SMTDRRI SERIES
SHIELDED SMT POWER INDUCTORS.
Applications :
．Power
supply for VTRs.
．LCD
televisions.
．Notebook
PCs.
．Portable
communication equipment.
．DC/DC
converters,etc.
Shape and Dimensions (Dimensions are in mm) :
Item
SMTDRRI62B
SMTDRRI64B
SMTDRRI 73
SMTDRRI 74
SMTDRRI124
SMTDRRI125
SMTDRRI127
SMTDRRI129
A
6.2±0.3
6.2±0.3
7.3±0.2
7.3±0.2
12.0±0.3
12.0±0.3
12.0±0.3
12.0±0.5
B
5.9±0.3
5.9±0.3
7.3±0.2
7.3±0.2
12.0±0.3
12.0±0.3
12.0±0.3
12.0±0.5
C Max.
3.0
5.0
3.4
4.5
4.5
6.0
8.0
10.0
Item
SMTDRRI62B
SMTDRRI64B
SMTDRRI73
SMTDRRI74
SMTDRRI124
SMTDRRI125
SMTDRRI127
SMTDRRI129
H
1.9
1.9
2.2
2.2
5.4
5.4
5.4
5.4
I
1.4
1.4
1.6
1.6
2.9
2.9
2.9
2.9
J
4.6
4.6
4.8
4.8
7.0
7.0
7.0
7.0
Features :
．High
power , High saturation inductors.
．With
magnetic shield against radiation .
．Directly
connected electrode on ferrite core .
．Highly
accurate dimensions for automatic mounting
Product identification :
SMT
(1)
DRRI 125
(2)
-
470
(3)
M
(4)
(1)Type :
Surface Mountable Type
.
(2)Style :
DR
Core with
RI
Shield.
125
is size
(3)Inductance :
470
for
47
uH.
(4)Inductance tolerance :
M
:
±20%.
Characteristics :
．Rated
Current: It is either the inductance is 25%
lower is than its initial value in DC. saturation
characteristics or temperature raise becomes
△
T=40℃ (Ta=20℃), whichever lower.
Test equipments :
．Inductance
measured at 0Adc on HP 4284A LCR
meter or equivalent.
．DCR
measured on Chroma 16502 micro-ohmmeter
or equivalent.
．Electrical
specifications at 25℃.
3L Electronic Corp.
18.1
Web : http://www.3lcoil.com
．Operating
temperature : -30℃ to 105℃ .
Lasting. Leaning. Leading
l
SMTDRRI 62B / 64B / 73 / 74 series
DC Resistance
lnductance
(Ω)Max.
Part No.
L
(μH)
DRRI62B DRRI64B DRRI73
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
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
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
DRRI74
Rated Current
(A)Max.
DRRI62B DRRI64B DRRI73
1.94
1.63
1.40
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
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
DRRI74
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
Lasting. Leaning. Leading
3L Electronic Corp.
18.2
Web : http://www.3lcoil.com
l
SMTDRRI 124 / 125 / 127 series
lnductance
L
(μH)
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
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
0.023
0.024
20.0m
21.6m
24.3m
27.0m
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
4.50
4.00
3.20
3.10
2.90
2.80
2.70
2.10
1.90
1.80
1.50
1.30
1.20
1.10
0.95
0.85
0.80
0.60
0.50
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
0.018
0.021
17.6m
4.90
4.20
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
0.015
0.020
15.8m
5.70
4.40
6.60
0.017
13.5m
6.05
5.00
6.80
0.012
0.014
11.5m
6.00
7.50
Part No.
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
DRRI124
DC Resistance
(Ω)Max.
DRRI125
DRRI127
7.0m
DRRI124
Rated Current
(A)Max.
DRRI125
8.00
7.00
DRRI127
9.80
8.00
Tolerance of Inductance and Measuring Freq. :
SMTDRRI124
SMTDRRI125
SMTDRRI127
3.9~330uH(M)
±
20%
1.3~7.5 uH(N) +30% -20%
1.2~7.6 uH(N) +40% -20%
@ 100kHz 0.25V
@7.96MHz 0.25V; 10~1000uH(M)±20% @1kHz 0.25V
@100kHz 0.25V; 10~1000uH(M)±20% @1kHz 0.25V
Lasting. Leaning. Leading
3L Electronic Corp.
18.3
Web : http://www.3lcoil.com
l
SMTDRRI129 series
Part No.
1R0N
1R8N
2R5N
3R5N
4R7N
6R8N
7R5N
100N
120M
150M
220M
330M
470M
560M
680M
820M
101M
121M
151M
181M
221M
331M
471M
561M
681M
821M
102M
122M
152M
182M
222M
Stamp
1R0
1R8
2R5
3R5
4R7
6R8
7R5
10
120
150
220
330
470
560
680
820
101
121
151
181
221
331
471
561
681
821
102
122
152
182
222
Inductance
L
(uH)
1.0
1.8
2.5
3.5
4.7
6.8
7.5
10.0
12.0
15.0
22.0
33.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
330.0
470.0
560.0
680.0
820.0
1000.0
1200.0
1500.0
1800.0
2200.0
Test
Freq.
(1V)
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
100 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
1.0 KHz
DCR
(mΩ)
Max. (Typ.)
6.5 (4.4)
7.5 (5.2)
9.0 (6.4)
10.7(7.7)
12.0(8.9)
13.0(9.9)
15.0(11)
18.0(14)
19.0(15)
26.0(21)
29.0(23)
53.0(42)
63.0(50)
68.0(54)
93.0(74)
99.0(79)
126.0(101)
154.0(123)
174.0(139)
191.0(153)
246.0(197)
386.0(309)
471.0(377)
650.0(520)
730.0(584)
824.0(659)
1200.0(970)
1330.0(1110)
1990.0(1660)
2180.0(1820)
2580.0(2150)
I sat
(A)
Max.
19.9
13.4
12.2
12.0
10.1
8.56
8.48
7.12
7.04
5.84
5.12
4.25
3.60
2.85
2.76
2.62
2.31
2.05
1.80
1.66
1.64
1.28
1.06
1.01
0.83
0.81
0.70
0.64
0.56
0.48
0.43
I rms
(A)
Max.
11.6
11.0
10.3
8.70
8.40
7.10
6.80
6.95
6.20
5.22
4.95
3.60
3.45
2.95
2.85
2.60
2.45
2.20
1.90
1.86
1.72
1.28
1.25
0.98
0.96
0.94
0.78
0.79
0.58
0.54
0.52
Tolerance of Inductance and Measuring Freq. :
SMTDRRI129
1.0~10uH(N)
±30%
@100kHz 1.0V; 10~2200uH(M)±20% @1kHz 0.25V
* Due to the limited space, the catalogue shows the typical specifications only. For more specific details ( characteristics graph, reliability, and others),
kindly invite you to access 3L official website www.3lcoil.com for better known.
Lasting. Leaning. Leading
3L Electronic Corp.
18.4
Web : http://www.3lcoil.com
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