The TLA-3T112LF-T is a common mode choke coil manufactured by TDK Corporation. Common mode chokes are electronic components designed to suppress common mode noise in electronic circuits. This particular model is designed for surface mounting and is used in a variety of applications to reduce electromagnetic interference (EMI) and ensure signal integrity.

Applications

• USB Interfaces: Used to suppress noise in USB data lines.
• HDMI Interfaces: Reduces EMI in HDMI connections for clearer audio and video signals.
• LVDS Interfaces: Filters common mode noise in low-voltage differential signaling applications.
• Power Lines: Suppresses noise in power supply lines to ensure stable power delivery.
• Automotive Electronics: Employed in automotive systems to minimize interference from various electronic components.

Features

• High Common Mode Impedance: Provides effective suppression of common mode noise.
• Low Differential Mode Impedance: Minimally affects the desired differential signals.
• Surface Mount Design: Allows for automated assembly, reducing manufacturing costs.
• Compact Size: Small footprint enables integration into space-constrained applications.
• RoHS Compliant: Meets environmental standards for hazardous substance reduction.

Benefits

• Improved Signal Integrity: Ensures clean and reliable signal transmission by reducing noise.
• Reduced EMI: Minimizes electromagnetic interference, preventing malfunctions and ensuring regulatory compliance.
• Enhanced System Performance: Improves the overall performance of electronic devices by providing stable and noise-free operation.
• Cost-Effective Solution: Offers a high-performance noise suppression solution at a competitive cost.

Additional Details

The TLA-3T112LF-T common mode choke operates by presenting a high impedance to common mode currents while allowing differential mode currents to pass through with minimal impedance. This is achieved through the design of the coil, which typically consists of two windings wound on a single core. The common mode currents flow in the same direction through both windings, creating a magnetic field that opposes the current flow. Differential mode currents flow in opposite directions, resulting in a canceling magnetic field and minimal impedance. The choke is designed to operate over a broad frequency range, effectively suppressing noise across a wide spectrum. The surface mount design simplifies assembly and reduces the overall size of the component. TDK's manufacturing expertise ensures that the TLA-3T112LF-T meets stringent performance specifications and provides a reliable noise suppression solution. This is essential for modern electronic devices where signal integrity and EMI compliance are critical.