The Toko America Inc. TK17020M is a high-performance common mode choke designed for effective noise suppression in various electronic circuits. It is engineered to attenuate common mode noise while minimally impacting differential mode signals, ensuring signal integrity. Common mode chokes like the TK17020M are crucial for meeting EMC (Electromagnetic Compatibility) requirements and improving the overall performance of electronic devices.

Applications

• Suppression of Common Mode Noise in USB Interfaces: Used to filter noise in USB data lines.
• Filtering in Ethernet Interfaces: Implemented to reduce noise in Ethernet communication systems.
• Signal Line Noise Reduction in Audio Equipment: Integrated into audio circuits for clearer audio signals.
• Power Line Filtering: Employed in power supplies to minimize noise entering or exiting the system.
• Noise Reduction in Automotive Electronics: Utilized to filter noise in automotive communication and control systems.

Features

• High Common Mode Attenuation: Provides significant reduction of common mode noise across a wide frequency range.
• Low Differential Mode Impedance: Minimizes impact on differential signals, preserving signal integrity.
• Compact Size: Designed for space-constrained applications, allowing for easy integration into various devices.
• High Rated Current: Capable of handling substantial current without saturation, ensuring reliable performance.
• Wide Operating Temperature Range: Suitable for use in diverse environmental conditions, maintaining stable operation.

Benefits

• Improved EMC Performance: Helps electronic devices meet stringent EMC standards by effectively suppressing noise.
• Enhanced Signal Integrity: Preserves the quality of differential signals, ensuring accurate and reliable data transmission.
• Reduced Noise Interference: Minimizes the impact of noise on sensitive electronic circuits, enhancing overall system performance.
• Increased System Reliability: Prevents noise-related failures and ensures stable operation of electronic devices.
• Simplified Design: Allows for easier integration into existing designs, reducing development time and costs.

Additional Details

The TK17020M typically features a ferrite core material, contributing to its high permeability and effective noise suppression capabilities. Its impedance characteristics are carefully designed to match common interface requirements, providing optimal performance in target applications. The choke is available in surface mount packages, facilitating automated assembly processes. Specifications include impedance at specific frequencies, rated current, DC resistance, and insulation resistance. The specific inductance and attenuation characteristics can vary, depending on the frequency and operating conditions.