The SLF7745T-330YR90 is a shielded power inductor manufactured by TDK Corporation. It's designed for power supply circuits, especially DC-DC converters, where efficiency, compact size, and minimal electromagnetic interference (EMI) are essential. The magnetically shielded construction allows for high-density mounting of components while reducing noise.
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 to minimize EMI
- High current carrying capacity
- Low DC resistance (DCR) for improved 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 EMI allows for denser circuit layouts
- High efficiency minimizes power loss and heat generation
- Small footprint ideal for miniaturized electronics
- Reliable operation over a wide temperature range
- Stable inductance characteristics
Technical Specifications
The SLF7745T-330YR90 has an inductance of 33 µH (microhenries). The 'R90' likely indicates the saturation current, which is 0.90 A (Amperes), but this should be verified with the specific datasheet. The DC resistance (DCR) is low to minimize power losses. This is a surface-mount device (SMD) suitable for automated assembly. The component complies with RoHS (Restriction of Hazardous Substances) regulations, ensuring environmental compliance.
This inductor is suitable for applications requiring a balance of compact size, high current capabilities, and low EMI. Its robust construction and wide operating temperature range make it a reliable choice for a variety of environments.