The ACH3218-103-T is a common mode choke manufactured by TDK Corporation, specifically designed for suppressing common mode noise in electronic circuits. It belongs to the ACH series, which is recognized for its small size and high performance in noise filtering applications. The 'T' suffix often indicates a specific packaging or tolerance level. This choke is particularly effective in mitigating noise on data and power lines, ensuring signal integrity and electromagnetic compatibility (EMC).

Applications

• Common mode noise suppression in USB interfaces.
• Filtering noise in differential signal lines such as CAN bus.
• Noise reduction in Ethernet interfaces.
• Power line noise filtering in electronic devices.
• Use in consumer electronics, such as smartphones, tablets, and laptops, for EMC compliance.

Features

• Compact dimensions (3.2 x 1.8 x 1.8 mm).
• High common mode impedance across a broad frequency range.
• Excellent noise suppression characteristics.
• Designed for surface mount technology (SMT).
• RoHS compliant, ensuring environmental safety.

Benefits

• Improves signal integrity by effectively reducing common mode noise.
• Enhances EMC performance, minimizing interference with other devices.
• Reduces susceptibility to external noise, ensuring reliable operation.
• Space-saving design allows for use in compact electronic devices.
• Contributes to environmentally friendly product design.

Specifications

The ACH3218-103-T features a common mode impedance of 10000 ohms at 100 MHz. It is designed to handle a rated current of typically 300mA, with a low DC resistance to minimize power loss. The operating temperature range is generally -40°C to +85°C. The device is intended for reflow soldering processes common in SMT assembly.