HIGH CURRENT 1 Power Inductors Description RoHS 2002/95/EC • Designed for high current, low voltage applications • Low DCR, high efficiency • Foil construction for higher frequency circuit designs • Suited for IR and vapor reflow solder • Frequency range 1kHz to 1MHz • Ferrite core material Applications • Next generation microprocessors • High current DC-DC converters • Computers Environmental Data • Storage temperature range: -40°C to +125°C • Operating ambient temperature range: -40°C to +85°C (range is application specific). • Solder reflow temperature: +260°C max. for 10 seconds max. Part Number HC1-R22-R HC1-R30-R HC1-R57-R HC1-R87-R HC1-1R0-R HC1-1R7-R HC1-2R3-R HC1-3R6-R HC1-5R1-R HC1-7R8-R HC1-100-R Rated Inductance µH 0.22 0.30 0.57 0.87 1.0 1.7 2.3 3.6 5.1 7.8 10 OCL (1) ± 15% µH 0.218 0.291 0.572 0.866 1.12 1.66 2.29 3.59 5.15 7.85 10.5 Irms (2) Amperes (Approx.) 51.42 51.42 37.83 28.01 28.01 22.30 22.30 16.76 12.79 12.79 12.79 1) OCL (Open Circuit Inductance) Test parameters: 300KHz, .25Vrms, 0.0Adc & Isat. 2) Irms Amperes for approximately ∆T of 40°C. DC current for an approximate ∆T of 40°C without core loss. Derating is necessary for AC currents. It is recommended that the temperature of the part not exceed 125°C under worst case operating conditions verified in the end application. Packaging • Supplied in tape and reel packaging, 250 per reel Isat (3) Amperes (Approx.) 40.5 31.8 33.4 31.0 25.4 22.2 16.7 13.4 11.2 6.7 5.3 DCR (Ω) Max. @ 20°C 0.00036 0.00036 0.00068 0.00123 0.00123 0.0020 0.0020 0.0035 0.0057 0.0057 0.0057 Volt-µSec (4) (VµS) (ref.) 1.83 1.83 3.66 5.49 5.49 7.33 7.33 9.16 10.99 10.99 10.99 3) Isat Amperes Peak for approximately 30% rolloff @ 20°C 4) Applied Volt-Time product (V-µS) across the inductor. This value represents the applied V-µS at 200kHz necessary to generate a core loss equal to 10% of the total losses for 40°C temperature rise. See Core Loss Graph. Units supplied in tape & reel packaging; 250 parts on 13" diameter reel. Mechanical Diagrams Dimensions in Millimeters xxx = Inductance value wwllyy = Date code R = Revision level HIGH CURRENT 1 Power Inductors Packaging Information 4.00 1.5 dia +0.1/-0.0 2.00 1.5 dia min 0.35 +/-0.05 A 1.7 1 11.50 . HC1-XXX wwllyy R 13.4 24.0 +/-0.3 2 2.0 10.3 A 20.00 SECTION A-A 13.4 User direction of feed Core Loss Irms DERATING WITH CORE LOSS 0 20 40 50 70 Hz 50 K 100 KH z 80 400 K 300 Hz KH z 200 KH z % of Losses from Irms (maximum) 60 90 92 94 95 96 97 98 99 10 20 30 40 50 60 70 80 90 100 % of Applied Volt-µ-Seconds 200 300 400 500 600 800 1000 HIGH CURRENT 1 Power Inductors Inductance Characteristics HC1 Inductor (R22, 7R8) 100 100 90 90 OCL (%) OCL (%) HC1 Inductor (R87) 80 80 70 70 60 60 50 50 0 10 20 30 40 50 60 70 80 90 100 110 120 0 10 20 30 40 50 % of Isat 100 100 90 90 80 80 OCL (%) OCL (%) 70 80 90 100 110 120 80 90 100 110 120 80 90 100 110 120 HC1 Inductor (R57, 2R3, 3R6, 5R1) HC1 Inductor (1R7) 70 70 60 60 50 50 0 10 20 30 40 50 60 70 80 90 100 110 120 0 10 20 30 40 50 60 70 % of Isat % of Isat HC1 Inductor (R30, 100) HC1 Inductor (1R0) 100 100 90 90 80 OCL (%) OCL (%) 60 % of Isat 80 70 70 60 60 50 50 0 10 20 30 40 50 60 70 80 90 100 110 120 0 10 20 30 40 % of Isat PM-4113 3/07 © Cooper Electronic Technologies 2007 50 60 70 % of Isat Visit us on the Web at www.cooperbussmann.com 1225 Broken Sound Pkwy. Suite F Boca Raton, FL 33487 Tel: +1-561-998-4100 Toll Free: +1-888-414-2645 Fax: +1-561-241-6640 This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper Electronic Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Life Support Policy: Cooper Electronic Technologies does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.