onsemi MMQA/SZMMQA ESD Protection Diodes

Introduction

The onsemi MMQA/SZMMQA ESD Protection Diodes are advanced semiconductor components designed to safeguard sensitive electronic equipment from transient overvoltage events. With their quad monolithic silicon voltage suppressor design, these diodes provide robust protection in a compact package, making them ideal for various applications.

Part Description

The MMQA/SZMMQA diodes feature a quad junction common anode configuration, allowing them to protect four separate lines with a single device. This design is particularly beneficial in scenarios where space is limited on circuit boards. The diodes are capable of handling peak power levels of 24W at 1.0ms and 150W at 20s in unidirectional configurations. They boast a low leakage current of less than 2.0A and an impressive ESD rating of Class 3B, which exceeds 16kV according to the human body model. Additionally, the diodes are lead-free and RoHS-compliant, ensuring they meet modern environmental standards.

Applications

• Computers
• Printers
• Business machines
• Communication systems
• Medical equipment

Industries

• Consumer Electronics
• Telecommunications
• Medical Devices
• Automotive
• Industrial Automation

Usage Ideas

1. Computer Peripheral Protection: Integrate the MMQA/SZMMQA diodes into the design of USB hubs or external hard drives to protect against ESD damage during connection and disconnection.
2. Medical Device Safety: Use these diodes in medical equipment such as patient monitors or diagnostic devices to ensure reliable operation in environments with high ESD risks.
3. Automotive Electronics: Implement the diodes in automotive control systems to safeguard sensitive electronic components from voltage spikes caused by electrical surges or ESD events.

Conclusion

The onsemi MMQA/SZMMQA ESD Protection Diodes are a versatile and essential component for protecting sensitive electronic devices from transient overvoltage conditions. Their compact design, high ESD rating, and suitability for various applications make them a valuable choice for engineers and designers across multiple industries. Whether in consumer electronics, medical devices, or automotive applications, these diodes provide reliable protection and enhance the longevity of electronic systems.