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