Shape and Size : (Dimensions are in mm)
Features : Ordering Information :
．High power , High saturation inductors. SMT DRRI 125 - 470 M
．With magnetic shield against radiation . (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 : Base on the inductance is 75%
．SMTDRRI64B 10~1000uH 1.35~0.14A more than its initial value and temperature rise
．SMTDRRI73 10~1000uH 1.68~0.16A ⊿t =40℃ lower.
．SMTDRRI74 10~1000uH 1.84~0.18A ．Operating temperature : -20 ℃ to 80 ℃ .
．SMTDRRI124 3.9~330uH 6.5~0.5A Applications :
．SMTDRRI125 1.3~1000uH 8.0~0.4A ．Power supply for VTRs .
．SMTDRRI127 1.2~47uH 9.8~2.5A ．LCD televisions .
．Test equipments : ．Notebook PCs .
L HP4284A or HP4285A 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
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 Measuring 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% @1kHz 0.25V
SHIELDED SMT POWER INDUCTORS
SMTDRRI 62B / 64B / 73 / 74 TYPE
Part No. L
(μH)
DC RESISTANCE RATED DC CURRENT
( OHM )MAX ( Amp )MAX
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 1.8 1.70
680 68 0.220 0.120 1.5 1.50
820 82 0.260 0.140 1.3 1.40
101 100 0.308 0.160 1.2 1.30
121 120 0.380 0.170 1.1 1.10
151 150 0.530 0.230 0.95 1.00
181 180 0.620 0.290 0.85 0.90
221 220 0.700 0.400 0.8 0.80
271 270 0.876 0.460 0.6 0.75
331 330 0.990 0.510 0.5 0.68
391 390 0.690 0.65
471 470 0.770 0.58
561 560 0.860 0.54
681 680 1.200 0.48
821 820 1.340 0.43
102 1000 1.530 0.40
Tolerance of Inductance and Measuring Freq. :
SMTDRRI124 3.9~330uH(M) ± 20% @ 100kHz 0.25V
SMTDRRI127 1.2~7.6 uH(N) +40% -20% @100kHz 0.25V; 10~47uH(M)±20% @1kHz 0.25V
SMTDRRI125 1.3~7.5 uH(N) +30% -20% @7.96MHz 0.25V; 10~1000uH(M)±20% @1kHz 0.25V
Part No. L
(μH)
SHIELDED SMT POWER INDUCTORS
SMTDRRI 124 / 125 / 127 TYPE
RATED DC CURRENT
( Amp )MAX
DC RESISTANCE
( OHM )MAX
