The SLF7745T-220Y1R0 is a shielded power inductor manufactured by TDK Corporation, primarily used in power supply circuits and DC-DC converters. It is designed for applications where a compact size and efficient performance are crucial. The shielded construction minimizes electromagnetic interference (EMI), allowing for denser circuit designs.

Applications

• DC-DC converters in portable devices
• Power supplies for LCD TVs and monitors
• Notebook and desktop computers
• Mobile communication devices (smartphones, tablets)
• LED lighting drivers

Features

• Magnetically shielded construction for low EMI
• High current carrying capacity
• Low DC resistance (DCR) for high efficiency
• Compact size (7.7 x 7.7 x 4.5 mm)
• Operating temperature range: -40°C to +125°C (including self-temperature rise)

Benefits

• Reduced electromagnetic interference allows for high-density mounting
• High efficiency minimizes power loss and reduces heat generation
• Small footprint ideal for miniaturized devices
• Reliable performance across a wide temperature range
• Stable inductance characteristics

Technical Specifications

The SLF7745T-220Y1R0 has an inductance of 22 µH (microhenries) with a tolerance that is generally standard for this type of inductor (likely ±20%, but needs verification from the datasheet). The saturation current is 1.0 A (Amperes). The DC resistance is designed to be low to minimize power losses. It is a surface-mount device (SMD) suitable for automated assembly. It is compliant with RoHS (Restriction of Hazardous Substances) regulations.

This inductor is well-suited for applications requiring a good balance between size, current handling, and EMI performance. Its robust design and wide operating temperature range make it suitable for various environments.