The ACF451832-222-T is a common mode choke from TDK Corporation, designed to suppress common mode noise in differential signal lines. It's a surface mount device suitable for automated assembly processes.

Applications

• USB lines
• HDMI lines
• LVDS interfaces
• Automotive networks (CAN, LIN)
• General signal lines requiring common mode noise suppression

Features

• Impedance: 2200 Ohm at 100 MHz
• Rated Current: 300 mA
• DC Resistance: 1.2 Ohm (max)
• Operating Temperature: -40°C to +85°C
• Surface Mount Device (SMD)
• Compact size: 4.5 x 1.8 x 3.2 mm
• RoHS compliant

Benefits

• Effective suppression of common mode noise, improving signal integrity.
• Compact size allows for use in space-constrained applications.
• Low DC resistance minimizes signal attenuation.
• Wide operating temperature range allows for use in harsh environments.
• Suitable for high-speed data transmission lines.
• Reduces EMI (Electromagnetic Interference).

Additional Details

This common mode choke is designed to filter out unwanted noise that is common to both signal lines in a differential pair. By suppressing this common mode noise, the signal integrity of the differential signal is improved, resulting in more reliable data transmission. The ACF series from TDK is known for its high performance and reliability. The ACF451832-222-T specifically targets applications where a high impedance is required at higher frequencies. It is important to consult the datasheet for detailed performance characteristics and recommended usage guidelines. The component's construction and materials are optimized for high-frequency performance and long-term reliability. The high impedance at 100MHz is crucial for effectively blocking common-mode noise in that frequency range, which is common in many digital communication systems.