E-mail | Site Map Home News Products About Sunlord Investor Relations Home > News > Product News Small and Slim Metal Material Power Inductor for Large Current Application Overview WPN series SMD power inductors use Fe base metal material core winding by copper wires of 180 centigrade degree and coat with magnetic-resin as shielded construction. It provides larger current, lower RDC compared with ferrite power inductor, and especially is applicable for portable equipments requiring large power, such as smart phone, tablet PC, and so on. Background With the trends of miniaturization, high performance and multi-functions of portable equipments, such as smart phone, the key component of DC-DC switching conversion circuit, power inductors, functioned as storage energy and choke, were required for large saturation current, small and slim. The performance of ferrite power inductor used at the moment can’t meet the requirements of smart phones with multi-cores, large size screen, ultra-thin and multi-functions. The Fe base metal material has excellent magnetic saturation characteristics, and is always manufactured ultra-current power inductor with size 6mm and over by molding technology, which is applied in note-book PCs. By ingredients formulation, different size particles combination, pretreatment for metal material, it can be manufactured metal core by dry press technology. The features of the metal core include continuous thin layer of oxide with high crystallization on the core surface which can achieve good shock resistance and insulativity; the core density is closer to the theoretical data compared with molding core which can ensure high permeability to achieve low DCR. WPN series SMD power inductor is manufactured by dry press metal core, and thus provides larger saturation current than ferrite inductor, and at the same time shows excellent performance, which can satisfied the electronic equipments well. Meanwhile WPN series has the same automatic manufacturing platform with SWPA series which ensure plenty capacity, stable and consistency product quality. Features Fe base metal material core provides large saturation current Low DCR decreases power loss Magnetic-resin shielded construction reduces leakage flux and Electro Magnetic Interference (EMI) Metallization on metal core results in excellent shock resistance and damage-free durability Small and slim take up less PCB real estate Automatic production ensures high quality and consistency Applications Smart phones Tablet PCs, notebooks, desktop computers, servers Blue -ray disc recorders, set top boxes Portable gaming device, personal navigation systems, personal multimedia devices Dimensions Part Number Electrical Characteristics WPN201610H TYPE Part Number Inductance DC Resistance Saturation Current Heat Rating Current @1MHz Max. Typ. Max. Typ. Max. Typ. Units μH Ω Ω A A A A Symbol L DCR Isat Irms WPN201610HR47MT 0.47±20% 0.047 0.041 4.00 4.70 2.70 3.10 WPN201610HR68MT 0.68±20% 0.065 0.057 3.45 4.00 2.45 2.80 WPN201610H1R0MT 1.0±20% 0.086 0.075 3.35 3.85 2.05 2.35 WPN201610H2R2MT 2.2±20% 0.163 0.142 1.90 2.15 1.30 1.50 Please refer to the catalog in the web (www.sunlordinc.com) to download the particular parameter. Production 2013.10, samples 2013.12, mass production Copyright © 2013-2015 Sunlord. All Rights Reserved. 粤ICP备08036621号 Mail System News|Products |Privacy Policy|About Sunlord