# 74477720 (Component) ## Description 100 µH Shielded Drum Core, Wirewound Inductor 790 mA 610mOhm Max Nonstandard The 74477720 is a surface-mount power inductor from Würth Elektronik designed for power supply and DC-DC converter applications. It is optimized for efficient energy storage, current filtering, and EMI reduction in compact electronic designs. This inductor is commonly used in switching regulators, embedded systems, industrial electronics, automotive circuits, and consumer devices where stable power delivery and low electromagnetic interference are important. Key Features Shielded SMD power inductor construction for reduced EMI Compact footprint suitable for space-constrained PCB layouts Designed for switching regulator and power conversion circuits Low DC resistance for improved efficiency High current handling capability Stable inductance characteristics over operating conditions Suitable for automated SMT assembly processes Commonly used in buck, boost, and filtering applications #CommonPartsLibrary #Inductor #SMD ## Component Details - **Owner:** adrian95 - **Created:** 5/13/2026 - **Last Updated:** 5/13/2026 - **Visibility:** Public - **Datasheet URL:** https://www.we-online.com/components/products/datasheet/74477720.pdf - **License:** https://creativecommons.org/licenses/by/4.0/ - **Inductance:** 100µH - **Manufacturer Name:** Würth Elektronik - **Part Type:** Inductor - **Manufacturer Part Number:** 74477720 ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Mouser](https://www.mouser.com/ProductDetail/Wurth-Elektronik/74477720?qs=u16ybLDytRb05rQCixKVTQ%3D%3D) | $2.16 | 6.7K | | [Verical](https://www.verical.com/pd/wurth-elektronik-surface-mount-74477720-13883597?utm_currency=USD) | N/A | N/A | - **Part Type:** Inductors - **Sub-Type:** Fixed - **Manufacturer:** Würth - **MPN:** 74477720 - **Mount Type:** Surface Mount - **Package / Case Code:** KEY-SMD - **Pin Count:** 2 - **Inductance:** 100µH ## Pins | Pin | Name | Type | |-----|------|------| | 1 | P1 | | | 2 | P2 | | --- *Generated from [https://www.flux.ai/adrian95/74477720~yfr](https://www.flux.ai/adrian95/74477720~yfr)*