The RCP1317NP-470M is a power inductor manufactured by Sumida America Components Inc. It is designed for use in a variety of power supply applications, including DC-DC converters, where it provides energy storage and filtering. This inductor is characterized by its high inductance value, low DC resistance, and compact size, making it suitable for space-constrained designs.

Applications:

• DC-DC Converters: Used as an energy storage element in buck, boost, and buck-boost converters.
• Power Supplies: Provides filtering and energy storage in various power supply circuits.
• Voltage Regulators: Used in voltage regulator circuits for stable and efficient voltage conversion.
• LED Drivers: Implemented in LED driver circuits to provide a stable current source for LEDs.
• Portable Devices: Suitable for power management in smartphones, tablets, and other portable electronic devices.
• Automotive Electronics: Used in automotive power supply systems for various applications such as infotainment and engine control.

Features:

• High Inductance Value: Provides efficient energy storage for DC-DC conversion.
• Low DC Resistance (DCR): Minimizes power losses and improves efficiency.
• High Saturation Current: Withstands high peak currents without significant inductance drop.
• Compact Size: Allows for use in space-constrained applications.
• Shielded Construction: Reduces electromagnetic interference (EMI) and minimizes noise.
• RoHS Compliant: Meets environmental regulations for hazardous substances.

Benefits:

• Improved Power Efficiency: Low DCR minimizes power losses, leading to higher efficiency in power supply circuits.
• Reduced EMI: Shielded construction reduces electromagnetic interference, improving system performance.
• Enhanced Stability: High saturation current ensures stable operation under high current conditions.
• Compact Design: Small size allows for integration into space-constrained applications.
• Reliable Performance: Robust construction ensures reliable performance over a wide range of operating conditions.
• Simplified Design: Easy to integrate into existing power supply designs, reducing development time.

Additional Details:

The RCP1317NP-470M features a ferrite core and is typically surface mountable. The 470M designation indicates an inductance value of 47µH. Important parameters include the saturation current, rated current, and DC resistance, which are detailed in the Sumida datasheet for this part. It is commonly used in switching regulators.