CORE ELECTRONICS PRODUCT INFORMATION. Iron Powder Core RF Carbonyl Core SMD Power Inductor Inductor CORE ELECTRONICS CO., LTD.

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1 CORE ELECTRONICS PRODUCT INFORMATION Iron Powder Core RF Carbonyl Core SMD Power Inductor Inductor

2 Company Profile Since the establishment in 1992, We, CORE Electronics, have been manufacturing and supplying high quality and low cost IRON POWDER CORE & RF CARBONYL CORE & SMD POWER INDUCTOR in order to meet the needs of the electronics industry. In order to meet current stream of digitalization and miniaturization, we developed high-frequency RF CARBONYL Core, which is used for lowest loss and highest efficiency product, first in Korea, 2nd in the world (next to Micrometals in USA). Now, we are producing the equivalent Micrometal s material #26, 52, 40, 2, 6, 8/90, 17, 3, 1, 18, 10, 14. We are supplying our high quality products to domestic market as well as overseas. Our product s quality was approved by various big customers in Korea such as Samsung Electronics, LG Electronics, etc. Also we are supplying our products to Japan, Taiwan, China market etc. We are trying to develop new products and dedicate our full effort to continuous research & development. By using this opportunity, we would like to make good business relationship with you for mutual success. Thank you very much for your kind reading. If you have interested in our product, please feel free to contact me anytime. Please visit our website, you can search the contents. (URL : Company History Foundation of CORE Electronics Co., Ltd. Development and produce Iron powder Core 1st enlargement of facility Development of RF Carbonyl Core E(#2),F(#6), G(#35),H(#17), J(#3),K(#1),L(#18),M(#10),N(#14) Selected as a Exporatation Incubating Enterprise from Korea Credit Guarantee Fund Selected as a Ciean Business Area from Korea Occupational Safety & Healty Agency Acquisition of QS-9000 from Korea Management Association Participation in INNO-TECH SHOW 2003 in Coxe Participation in Techno - Frontier 2004(EMC JAPAN 2004) Selected a Certificated of Venture enterprise Selected as a promising Exportation Company from SMBA Foundation of CORE Electronics Vietnam Co., Ltd. Participation in Techno - Frontier 2007(EMC JAPAN 2007) Participation in GITEX 2007 e- Trade Pavilion(Dubai) Participation in KES 2007(Korea) Participation in Vietnam National Trade Fair(2007) Customers Contents Domestic Company Profile 2 Material Property & Application 3 Magnetic Design Formulas 5 Toroiads Core 6 E Core 17 Metal Molding High Current inductor 19 Toroidal Choke coils 25 Magnetic Characteristcs 37 Core Loss Samsung Electronics Co., Ltd. Samsung Electro-Mechanics Co., Ltd.(SEM) LG Electronics Co., Ltd. Sambo(Trigem) Computer Co., Ltd. etc. Overseas Japan, Taiwan, China, Hong Kong, India, Finland etc. 31 ISO/TS

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10 Metal Molding High Current Inductor CORE ELECTRONICS SMD Power Inductors extend inductance range for low-profile, high-current inductors and provides efficient operation and power savings. It will be recommended for the application of high current and high frequency. Dimensions (Dimension : 6.5mm 6.5mm 3.0mm) (Dimension : 10mm 10mm 4.0mm) (Dimension : 12.7mm 12.7mm 3.5mm) Applications DC-to-DC converters, notebooks and desktop computers, LCD driver, cellular phone, transformers, TV game, computer devices, OA equipment, output ripple current filter, portable communication equip ments, VCR camera, etc.. SMD POWER INDUCTOR 17 18

11 CMI Metal Molding High Current Inductor CMI Metal Molding High Current Inductor Features Metal Molding Design Frequency Range up to 5 MHz Lowest DCR/uH Buzz Noise Suppression 100% Lead Free Applications PDA/Notebook/Desktop/Server Applications Low Profile, High Current Power Supplies Battery Powered Devices DC/DC Converters for Power System Distribution Mobile RF Repeater Electrical Specifications All Test Data is Referenced to 25 Ambient Measuring Condition : 100kHz, 100mV Tolerance of Inductance : ± 20% (1) Saturation Rated Current : 20% lower than its initial value (2) Temperature Rise Current : ΔT = 40 Temperature of components should be checked in the end application Operating Temperature : -55 ~

12 CMI Metal Molding High Current Inductor CMI Metal Molding High Current Inductor Features Metal Molding Design Frequency Range up to 5 MHz Lowest DCR/uH Buzz Noise Suppression 100% Lead Free Applications PDA/Notebook/Desktop/Server Applications Low Profile, High Current Power Supplies Battery Powered Devices DC/DC Converters for Power System Distribution Mobile RF Repeater Electrical Specifications All Test Data is Referenced to 25 Ambient Measuring Condition : 100kHz, 100mV Tolerance of Inductance : ± 20% (1) Saturation Rated Current : 20% lower than its initial value (2) Temperature Rise Current : ΔT = 40 Temperature of components should be checked in the end application Operating Temperature : -55 ~

13 CMI Metal Molding High Current Inductor CMI Metal Molding High Current Inductor Features Metal Molding Design Frequency Range up to 5 MHz Lowest DCR/uH Buzz Noise Suppression 100% Lead Free Applications PDA/Notebook/Desktop/Server Applications Low Profile, High Current Power Supplies Battery Powered Devices DC/DC Converters for Power System Distribution Mobile RF Repeater Electrical Specifications All Test Data is Referenced to 25 Ambient Measuring Condition : 100kHz, 100mV Tolerance of Inductance : ± 20% (1) Saturation Rated Current : 20% lower than its initial value (2) Temperature Rise Current : ΔT = 40 Temperature of components should be checked in the end application Operating Temperature : -55 ~

14 Toroidal Choke Coils Common mode chokes are used because many electrical devices may be connected to the same power lines (or power supply lines), substantial electrical noise can exist on these lines. Switching mode power supplies can generate a lot of high frequency noise which can travel over the power lines and interfere with the operation of computers and other electronic devices connected to the power lines. A common mode choke may be used to reduce a type of electrical noise known as common mode noise. Electro-magnetic interference (E.M.I.) in the circuit's environment is one source of electrical noise. E.M.I. induces or couples unwanted electrical signals into the circuit. It is desirable to filter out the unwanted noise signals without significantly affecting the desired signal. We have various type of items. Usually, Choke Coils, Line Filter are made to order. DIMESION Vertical Type (Core Size) Horizontal Type (Core Size) Applications Choke Coil for SMPS EMI Noise filter Low pass filter for Digital Amp PFC filter for PDP TV DC Reactor for PC Power transformer High Pass filter TV or Audio equipment, Telecommunication devices, Electronic contral board, RF Filters, Other Noise Filter TYPE V - TYPE Standard Base H - TYPE Standard Base Line Filter Line Filter is compact in size and large Inductance and have excellent electromagnetic noise suppression properties. TOROIDAL TYPE LINE FILTER Applications Choke Coil for SMPS EMI Noise filter Low pass filter for Digital Amp PFC filter for PDP TV DC Reactor for PC Power transformer High Pass filter TV or Audio equipment, Telecommunication devices, Electronic contral board, RF Filters, Other Noise Filter CORE ELECTRONICS makes Chokes Coils and LINE Filter in a wide variety of shapes and sizes

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19 All Information indicated in this catalog is as of August The specifications contained herein may be changeable without notice. Copyright 2008 by Core Electronics co.,ltd. All rights reserved. Core Electronics Co., Ltd Dangha-dong, Seo-ku, Incheon-City, Korea Tel / Fax emicore@emicore.co.kr Core Electronics(VIETNAM)Co., Ltd. No.30, Street 2, Vietnam Singapore Industrial Park 2, Ben Cat District, Binh Dung Province, VietNam Tel / Fax / H.P kyvn@emicore.co.kr