voltage to the Gate (G) pin for switching the relay state.
• Load Connections: Connect the Source (VSS), Drain (VDD), Normally Open (COM), and Normally Closed (NC) pins to the corresponding circuit elements.
• Grounding: Ensure proper grounding by connecting the GND pin to the system ground.

Frequently Asked Questions

Q: What is the maximum current rating of the AQV221A relay?
A: The AQV221A relay has a maximum current rating of 100mA.

Q: Is the AQV221A suitable for automotive applications?
A: Yes, the AQV221A can be used in automotive electronics where high reliability and compact size are necessary.