The SPM6550T-4R7M-H is a power inductor manufactured by TDK Corporation. It is part of the SPM series, known for its magnetic shield type wound inductor designed for power circuits. This inductor is characterized by its compact size and high efficiency, making it suitable for a variety of applications where space is a constraint.

Applications

• DC-DC converters
• Power supply circuits in portable devices
• Smartphones and tablets
• Notebook PCs
• Other compact electronic devices

Features

• Magnetic Shield Type: Reduces electromagnetic interference (EMI).
• Wound Inductor: Offers higher inductance and current handling capabilities compared to chip inductors.
• Compact Size: Enables miniaturization of electronic devices.
• High Efficiency: Minimizes power loss and improves overall system performance.
• Surface Mount Technology (SMT): Facilitates automated assembly.

Benefits

• Reduced EMI: The magnetic shield minimizes electromagnetic interference, preventing noise from affecting other components.
• Efficient Power Conversion: High efficiency reduces heat generation and improves battery life in portable devices.
• Space Saving: The compact size allows for denser circuit layouts.
• Reliable Performance: TDK's manufacturing quality ensures consistent performance and longevity.
• Easy Assembly: SMT design simplifies the manufacturing process.

Additional Details

The SPM6550T-4R7M-H has an inductance of 4.7µH. The 'T' in the part number suggests a specific terminal shape or material. It also features a low DC resistance, which further enhances efficiency. The operating temperature range is typically between -40°C to +125°C. Detailed electrical characteristics such as saturation current and rated current should be verified in the product datasheet. The dimensions are approximately 6.5mm x 6.5mm with a height of around 5.0mm. The inductor is RoHS compliant, signifying that it is free from hazardous substances.

The specific applications and performance characteristics are tailored for efficient power management in confined spaces. The magnetic shielding is particularly beneficial in densely populated circuit boards where minimizing interference is crucial for reliable operation.