The PUMF12,115 is a common-mode filter designed by Nexperia. It integrates Electrostatic Discharge (ESD) protection diodes to safeguard sensitive data lines from ESD strikes and other transient voltage events. This filter is specifically engineered to attenuate common-mode noise while preserving signal integrity, making it ideal for high-speed data interfaces like USB, HDMI, and Ethernet.

Applications:

• USB interfaces: Protects USB data lines in computers, peripherals, and mobile devices.
• HDMI interfaces: Safeguards HDMI connections in TVs, monitors, and media players.
• Ethernet ports: Provides ESD protection and noise filtering for Ethernet connections in networking equipment.
• DisplayPort interfaces: Protects DisplayPort data lines in computers and displays.
• Audio lines: Filters noise and provides ESD protection for audio signals in portable devices.

Features:

• Integrated ESD protection: Provides robust protection against ESD strikes.
• Common-mode filter: Attenuates common-mode noise without affecting differential signals.
• Low insertion loss: Minimizes signal attenuation for high-speed data transmission.
• Small form factor: Compact package for space-constrained applications.
• AEC-Q101 qualified: Suitable for automotive applications.

Benefits:

• Enhanced system reliability: Protects sensitive data lines from ESD damage and noise.
• Improved signal integrity: Maintains signal quality for high-speed data transmission.
• Reduced EMI emissions: Filters common-mode noise to minimize electromagnetic interference.
• Simplified PCB layout: Integrated functionality reduces component count and simplifies design.
• Compliance with industry standards: Meets ESD protection requirements for various applications.

Additional Details:

The PUMF12,115 features a cutoff frequency tailored for high-speed data interfaces. It offers a typical common-mode attenuation of -20dB at 100 MHz. The ESD protection diodes provide a clamping voltage that limits the voltage across protected components during an ESD event. The device is available in a leadless DFN package, minimizing board space requirements. The PUMF12,115 is commonly used in smartphones, tablets, laptops, and other portable devices. Its AEC-Q101 qualification makes it suitable for automotive applications, such as infotainment systems and vehicle communication networks. This filter is a reliable and cost-effective solution for protecting high-speed data interfaces from ESD and noise.