SHIELDED SMT POWER INDUCTORS SMTDRRI 74P/125P/127P TYPE Shape and Size : (Dimensions are in mm) Features : Ordering information : High Q over a wide frequency range. SMT DRRI74 P - With magnetic shield against radiation . 1 2 3 101 4 M- 4P 5 6 Directly connected electrode on ferrite core. 1.Type: Surface Mount Type Highly accurate dimensions for automatic mounting. 2.Style: L=7.3mm W=7.3mm H=4.5mm Winding to winding isolation 200 Vrms 3. Base type: plastify Resistance to soldering heat Max three 10 second reflows at 4.Inductance: 101 for 100uH +260C, parts cooled to room temperature between cycles 5.Inductance tolerance: K : 10% M 20% Moisture Sensitivity Level (MSL) 1 (unlimited floor life at 6.4P: 4 terminator <30C /85% relative humidity) Inductance and rated Current ranges : Characteristics : SMTDRRI74P 2.5~1000uH Saturation Current(Isat):The current when the inductance SMTDRRI125P 4.7~1000uH 10.3~0.69A SMTDRRI127P 4.7~1000uH 14.9~1.1A 6.3~0.31A becomes30% lower than initial value.(Ta=25C) Temperature Rise (Irms): The current when temperature of coil increases up to Max. (Ta=25) T=40 Operating temperature: -40 to 125C L: HP4284A PRECISION LCR METER. Applications : L Load :HP4284A WITH HP42841A CURRENT SOURCE Satellite communication systems DCR: CHEN HWA 502BC OHM METER TVs and audio equipment SRF: AGILENT E4991A RF IMPEDANCE ANALYZER Microwave equipment 17.6 SHIELDED SMT POWER INDUCTORS SMTDRRI 74P L Isat(A) 20% 10%drop DCR SRF Irms(A) Irms(A) (OHM) MHz both one (uH) typ typ typ max typ windings windings SMTDRRI74P-2R5-4P 2.5 6.00 6.20 6.30 0.036 55.0 2.17 3.06 SMTDRRI74P-3R3-4P 3.3 5.20 5.30 5.40 0.044 43.0 2.05 2.89 SMTDRRI74P-4R7-4P 4.7 4.10 4.30 4.60 0.051 35.0 1.74 2.46 SMTDRRI74P-5R6-4P 5.6 3.90 4.10 4.20 0.063 32.0 1.57 2.22 SMTDRRI74P-6R8-4P 6.8 3.70 3.80 3.90 0.070 30.0 1.49 2.10 SMTDRRI74P-8R2-4P 8.2 3.30 3.40 3.50 0.086 27.0 1.44 2.03 SMTDRRI74P-100-4P 10 2.80 2.90 3.00 0.100 22.0 1.24 1.76 SMTDRRI74P-120-4P 12 2.50 2.60 2.70 0.120 20.0 1.14 1.61 SMTDRRI74P-150-4P 15 2.20 2.30 2.40 0.140 18.0 1.09 1.54 SMTDRRI74P-180-4P 18 2.00 2.20 2.30 0.170 15.0 0.95 1.35 SMTDRRI74P-220-4P 22 1.90 2.00 2.10 0.220 13.5 0.84 1.19 SMTDRRI74P-270-4P 27 1.70 1.80 1.90 0.250 12.0 0.79 1.11 SMTDRRI74P-330-4P 33 1.50 1.60 1.70 0.30 11.0 0.76 1.07 SMTDRRI74P-390-4P 39 1.30 1.40 1.50 0.38 10.0 0.64 0.90 SMTDRRI74P-470-4P 47 1.20 1.30 1.40 0.42 9.5 0.61 0.86 SMTDRRI74P-560-4P 56 1.10 1.20 1.30 0.54 8.7 0.58 0.82 SMTDRRI74P-680-4P 68 1.00 1.10 1.20 0.64 7.3 0.51 0.72 SMTDRRI74P-820-4P 82 0.90 1.00 1.10 0.72 6.2 0.48 0.67 SMTDRRI74P-101-4P 100 0.80 0.92 0.98 0.90 5.5 0.45 0.63 SMTDRRI74P-121-4P 120 0.70 0.80 0.90 1.12 4.5 0.39 0.55 SMTDRRI74P-151-4P 150 0.65 0.76 0.80 1.35 4.0 0.34 0.48 SMTDRRI74P-181-4P 180 0.62 0.66 0.73 1.66 3.8 0.32 0.45 SMTDRRI74P-221-4P 220 0.59 0.62 0.66 2.20 3.5 0.30 0.42 SMTDRRI74P-271-4P 270 0.55 0.57 0.60 2.60 3.3 0.25 0.36 SMTDRRI74P-331-4P 330 0.49 0.52 0.54 3.20 3.0 0.24 0.34 SMTDRRI74P-391-4P 390 0.45 0.47 0.50 4.20 2.8 0.23 0.32 SMTDRRI74P-471-4P 470 0.41 0.43 0.46 4.70 2.6 0.20 0.28 SMTDRRI74P-561-4P 560 0.38 0.40 0.42 5.30 2.5 0.19 0.26 SMTDRRI74P-681-4P 680 0.36 0.37 0.38 7.00 2.3 0.18 0.25 SMTDRRI74P-821-4P 820 0.30 0.32 0.35 7.80 2.2 0.15 0.21 SMTDRRI74P-102-4P 1000 0.27 0.29 0.31 10.8 2.0 0.14 0.20 3L PART NO. Isat(A) Isat(A) 20%drop 30%drop 1. Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value. 2. DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value. 3. SRF measured using an Agilent/HP E4991A or equivalent. When leads are connected in parallel, SRF is the same value. 4. DC current, when applied to one winding, at which the inductance drops the specified amount from its value without current. 5. Equal current, when applied to each winding simultaneously, that causes a 40C temperature rise from 25C ambient. 6. Maximum current, when applied to one winding, that causes a 40C temperature rise from 25C ambient. 7. Electrical specifications at 25C. 17.7 SHIELDED SMT POWER INDUCTORS SMTDRRI 74P leads connected in parallel L DCR Isat(A) SRF 20% (OHM) 30%drop MHz (uH) max typ typ SMTDRRI74P-2R5-4P 2.5 0.018 6.30 55.0 SMTDRRI74P-3R3-4P 3.3 0.022 5.40 SMTDRRI74P-4R7-4P 4.7 0.026 SMTDRRI74P-5R6-4P 5.6 SMTDRRI74P-6R8-4P 6.8 SMTDRRI74P-8R2-4P 3L PART NO. leads connected in series L Irms(A) 25% DCR Isat(A) (OHM) 30%drop SRF MHz Irms (A) (uH) max typ typ 4.33 10.0 0.072 3.15 17.60 2.17 43.0 4.09 13.2 0.088 2.70 12.90 2.05 4.60 35.0 3.48 18.8 0.102 2.30 9.80 1.74 0.032 4.20 32.0 3.14 22.4 0.126 2.10 8.48 1.57 0.035 3.90 30.0 2.97 27.2 0.140 1.95 7.92 1.49 8.2 0.043 3.50 27.0 2.87 32.8 0.172 1.75 7.10 1.44 SMTDRRI74P-100-4P 10 0.050 3.00 22.0 2.49 40 0.20 1.50 5.75 1.24 SMTDRRI74P-120-4P 12 0.060 2.70 20.0 2.28 48 0.24 1.35 5.18 1.14 SMTDRRI74P-150-4P 15 0.070 2.40 18.0 2.18 60 0.28 1.20 4.59 1.09 SMTDRRI74P-180-4P 18 0.085 2.30 15.0 1.91 72 0.34 1.15 3.80 0.95 SMTDRRI74P-220-4P 22 0.110 2.10 13.5 1.68 88 0.44 1.05 3.38 0.84 SMTDRRI74P-270-4P 27 0.125 1.90 12.0 1.57 108 0.50 0.95 2.98 0.79 SMTDRRI74P-330-4P 33 0.150 1.70 11.0 1.51 132 0.60 0.85 2.68 0.76 SMTDRRI74P-390-4P 39 0.190 1.50 10.0 1.27 156 0.76 0.75 2.40 0.64 SMTDRRI74P-470-4P 47 0.21 1.40 9.50 1.22 188 0.84 0.70 2.23 0.61 SMTDRRI74P-560-4P 56 0.27 1.30 8.70 1.16 224 1.08 0.65 2.16 0.58 SMTDRRI74P-680-4P 68 0.32 1.20 7.30 1.02 272 1.28 0.60 1.73 0.51 SMTDRRI74P-820-4P 82 0.36 1.10 6.20 0.95 328 1.44 0.55 1.35 0.48 SMTDRRI74P-101-4P 100 0.45 0.98 5.50 0.89 400 1.80 0.49 1.18 0.45 SMTDRRI74P-121-4P 120 0.56 0.90 4.50 0.78 480 2.24 0.45 1.10 0.39 SMTDRRI74P-151-4P 150 0.675 0.80 4.00 0.68 600 2.70 0.40 0.82 0.34 SMTDRRI74P-181-4P 180 0.83 0.73 3.80 0.64 720 3.32 0.36 0.72 0.32 SMTDRRI74P-221-4P 220 1.10 0.66 3.50 0.59 880 4.40 0.33 0.63 0.30 SMTDRRI74P-271-4P 270 1.30 0.60 3.30 0.51 1080 5.20 0.30 0.58 0.25 SMTDRRI74P-331-4P 330 1.60 0.54 3.00 0.48 1320 6.40 0.27 0.53 0.24 SMTDRRI74P-391-4P 390 2.10 0.50 2.80 0.45 1560 8.40 0.25 0.48 0.23 SMTDRRI74P-471-4P 470 2.35 0.46 2.60 0.40 1880 9.40 0.23 0.42 0.20 SMTDRRI74P-561-4P 560 2.65 0.42 2.50 0.37 2240 10.6 0.21 0.39 0.19 SMTDRRI74P-681-4P 680 3.50 0.38 2.30 0.35 2720 14.0 0.19 0.34 0.18 SMTDRRI74P-821-4P 820 3.90 0.35 2.20 0.30 3280 15.6 0.175 0.32 0.15 SMTDRRI74P-102-4P 1000 5.40 0.31 2.00 0.28 4000 21.6 0.155 0.28 0.14 1. Inductance shown for coupled inductor and for two inductors connected in parallel. 2. Inductance is measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LC meter or equivalent. 3. DCR is for both windings when connected in parallel. DCR for each winding is twice the value. 4. SRF measured using Agilent/HP E4991A or equivalent. 5. DC current at which the inductance drops 30% (typ) from its value without current. 6. Current that causes a 40C temperature rise from 25C ambient. 7. DCR is for both windings. 8. Electrical specifications at 25C. 9. Inductance tolerance: 2.5uH~100uH tolerance can be done "M" 120uH~1000uH tolerance can be done "K" 17.8 SHIELDED SMT POWER INDUCTORS SMTDRRI 125P L Isat(A) DCR SRF Irms(A) Irms(A) 20% 30%drop (OHM) MHz both one (uH) typ max typ windings windings SMTDRRI125P-4R7-4P 4.7 10.30 0.036 32.0 3.16 4.47 SMTDRRI125P-5R6-4P 5.6 9.66 0.040 31.0 3.00 4.24 SMTDRRI125P-6R8-4P 6.8 9.21 0.048 28.0 2.75 3.88 SMTDRRI125P-8R2-4P 8.2 8.55 0.052 25.0 2.63 3.72 SMTDRRI125P-100-4P 10 7.40 0.060 22.0 2.45 3.46 SMTDRRI125P-120-4P 12 6.86 0.074 21.0 2.21 3.12 SMTDRRI125P-150-4P 15 6.09 0.085 17.6 2.06 2.92 SMTDRRI125P-180-4P 18 5.30 0.097 17.0 1.93 2.73 SMTDRRI125P-220-4P 22 5.01 0.116 15.0 1.76 2.49 SMTDRRI125P-270-4P 27 4.66 0.124 13.6 1.70 2.41 SMTDRRI125P-330-4P 33 4.22 0.134 12.7 1.64 2.32 SMTDRRI125P-390-4P 39 3.80 0.142 11.7 1.59 2.25 SMTDRRI125P-470-4P 47 3.25 0.174 8.7 1.44 2.03 SMTDRRI125P-560-4P 56 3.07 0.198 7.6 1.35 1.91 SMTDRRI125P-680-4P 68 2.83 0.216 6.1 1.29 1.83 SMTDRRI125P-820-4P 82 2.55 0.274 5.3 1.15 1.62 SMTDRRI125P-101-4P 100 2.20 0.322 5.0 1.06 1.50 SMTDRRI125P-121-4P 120 2.05 0.418 4.4 0.93 1.31 SMTDRRI125P-151-4P 150 1.82 0.476 4.0 0.87 1.23 SMTDRRI125P-181-4P 180 1.60 0.536 3.6 0.82 1.16 SMTDRRI125P-221-4P 220 1.51 0.691 3.2 0.72 1.02 SMTDRRI125P-271-4P 270 1.41 0.806 2.8 0.67 0.95 SMTDRRI125P-331-4P 330 1.28 1.09 2.5 0.57 0.81 SMTDRRI125P-391-4P 390 1.16 1.20 2.3 0.55 0.77 SMTDRRI125P-471-4P 470 1.00 1.59 2.1 0.48 0.67 SMTDRRI125P-561-4P 560 0.95 1.81 2.0 0.45 0.63 SMTDRRI125P-681-4P 680 0.88 2.06 1.8 0.42 0.59 SMTDRRI125P-821-4P 820 0.79 2.65 1.5 0.37 0.52 SMTDRRI125P-102-4P 1000 0.69 3.06 1.2 0.34 0.49 3L PART NO. 1. Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms,0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value. 3. DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value. 4. SRF measured using an Agilent/HP E4991A or equivalent. When leads are connected in parallel, SRF is the same value. 5. DC current, at which the inductance drops 30% (typ) from its value without current. It is the current flowing in one winding or the sum of the current flowing in both windings. 6. Equal current, when applied to each winding simultaneously, that causes a 40C temperature rise from 25C ambient. . 7. Maximum current, when applied to one winding, that causes a 40Ctemperature rise from 25C ambient. 8. Electrical specifications at 25C. 17.9 SHIELDED SMT POWER INDUCTORS SMTDRRI 125P leads connected in parallel 3L PART NO. L 20% DCR Isat(A) (OHM) 30%drop SRF MHz (uH) max typ typ SMTDRRI125P-4R7-4P 4.7 0.018 10.30 32.0 SMTDRRI125P-5R6-4P 5.6 0.020 9.66 SMTDRRI125P-6R8-4P 6.8 0.024 SMTDRRI125P-8R2-4P 8.2 SMTDRRI125P-100-4P leads connected in series L Irms(A) 25% DCR Isat(A) (OHM) 30%drop SRF MHz Irms(A) (uH) max typ typ 7.2 18.8 0.072 5.15 12.00 3.4 31.0 7.0 22.4 0.080 4.83 10.30 3.3 9.21 28.0 6.6 27.2 0.095 4.61 8.40 3.2 0.026 8.55 25.0 6.4 32.8 0.104 4.28 7.10 3.1 10 0.030 7.40 22.0 5.4 40.0 0.120 3.70 6.00 2.8 SMTDRRI125P-120-4P 12 0.037 6.86 21.0 5.2 48.0 0.147 3.43 5.80 2.7 SMTDRRI125P-150-4P 15 0.042 6.09 17.6 4.6 60 0.170 3.05 5.50 2.5 SMTDRRI125P-180-4P 18 0.048 5.30 17.0 4.4 72 0.194 2.65 5.00 2.2 SMTDRRI125P-220-4P 22 0.058 5.01 15.0 4.2 88 0.232 2.51 4.10 2.1 SMTDRRI125P-270-4P 27 0.062 4.66 13.6 3.7 108 0.248 2.33 3.50 1.9 SMTDRRI125P-330-4P 33 0.067 4.22 12.7 3.6 132 0.268 2.11 3.10 1.6 SMTDRRI125P-390-4P 39 0.071 3.80 11.7 3.2 156 0.284 1.90 2.80 1.5 SMTDRRI125P-470-4P 47 0.087 3.25 8.7 2.9 188 0.348 1.63 2.00 1.4 SMTDRRI125P-560-4P 56 0.099 3.07 7.6 2.7 224 0.396 1.54 2.00 1.3 SMTDRRI125P-680-4P SMTDRRI125P-820-4P 68 0.108 2.83 6.1 2.5 272 0.432 1.42 1.80 1.2 SMTDRRI125P-101-4P 82 100 0.137 0.161 2.55 2.20 5.3 5.0 2.3 1.9 328 400 0.548 0.642 1.28 1.10 1.60 1.40 1.1 1.0 SMTDRRI125P-121-4P 120 0.209 2.05 4.4 1.8 480 0.834 1.03 1.20 0.8 SMTDRRI125P-151-4P 150 0.238 1.82 4.0 1.7 600 0.952 0.91 1.10 0.78 SMTDRRI125P-181-4P 180 0.268 1.60 3.6 1.6 720 1.072 0.80 0.81 0.75 SMTDRRI125P-221-4P 220 0.346 1.51 3.2 1.5 880 1.382 0.76 0.74 0.71 SMTDRRI125P-271-4P 270 0.403 1.41 2.8 1.4 1080 1.61 0.71 0.63 0.65 SMTDRRI125P-331-4P 330 0.545 1.28 2.5 1.2 1320 2.18 0.64 0.60 0.56 SMTDRRI125P-391-4P 390 0.600 1.16 2.3 1.0 1560 2.40 0.58 0.52 0.50 SMTDRRI125P-471-4P 470 0.795 1.00 2.1 0.86 1880 3.18 0.50 0.43 0.41 SMTDRRI125P-561-4P 560 0.905 0.95 2.0 0.80 2240 3.62 0.48 0.36 0.38 SMTDRRI125P-681-4P 680 1.030 0.88 1.8 0.74 2720 4.12 0.44 0.32 0.35 SMTDRRI125P-821-4P 820 1.325 0.79 1.5 0.67 3280 5.30 0.40 0.27 0.32 SMTDRR125P-102-4P 1000 1.530 0.69 1.20 0.50 4000 6.12 0.35 0.23 0.29 1.Inductance shown for coupled inductor and for two inductors connected in parallel. 2 .Inductance is measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LC meter or equivalent. 3. DCR is for both windings when connected in parallel. DCR for each winding is twice the value. 5. SRF measured using Agilent/HP E4991A or equivalent. 6. DC current at which the inductance drops 30% (typ) from its value without current. 7. Current that causes a 40C temperature rise from 25C ambient. 8. DCR is for both windings. 9. Inductance tolerance:4.7uH~100uH tolerance can be done "M" ,120uH~1000uH tolerance can be done "K" 17.10 SHIELDED SMT POWER INDUCTORS SMTDRRI 127P 3L PART NO. SMTDRRI127P-4R7-4P SMTDRRI127P-5R6-4P SMTDRRI127P-6R8-4P SMTDRRI127P-8R2-4P SMTDRRI127P-100-4P SMTDRRI127P-120-4P SMTDRRI127P-150-4P SMTDRRI127P-180-4P SMTDRRI127P-220-4P SMTDRRI127P-270-4P SMTDRRI127P-330-4P SMTDRRI127P-390-4P SMTDRRI127P-470-4P SMTDRRI127P-560-4P SMTDRRI127P-680-4P SMTDRRI127P-820-4P SMTDRRI127P-101-4P SMTDRRI127P-121-4P SMTDRRI127P-151-4P SMTDRRI127P-181-4P SMTDRRI127P-221-4P SMTDRRI127P-271-4P SMTDRRI127P-331-4P SMTDRRI127P-391-4P SMTDRRI127P-471-4P SMTDRRI127P-561-4P SMTDRRI127P-681-4P SMTDRRI127P-821-4P SMTDRRI127P-102-4P L 20% (uH) 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000 Isat(A) 30%drop typ 14.9 13.4 13.1 10.8 10.5 9.6 9.1 8.0 6.8 6.5 5.6 5.5 5.2 4.5 4.1 3.8 3.4 3.2 2.8 2.5 2.3 2.1 1.9 1.7 1.6 1.5 1.3 1.2 1.1 DCR (OHM) max 0.038 0.046 0.048 0.050 0.058 0.062 0.072 0.080 0.096 0.12 0.15 0.16 0.18 0.19 0.21 0.28 0.30 0.41 0.46 0.51 0.69 0.90 1.02 1.12 1.43 1.69 2.29 2.55 2.83 SRF MHz typ 32.0 25.0 24.0 18.0 16.5 14.5 11.8 10.5 9.0 8.4 7.6 6.5 6.0 5.6 5.0 4.1 3.6 3.2 3.0 2.7 2.5 2.1 2.0 1.8 1.6 1.5 1.4 1.3 1.1 Irms(A) both windings 3.16 2.87 2.81 2.76 2.56 2.48 2.30 2.18 1.99 1.78 1.59 1.54 1.45 1.41 1.35 1.16 1.13 0.96 0.91 0.86 0.74 0.65 0.61 0.58 0.50 0.47 0.41 0.39 0.37 Irms(A) one windings 4.47 4.06 3.98 3.90 3.62 3.50 3.25 3.08 2.81 2.52 2.25 2.18 2.05 2.00 1.90 1.65 1.59 1.36 1.29 1.22 1.05 0.92 0.86 0.82 0.70 0.67 0.58 0.55 0.52 1. Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LCR meter or equivalent. When leads are connected in parallel, inductance is the same value. When leads are connected in series, inductance is four times the value. 2. DCR is for each winding. When leads are connected in parallel, DCR is half the value. When leads are connected in series, DCR is twice the value. 3. SRF measured using an Agilent/HP E4991A or equivalent. When leads are connected in parallel, SRF is the same value. 4. DC current, at which the inductance drops 30% (typ) from its value without current. It is the current flowing in one winding or the sum of the current flowing in both windings. 5. Equal current, when applied to each winding simultaneously, that causes a 40C temperature rise from 25C ambient. 6. Maximum current, when applied to one winding, that causes a 40Ctemperature rise from 25C ambient. 7. Electrical specifications at 25C. 17.11 SHIELDED SMT POWER INDUCTORS SMTDRRI 127P leads connected in parallel 3L PART NO. L DCR Isat(A) 20% (OHM) 30%drop SRF MHz (uH) max typ typ SMTDRRI127P-4R7-4P 4.7 0.019 14.90 32.0 SMTDRRI127P-5R6-4P 5.6 0.023 13.40 SMTDRRI127P-6R8-4P 6.8 0.024 SMTDRRI127P-8R2-4P 8.2 SMTDRRI127P-100-4P leads connected in series L Irms(A) 25% DCR Isat(A) (OHM) 30%drop SRF MHz Irms(A) (uH) max typ typ 7.4 18.8 0.076 7.70 12.0 3.6 25.0 7.2 22.4 0.092 6.60 10.4 3.5 13.10 24.0 6.9 27.2 0.096 6.40 9.5 3.4 0.025 10.80 18.0 6.6 32.8 0.100 5.60 7.2 3.3 10 0.029 10.50 16.5 6.2 40.0 0.116 5.40 6.6 3.2 SMTDRRI127P-120-4P 12 0.031 9.60 14.5 6.0 48.0 0.124 4.80 5.4 2.9 SMTDRRI127P-150-4P 15 0.036 9.10 11.8 5.8 60 0.144 4.30 5.0 2.7 SMTDRRI127P-180-4P 18 0.040 8.00 10.5 5.5 72 0.158 3.90 3.8 2.5 SMTDRRI127P-220-4P 22 0.048 6.80 9.0 5.2 88 0.190 3.50 3.4 2.2 SMTDRRI127P-270-4P 27 0.060 6.50 8.4 4.7 108 0.240 3.40 3.2 2.0 SMTDRRI127P-330-4P 33 0.075 5.60 7.6 4.2 132 0.300 3.10 3.0 1.7 SMTDRRI127P-390-4P 39 0.080 5.50 6.5 3.6 156 0.320 2.80 2.6 1.6 SMTDRRI127P-470-4P 47 0.090 5.20 6.0 3.0 188 0.360 2.60 2.1 1.5 SMTDRRI127P-560-4P 56 0.095 4.50 5.6 2.8 224 0.380 2.40 2.0 1.4 SMTDRRI127P-680-4P 68 0.105 4.10 5.0 2.6 272 0.420 2.10 1.6 1.3 SMTDRRI127P-820-4P 82 0.140 3.80 4.1 2.3 328 0.560 1.90 1.3 1.2 SMTDRRI127P-101-4P 100 0.150 3.40 3.6 2.0 400 0.600 1.70 1.1 1.1 SMTDRRI127P-121-4P 120 0.205 3.20 3.2 1.9 480 0.820 1.60 1.0 1.0 SMTDRRI127P-151-4P 150 0.230 2.80 3.0 1.8 600 0.920 1.40 0.82 0.89 SMTDRRI127P-181-4P 180 0.255 2.50 2.7 1.7 720 1.020 1.30 0.70 0.84 SMTDRRI127P-221-4P 220 0.345 2.30 2.5 1.6 880 1.380 1.10 0.64 0.75 SMTDRRI127P-271-4P 270 0.450 2.10 2.1 1.5 1080 1.80 1.00 0.55 0.71 SMTDRRI127P-331-4P 330 0.510 1.90 2.0 1.3 1320 2.04 0.92 0.47 0.62 SMTDRRI127P-391-4P 390 0.560 1.70 1.8 1.1 1560 2.24 0.84 0.41 0.53 SMTDRRI127P-471-4P 470 0.765 1.60 1.6 0.87 1880 3.06 0.80 0.36 0.43 SMTDRRI127P-561-4P 560 0.845 1.50 1.5 0.83 2240 3.38 0.73 0.31 0.40 SMTDRRI127P-681-4P 680 1.145 1.30 1.4 0.76 2720 4.58 0.63 0.30 0.36 SMTDRRI127P-821-4P 820 1.275 1.20 1.3 0.69 3280 5.10 0.58 0.24 0.33 SMTDRR127P-102-4P 1000 1.415 1.10 1.1 0.60 4000 5.66 0.56 0.20 0.30 1. Inductance shown for coupled inductor and for two inductors connected in parallel. 2. Inductance is measured at 100 kHz, 0.1 Vrms, 0 Adc on an Agilent/HP 4284A LC meter or equivalent. 3. DCR is for both windings connected in parallel. DCR for each winding is twice the value. 4. SRF measured using an Agilent/HP E4991A or equivalent. 5. DC current at which the inductance drops 30% (typ) from its value without current. 6. Current that causes a 40C temperature rise from 25C ambient. 7. DCR is for both windings. 8. Inductance tolerance:4.7uH~100uH tolerance can be done "M" ,120uH~1000uH tolerance can be done "K" 17.12