Wurth Elektronik Shielded Wirewound Surface Mount Inductor with Ferrite Core 100 μH ±20% 790 mA Idc 74477720

Wurth Elektronik model 74477720 is a shielded wirewound Surface Mount Inductor featuring a ferrite core and an inductance value of 100 μH with ±20% tolerance. It supports a maximum DC current of 790 mA and is designed in a 7345 package size with dimensions of 7.3 mm length, 7.3 mm depth, and 4.5 mm height. This surface mount device is packaged on tape and reel, optimized for automated PCB assembly processes.

The inductor is magnetically shielded to reduce leakage magnetic fields, enhancing suitability for sensitive electronic applications such as switching regulators, DC-DC converters, and high-efficiency power circuits with efficiency above 86%. It is compliant with the automotive AEC-Q200 standard, making it reliable under demanding temperature and vibration conditions with an operating temperature range from -40°C to +125°C.

The core material is ferrite combined with wirewound construction technology, delivering high storage capacity and consistent inductance characteristics. The inductor's maximum DC resistance is 610 mΩ, allowing for efficient current flow with minimal loss. It has a maximum self-resonant frequency of 7.5 MHz, useful for filtering and power supply functions in electronic assemblies.

Further certifications include JEDEC JS709B, ROHS, REACH, and IEC 62024-2-2020, demonstrating Wurth Elektronik's commitment to quality and environmental compliance. The moulded design adds mechanical robustness suitable for automated solder reflow processes.

Common applications include switching regulators with low and high voltages, integrated DC-DC converters, and graphic cards. The plastic base construction offers enhanced vibration and shock resistance.

Magnetically shielded construction reduces leakage flux for enhanced performance. Compact 7345 package with dimensions 7.3 mm length, 7.3 mm depth, and 4.5 mm height. Designed for surface mount technology with tape and reel packaging for automated assembly.

Maximum DC resistance of 610 mΩ ensuring efficient current handling. Operating temperature range from -40°C to 125°C suitable for harsh environments. Complies with automotive standard AEC-Q200 for quality and reliability.

Core material is ferrite, supporting wirewound construction for stable inductance. Maximum self-resonant frequency of 7.5 MHz provides versatility in switching regulator circuits. Meets standards including JEDEC JS709B, REACH, RoHS, and IEC 62024-2-2020 certifications.

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