EATON BUSSMANN SD3814-331-R

SD38 Series Low Profile, Shielded Inductors Description RoHS 2002/95/EC • 3.8mm x 3.8mm shielded drum cores available in two heights: 1.2mm and 1.4mm • Current range from 4.44 to 0.100 Amps • Inductance range from 0.47 uH to 680 uH • Ferrite shielded, low EMI • Ferrite core material Applications • Digital cameras, cellular phones, CD players, and PDAs • PCMCIA cards • GPS systems Environmental Data • Storage temperature range: -40°C to +125°C Packaging • Operating ambient temperature range: -40°C to +85°C (range is application specific). Temperature rise is • Supplied in tape and reel packaging, approximately 40°C at rated rms current 4,150 parts per 13" reel • Solder reflow temperature: +260°C max for 10 seconds max. Part Number Rated OCL (1) Part Irms (2) Isat (3) DCR (4) Volt (5) Inductance +/-15% Marking Amperes Amperes (Ω) u-sec (μH) (μH) Designator Typ. Typ. SD3812-R47-R 0.47 0.405 A 2.53 3.89 0.030 2.52 SD3812-1R0-R 1.0 0.845 B 2.00 2.69 0.048 3.64 SD3812-1R2-R 1.2 1.125 C 1.71 2.33 0.066 4.20 SD3812-1R5-R 1.5 1.445 D 1.58 2.06 0.078 4.76 SD3812-2R2-R 2.2 2.205 E 1.32 1.67 0.111 5.88 SD3812-3R3-R 3.3 3.125 F 1.10 1.40 0.159 7.0 SD3812-4R7-R 4.7 4.805 G 0.87 1.13 0.256 8.7 SD3812-6R8-R 6.8 6.845 H 0.80 0.95 0.299 10.4 SD3812-8R2-R 8.2 8.405 I 0.690 0.854 0.406 11.5 SD3812-100-R 10.0 10.125 J 0.662 0.778 0.441 12.6 SD3812-150-R 15.0 15.125 K 0.539 0.636 0.665 15.4 SD3812-220-R 22.0 21.125 L 0.499 0.538 0.776 18.2 SD3812-330-R 33.0 32.805 M 0.399 0.432 1.212 22.7 SD3812-470-R 47.0 47.045 N 0.327 0.361 1.809 27.2 SD3812-680-R 68.0 68.445 O 0.269 0.299 2.666 32.8 SD3812-820-R 82.0 80.645 P 0.259 0.276 2.885 36 SD3812-101-R 100.0 99.405 Q 0.217 0.248 4.099 39 SD3812-151-R 150.0 149.645 R 0.178 0.202 6.130 48 SD3812-221-R 220.0 218.405 S 0.160 0.167 7.585 59 SD3814-R47-R 0.47 0.360 A 2.81 4.44 0.020 2.16 SD3814-R82-R 0.82 0.752 B 2.18 3.08 0.033 3.12 SD3814-1R2-R 1.2 1.001 C 1.85 2.67 0.046 3.60 SD3814-1R5-R 1.5 1.286 D 1.76 2.35 0.051 4.08 SD3814-2R2-R 2.2 1.962 E 1.43 1.90 0.077 5.04 SD3814-3R3-R 3.3 2.781 F 1.31 1.60 0.093 6.0 SD3814-4R7-R 4.7 4.276 G 1.06 1.29 0.141 7.4 SD3814-6R8-R 6.8 6.768 H 0.87 1.03 0.207 9.4 SD3814-8R2-R 8.2 8.228 I 0.753 0.930 0.279 10.3 SD3814-100-R 10.0 9.830 J 0.713 0.851 0.311 11.3 SD3814-150-R 15.0 14.458 K 0.574 0.702 0.481 13.7 SD3814-220-R 22.0 21.186 L 0.519 0.580 0.589 16.6 SD3814-330-R 33.0 32.151 M 0.418 0.471 0.908 20.4 SD3814-470-R 47.0 47.210 N 0.346 0.388 1.322 24.7 SD3814-680-R 68.0 67.324 O 0.285 0.325 1.951 29.5 (1) Test Parameters: 100KHz, 0.100Vrms, 0.0Adc. (4) DCR limits @ 20°C. (2) RMS current for an approximate ΔT of 40°C without core loss. It is (5) Applied Volt-Time product (V-uS) across the inductor at 100kHz necessary to recommended that the temperature of the part not exceed 125°C. generate a core loss equal to 10% of the total losses for 40°C temperature rise. De-rating is necessary for AC currents. De-rating of the Irms is required to prevent excessive temperature rise. (3) Peak current for approximately 30% rolloff at 20°C. SD38 Series Low Profile, Shielded Inductors Part Number Rated OCL (1) Part Irms (2) Isat (3) DCR (4) Volt (5) Inductance +/-15% Marking Amperes Amperes (Ω) u-sec (μH) (μH) Designator Typ. Typ. SD3814-820-R 82.0 81.101 P 0.270 0.296 2.174 32 SD3814-101-R 100.0 98.794 Q 0.228 0.268 3.048 36 SD3814-151-R 150.0 149.026 R 0.191 0.219 4.359 44 SD3814-221-R 220.0 217.342 S 0.170 0.181 5.480 53 SD3814-331-R 330.0 326.812 T 0.136 0.148 8.59 65 SD3814-471-R 470.0 470.031 U 0.111 0.123 12.85 78 SD3814-681-R 680.0 680.320 V 0.100 0.102 15.78 94 (1) Test Parameters: 100KHz, 0.100Vrms, 0.0Adc. (4) DCR limits @ 20°C. (2) RMS current for an approximate ΔT of 40°C without core loss. It is (5) Applied Volt-Time product (V-uS) across the inductor at 100kHz necessary to recommended that the temperature of the part not exceed 125°C. generate a core loss equal to 10% of the total losses for 40°C temperature rise. De-rating is necessary for AC currents. De-rating of the Irms is required to prevent excessive temperature rise. (3) Peak current for approximately 30% rolloff at 20°C. Mechanical Diagrams BOTTOM VIEW TOP VIEW SIDE VIEW 4.8 SD3812 Series MAX Pin #1 indicator 3.65 Marking 1.2 typ max (see note A) 0.09 max no plating 1.25 ±0.12 2.03 ±.02 4.0 4.0 max max 0.415 min RECOMMENDED PCB LAYOUT SCHEMATIC 1.0 2 plcs 2.5 2plcs 4.0 typ 5.0 Note A: 3 digit marking. First digit indicates inductance value per chart above. Second digit indicates bi-weekly date code. Third digit of year produced. Box indicates SD3814 part. TOP VIEW SD3814 Series SIDE VIEW BOTTOM VIEW 4.8 Pin #1 indicator MAX 1.4 Marking max 3.65 (see note A) typ 0.09 max no plating 1.25 ±0.12 2.03 ±.02 4.0 4.0 max max 0.415 min RECOMMENDED PCB LAYOUT 1.0 SCHEMATIC 2 plcs 2.5 2 plcs 4.0 typ 5.0 Note A: 3 digit marking. First digit indicates inductance value per chart above. Second digit indicates bi-weekly date code. Third digit of year produced. Box indicates SD3814 part. SD38 Series Low Profile, Shielded Inductors Packaging Information 4.00 1.5 Dia min. SD3812/SD3814 Series 1.5 Dia. 2.00 ± 0.05 +0.1/-0.0 1.75 12.0 Ao=5.1mm +/-0.3 Bo 5.50 Bo=4.6mm 4.5 4.5 Ko=1.6mm Ao Parts packaged on 13" Diameter reel, Ko 4,150 parts per reel. 8.0 SECTION A-A Direction of feed Inductance Characteristics OCL vs Isat OCL vs Isat SD3814 SD3812 100 100 90 90 80 80 70 70 60 60 50 50 40 40 30 30 20 20 10 10 0 0 0 10 20 30 40 50 60 70 80 90 10 11 12 13 14 15 16 0 10 20 30 40 50 60 70 80 90 100 110 120 130 0 0 0 0 0 0 0 % of Isat % of Isat Core Loss Irms DERATING WITH CORE LOSS % of Applied Volt-μSecond PM-4318 3/07 Visit us on the Web at www.cooperbussmann.com 1225 Broken Sound Pkwy. Suite F Boca Raton, FL 33487 © Cooper Electronic 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. OCL (%) % of Losses from Irms (maximum) OCL (%)