The QVC811171RT-2045 is a common mode choke manufactured by TDK Corporation. Common mode chokes are used to suppress common mode noise, which is a type of electromagnetic interference (EMI) that can disrupt the operation of electronic devices. By filtering out this noise, the QVC811171RT-2045 helps ensure electromagnetic compatibility (EMC) and improves signal integrity.

Applications

• USB Interfaces: Filters common mode noise on USB data lines to improve data transmission reliability.
• LAN/Ethernet Connections: Reduces noise on Ethernet cables for enhanced network performance.
• Power Lines: Suppresses noise from power lines, preventing interference with other electronic devices.
• Signal Lines: Filters common mode noise from signal lines within electronic devices to improve signal quality.
• Automotive Electronics: Used in automotive systems to reduce noise and ensure reliable operation of electronic components.

Features

• High Common Mode Impedance: Provides effective suppression of common mode noise.
• Low Differential Mode Impedance: Minimizes signal attenuation of differential mode signals.
• Compact Size: Allows for easy integration into various electronic devices and PCBs.
• High Reliability: Ensures stable performance over a wide range of operating conditions.
• RoHS Compliant: Meets environmental regulations regarding hazardous substances.

Benefits

• Improved EMC Performance: Reduces electromagnetic interference, ensuring compliance with regulatory standards.
• Enhanced Signal Integrity: Filters noise from signal lines, improving signal quality and reliability.
• Reduced Noise Emissions: Minimizes noise emitted from electronic devices, preventing interference with other devices.
• Increased System Reliability: Protects sensitive electronic components from noise and interference.
• Simplified Design: Facilitates easier integration into electronic circuits.

Additional Details

While specific technical specifications can vary, typical parameters for TDK's QVC series common mode chokes include:

• Inductance Range: Generally ranging from microhenries (µH) to millihenries (mH).
• Rated Current: Designed to handle currents from a few hundred milliamperes (mA) to several amperes (A).
• DC Resistance (DCR): Typically low to minimize power loss.
• Operating Temperature Range: Commonly -40°C to +85°C or higher.
• Termination Style: Usually Surface Mount Technology (SMT) for easy PCB assembly.

Refer to the official TDK datasheet for the QVC811171RT-2045 for precise specifications.