The ACH3218-330-T is a common mode choke manufactured by TDK Corporation, utilized for suppressing common mode noise in electronic devices. It is part of the ACH series, which are known for their compact size and effective noise filtering capabilities. The 'T' likely designates specific packaging or tolerance variations. This component is particularly effective at reducing noise on data and power lines, which helps in maintaining signal integrity and ensures compliance with electromagnetic compatibility (EMC) standards.

Applications

• Suppression of common mode noise in USB interfaces.
• Noise filtering in differential signaling applications, such as CAN bus systems.
• Noise reduction in Ethernet connections.
• Filtering power lines in various electronic equipment.
• Use in consumer electronics devices, including smartphones, tablets, and laptops, to meet EMC regulations.

Features

• Small physical dimensions (3.2 x 1.8 x 1.8 mm).
• High common mode impedance, providing effective noise attenuation.
• Excellent noise suppression characteristics across a wide frequency band.
• Designed for surface mount technology (SMT) assembly.
• RoHS compliant, adhering to environmental standards.

Benefits

• Enhances signal integrity by mitigating common mode noise effectively.
• Improves EMC performance, reducing the potential for interference.
• Minimizes susceptibility to external noise, promoting reliable device operation.
• Compact design allows for easy integration into small form factor products.
• Supports environmentally responsible manufacturing practices.

Specifications

The ACH3218-330-T has a common mode impedance of 33 ohms at 100 MHz. It is rated for a certain current, typically around 300mA, and has a low DC resistance to minimize power losses. The operating temperature range is generally -40°C to +85°C. It is designed for automated placement and reflow soldering processes in SMT assembly lines.