17.1
Shape and Size : (Dimensions are in mm)
Features : Ordering Information :
．High power , High saturation inductors. SMT DRRI 125 - 470 M
．With magnetic shield against ra diation . (1) (2) (3) (4)
．Directly connected electrode on ferrite core . (1)Type : Surface Mountable Type .
．Highly accurate dimensions for automatic (2)Style : DR Core with RI Shield .
mounting (3)Inductance : 470 for 47 uH .
(4)Inductance tolerance : M : ±20% .
Inductance and rated current ranges : Characteristics :
．SMTDRRI62B 2.9~330uH 1.94~0.19A ．Rated DC Current: It is either the inductance is 25% lower is
．SMTDRRI64B 10~1000uH 1.35~0.14A than its initial value in D.C. saturation characteristics or
．SMTDRRI73 10~1000uH 1.68~0.16A temperature raise becomes △T=40℃ (Ta=20℃),
whichever lower.
．SMTDRRI74 10~1000uH 1.84~0.18A ．Operating temperature : -30 ℃ to 105 ℃ .
．SMTDRRI124 3.9~330uH 6.5~0.5A Applications :
．SMTDRRI125 1.3~1000uH 8.0~0.4A ．Power supply for VTRs .
．SMTDRRI127 1.2~1000uH 9.8~0.55A ．LCD televisions .
．Test equipments : ．Notebook PCs .
L Agilent 4284A or Agilent 4285A LCR meter . ．Portable communication equipment .
DCR tested by Milli-ohm meter . ．DC/DC converters,etc.
．Electrical specifications at 25℃.
SHIELDED SMT POWER INDUCTORS
SMTDRRI 62B/64B/73/74/124/125/127 TYPE
17.2
L DC Resistance Rated DC Current
Part No. ( OHM )Max. ( Amp )Max.
(μH) DRRI62B DRRI64B DRRI73 DRRI74 DRRI62B DRRI64B DRRI73 DRRI74
2R9N 2.9 0.068 1.94
4R0N 4.0 0.080 1.63
5R5N 5.5 0.096 1.40
100M 10 0.15 0.12 0.072 0.049 1.10 1.35 1.68 1.84
120M 12 0.20 0.13 0.098 0.058 1.00 1.22 1.52 1.71
150M 15 0.23 0.18 0.130 0.081 0.90 1.11 1.33 1.47
180M 18 0.27 0.24 0.140 0.091 0.80 1.02 1.20 1.31
220M 22 0.34 0.27 0.190 0.110 0.74 0.91 1.07 1.23
270M 27 0.38 0.30 0.210 0.150 0.66 0.82 0.96 1.12
330M 33 0.45 0.33 0.240 0.170 0.59 0.74 0.91 0.96
390M 39 0.49 0.37 0.320 0.230 0.54 0.69 0.77 0.91
470M 47 0.69 0.52 0.360 0.260 0.50 0.62 0.76 0.88
560M 56 0.78 0.56 0.470 0.350 0.46 0.58 0.68 0.75
680M 68 1.07 0.63 0.520 0.380 0.42 0.51 0.61 0.69
820M 82 1.21 0.71 0.690 0.430 0.38 0.46 0.57 0.61
101M 100 1.39 1.03 0.790 0.610 0.34 0.42 0.50 0.60
121M 120 1.90 1.15 0.890 0.660 0.31 0.38 0.49 0.52
151M 150 2.18 1.68 1.270 0.880 0.28 0.35 0.43 0.46
181M 180 2.77 1.87 1.450 0.980 0.26 0.32 0.39 0.42
221M 220 3.12 2.08 1.650 1.170 0.23 0.29 0.35 0.36
271M 270 4.38 2.37 2.310 1.640 0.22 0.26 0.32 0.34
331M 330 4.94 2.67 2.620 1.860 0.19 0.23 0.28 0.32
391M 390 2.94 2.940 2.850 0.22 0.26 0.29
471M 470 3.93 4.180 3.010 0.20 0.24 0.26
561M 560 5.43 4.670 3.620 0.18 0.22 0.23
681M 680 7.32 5.730 4.630 0.17 0.19 0.22
821M 820 8.24 6.540 5.200 0.15 0.18 0.20
102M 1000 9.26 9.440 6.000 0.14 0.16 0.18
Tolerance of Inductance and Mea suring Freq. :
SMTDRRI62B 2.9~5.5uH (N) +40% -20% @ 7.96MHz 0.25V; 10~330uH(M) ±20% @1kHz 0.25V
SMTDRRI64B. SMTDRRI73 . SMTDRRI74 10 ~1000uH(M) ±20% @1k Hz 0.25V
SHIELDED SMT POWER INDUCTORS
SMTDRRI 62B/64B/73/74 TYPE
17.3
L DC Resistance Rated DC Current
Part No. ( OHM )Max. ( Amp )Max.
(μH) DRRI124 DRRI125 DRRI127 DRRI124 DRRI125 DRRI127
1R2 1.2 7.0m 9.80
1R3 1.3 0.012 8.0
2R1 2.1 0.014 7.0
2R4 2.4 11.5m 8.00
3R1 3.1 0.017 6.0
3R5 3.5 13.5m 7.50
3R9 3.9 0.015 6.5
4R4 4.4 0.020 5.0
4R7 4.7 0.018 15.8m 5.7 6.80
5R8 5.8 0.021 4.40
6R1 6.1 17.6m 6.60
6R8 6.8 0.023 4.9
7R5 7.5 0.024 4.20
7R6 7.6 20.0m 5.90
100 10 0.028 0.025 21.6m 4.5 4.00 5.40
120 12 0.038 0.027 24.3m 4.0 3.50 4.90
150 15 0.050 0.030 27m 3.2 3.30 4.50
180 18 0.057 0.034 39.2m 3.1 3.00 3.90
220 22 0.066 0.036 43.2m 2.9 2.80 3.60
270 27 0.080 0.051 45.9m 2.8 2.30 3.40
330 33 0.097 0.057 64.8m 2.7 2.10 3.00
390 39 0.132 0.068 72.9m 2.1 2.00 2.75
470 47 0.150 0.075 100m 1.9 1.80 2.50
560 56 0.190 0.110 110m 1.8 1.70 2.35
680 68 0.220 0.120 140m 1.5 1.50 2.10
820 82 0.260 0.140 150m 1.3 1.40 1.95
101 100 0.308 0.160 220m 1.2 1.30 1.70
121 120 0.380 0.170 230m 1.1 1.10 1.60
151 150 0.530 0.230 250m 0.95 1.00 1.42
181 180 0.620 0.290 320m 0.85 0.90 1.30
221 220 0.700 0.400 360m 0.8 0.80 1.16
271 270 0.876 0.460 470m 0.6 0.75 1.06
331 330 0.990 0.510 520m 0.5 0.68 0.95
391 390 0.690 700m 0.65 0.88
471 470 0.770 980m 0.58 0.79
561 560 0.860 1.07 0.54 0.73
681 680 1.200 1.46 0.48 0.67
821 820 1.340 1.64 0.43 0.60
102 1000 1.530 1.80 0.40 0.55
Tolerance of Inductance and Mea suring Freq. :
SMTDRRI124 3.9~330uH(M) ± 20% @ 100kHz 0.25V
SMTDRRI125 1.3~7.5 uH(N) +30% -20% @7.96MHz 0.25V; 10~1000uH(M)±20% @1kHz 0.25V
SMTDRRI127 1.2~7.6 uH(N) +40% -20% @100kHz 0.25V; 10~1000uH(M)±20% @1kHz 0.25V
SHIELDED SMT POWER INDUCTORS
SMTDRRI 124/125/127 TYPE
