The STC13575T-331M1R0-PF is a high-performance common mode choke from TDK Corporation, designed to suppress common mode noise in high-speed differential transmission lines. This component is crucial for maintaining signal integrity and ensuring compliance with EMC standards in a variety of electronic devices.

Applications

  
• USB 2.0/3.0/3.1 data lines: Used to filter noise and maintain signal integrity.
  
• HDMI interfaces: Employed in display devices and multimedia equipment to suppress common mode noise and prevent signal degradation.
  
• LVDS (Low-Voltage Differential Signaling) interfaces: Commonly used in LCD panels, automotive displays, and other high-speed data transmission systems.
  
• Ethernet lines: Protects network devices from common mode noise and ensures stable data transmission.
  
• DisplayPort interfaces: Incorporated into computers, monitors, and other display devices to filter noise and maintain signal quality.

Features

  
• High Common Mode Attenuation: Provides effective suppression of common mode noise across a wide frequency range.
  
• Compact Size: The surface-mount design allows for efficient use of board space.
  
• High Impedance: Offers a high impedance to common mode currents while maintaining low impedance to differential mode signals.
  
• Low Insertion Loss: Minimizes signal degradation and ensures high signal integrity.
  
• RoHS Compliant: Meets environmental regulations, ensuring it is free from hazardous substances.

Benefits

  
• Improved Signal Integrity: Reduces common mode noise, resulting in cleaner and more reliable signal transmission.
  
• Enhanced EMC Performance: Helps electronic devices meet electromagnetic compatibility standards.
  
• Reduced EMI: Minimizes electromagnetic interference, preventing disruptions to nearby electronic equipment.
  
• Increased System Reliability: Protects sensitive electronic components from noise-related damage.
  
• Optimized Board Space: Its compact size allows for higher component density on the PCB.

Additional Details

The STC13575T-331M1R0-PF features a common mode impedance of 330 ohms at 100 MHz and a rated current of 100mA. It is designed for surface mount technology (SMT) assembly, facilitating automated manufacturing processes. The component is constructed with high-quality ferrite materials to ensure stable performance over a wide range of operating temperatures. The operating temperature range is typically -40°C to +85°C.  The choke's design is optimized to provide high common mode attenuation while maintaining low differential mode insertion loss, which is critical for preserving the integrity of high-speed signals. The precise specifications may vary, so consulting the official TDK datasheet is recommended for detailed electrical and mechanical characteristics. The component's compact size and robust design make it a reliable choice for noise suppression in a variety of applications.