Littelfuse AQ3118-02JTG Low-Capacitance TVS Diode Array

Introduction

The Littelfuse AQ3118-02JTG is a cutting-edge Low-Capacitance Transient Voltage Suppressor (TVS) Diode Array designed to provide exceptional protection against electrostatic discharge (ESD) and lightning-induced surges. This component is particularly suited for applications requiring low leakage current and minimal capacitance, making it an ideal choice for modern electronic devices.

Part Description

The AQ3118-02JTG features a robust two-channel design that effectively absorbs repetitive ESD strikes, complying with the maximum levels set by IEC 61000-4-2 (level 4, ±8kV contact discharge). It can safely dissipate surge currents of up to 2A as per IEC 61000-4-5 2nd edition. With a low leakage current of just 50nA at 18V and an ultra-low I/O-to-I/O capacitance of 0.3pF, this TVS diode array is optimized for high-speed data applications. Additionally, it is AEC-Q101 qualified, halogen-free, lead-free, and RoHS compliant, ensuring it meets stringent environmental and safety standards.

Applications

• Automotive electronics
• USB 2.0 and USB 3.0 interfaces
• RF signal ESD protection
• RF switching, power amplifiers, and antenna protection
• Near-field communications (NFC)

Industries

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

Usage Ideas

1. Automotive ESD Protection: Integrate the AQ3118-02JTG into automotive control systems to protect sensitive electronics from ESD and voltage spikes, ensuring reliable operation in harsh environments.

2. USB Device Protection: Use the diode array in USB 2.0 and 3.0 devices to safeguard against voltage transients, enhancing the durability and longevity of the devices during use.

3. RF Communication Systems: Implement the AQ3118-02JTG in RF communication systems to provide robust protection for RF signals, ensuring clear transmission and reception while preventing damage from surges.

Conclusion

The Littelfuse AQ3118-02JTG Low-Capacitance TVS Diode Array is an essential component for modern electronic applications requiring reliable surge protection. Its low leakage current and capacitance make it ideal for high-speed data lines and sensitive electronic systems. With its wide range of applications across various industries, this diode array stands out as a robust solution for protecting electronic devices from ESD and lightning-induced surges.