SD3114 Series Low Profile Power Inductors Description RoHS •125°C maximum total temperature operation 2002/95/EC •3.1mm x 3.1mm x 1.4mm shielded drum core •Ferrite core material •Inductance range from 1.0uH to 330uH •Current range from 2.59 Amps to 0.106 Amps •Frequency range up to 4MHz Applications •Cellular phones, Digital cameras, CD players, PDA’s •Small LCD displays •LED driver and LED flash circuits •Hard disk drives •Backlighting •EL panel Packaging Environmental Data •Supplied in tape and reel packaging, 4100 per reel •Storage temperature range:-40°C to +125°C •Operating temperature range:-40°C to +125°C (range is application specific) •Solder reflowtemperature:+260°Cmax.for 10 seconds maximum Part Number Rated OCL (1) Part Irms (2) Isat (3) DCR (Ω) K-factor Inductance (µH) Marking Amperes Amperes typ.@ (4) (µH) Designator 20°C SD3114-1R0-R 1.0 1.16+/-30% A 1.60 2.35 0.058 98 SD3114-1R5-R 1.5 1.44+/-30% B 1.39 2.11 0.077 79 SD3114-2R2-R 2.2 2.12+/-30% C 1.17 1.74 0.110 67 SD3114-3R3-R 3.3 3.36+/-30% D 0.95 1.38 0.167 54 SD3114-4R7-R 4.7 4.90+/-30% E 0.77 1.14 0.251 45 SD3114-6R8-R 6.8 6.72+/-30% F 0.71 0.98 0.296 37 SD3114-8R2-R 8.2 8.10+/-30% G 0.68 0.89 0.329 34 SD3114-100-R 10.0 10.4+/-30% H 0.57 0.78 0.458 30 SD3114-150-R 15.0 14.9+/-20% I 0.48 0.66 0.650 25 SD3114-220-R 22.0 22.5+/-20% J 0.43 0.53 0.821 21 SD3114-330-R 33.0 33.1+/-20% K 0.35 0.44 1.23 17 SD3114-470-R 47.0 47.5+/-20% L 0.280 0.37 1.86 14 SD3114-680-R 68.0 68.6+/-20% M 0.239 0.305 2.62 12 SD3114-820-R 82.0 81.8+/-20% N 0.227 0.280 2.91 11 SD3114-101-R 100.0 101.1+/-20% O 0.213 0.252 3.30 10 SD3114-151-R 150.0 149.0+/-20% P 0.172 0.207 5.07 8 SD3114-221-R 220.0 220.9+/-20% Q 0.140 0.170 7.67 6 SD3114-331-R 330.0 329.5+/-20% R 0.113 0.139 11.78 5 (1) Open Circuit Inductance Test Parameters:100kHz, 0.1V, 0.0Adc. (3) Isat Amperes peak for approximately 30% rolloff (@20°C) (2) Irms:DC current for an approximate DT of 40°C without core loss.Derating is (4) K-factor:Used to determine B p-p for core loss (see graph). necessary for AC currents.PCB layout, trace thickness and width, air-flow, and Bp-p = K*L*∆I, B p-p(mT), K:(K factor from table), L:(Inductance in uH), proximity of other heat generating components will affect the temperature rise.It ∆I(Peak to peak ripple current in Amps). is recommended that the temperature of the part not exceed 125°C under worst case operating conditions verified in the end application.

SD3114 Series Low Profile Power Inductors Mechanical Diagrams TOP VIEW BOTTOM VIEW RECOMMENDED PCB LAYOUT Pin #1 indicator 2.40 3.1 max. 1.40 Marking 3.7 max XXX 0.70 3.1 max. 1.2 typical SCHEMATIC SIDE VIEW 1 1.4 max Dimensions are in millimeters. 2 Part Marking: 3Digit Marking:(1st digit:Indicates inductance value per letter in Part Marking Designator);(2nd digit:Bi-weekly production date code);(3rd digit:Last digit of the year produced). Packaging Information 4.0 0 1.2 Dia 1.5 Dia. min. 2.00 ¡À 0 .05 +0.1/-0.0 A 1.75 1 B1 12.0 B o 10.25 +/-0.3 5.50 2 3.2 3.2 Ko A1 A SECTION A -A Ao 8.0 Ao = 3.9 mm A1 = 0.93 mm Bo = 3.60 mm Parts packaged on 13" Diameter reel, B1 = 1.25 mm Direction of feed 4,100 parts per reel. Ko = 1.60 mm DC Current vs.Temperature 90 80 70 C) (° 60 e s 50 Ri p. 40 m 30 e T 20 10 0 0 0. 05 0. 1 0. 15 0. 2 0. 25 0. 3 0. 35 0. 4 0. 45 Total Loss(W)

SD3114 Series Low Profile Power Inductors Core Loss 10 1MHz 1 500kHz 300kHz 0.1 200kHz 100kHz W) 50kHz ( 0.01 s s o L er 0.001 o C 0.0001 0.00001 0.000001 1 10 100 1000 Bp-p (mT) Inductance Characteristics OCL vs. Isat 120% 110% 100% 90% 80% al niti 70% -40°C i 60% L fo 50% % 25°C 40% 30% 20% 85°C 10% 0% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 110% 120% 130% PM-4128 3/07 Visit us on the Web at www.cooperbussmann.com ©Cooper Electronic 1225 Broken Sound Pkwy.Suite F Boca Raton, FL 33487 Technologies 2007 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.