‧The GMIC/GM3C/GM4C series are minature.
‧SMT wire-wound open magnetic construction.
‧Low DCR, high current.
‧Low cost. GMIC
‧The dimensions(3.2x1.6x1.8mm) allow parallel mounting on 2.5mm centers.
‧The maximun current rating up to 970mA for 0.12µH GM3C
‧The dimensions(3.2x2.5x2.5mm).
‧The low DCR, high current & high inductance. GM4C
‧Low voltage drop an stable inductance with respect to temperature rise and DC current loading. GM6C
‧Low voltage drop and stable inductance with respect to temperature rise and DC current loading.
‧Inductance up to 10000 µH
APPLICATIONS
‧As choke in DC/DC converter & DC power supply circuits.
SHAPES & DIMENSIONS
PRODUCT IDENTIFICATION
GMCT --R
Product symbol Taping Inductance Tolerance ROHS
ELECTRICAL CHARACTERISTICS & NOTE
ELECTRICAL SPECIFICATION FOR GMIC/GM3C/GM4C SERIES
L
Inductance Value (µH)
Tolerance (±%)
Test Freq. (Mhz)
DC Resistance Max (Ohms)
Self Resonant Freq. (MHz) Min
Allowable Current (mA)
GM1C
GM3C
GM4C
GM1C
GM3C
GM4C
GM1C
GM3C
GM4C
R12
0.12
20
1
0.12
250
970
R22
0.22
20
1
0.15
250
850
R47
0.47
20
1
0.22
180
700
1R0
1.0
20
1
0.38
0.12
0.08
100
96
100
510
800
1080
1R5
1.5
20
1
0.09
85
1000
2R2
2.2
20
1
0.55
0.18
0.11
50
64
60
430
600
900
3R3
3.3
20
1
0.13
47
800
4R7
4.7
20
1
0.85
0.28
0.15
31
43
35
340
450
750
6R8
6.8
20
1
0.2
30
720
100
10
10
1
1.8
0.6
0.24
20
26
23
230
300
650
150
15
10
1
0.32
20
570
220
22
10
1
4.0
0.95
0.6
14
19
15
160
250
420
330
33
10
1
1.0
12
310
470
47
10
1
10.5
1.8
1.1
10
15
10
100
170
280
680
68
10
1
1.7
8.4
220
101
100
10
1
16.0
5.0
2.2
7
10
6.8
80
100
190
151
150
10
1
3.5
5.5
130
221
220
10
1
12
4.0
6.8
4.5
70
110
331
330
10
1
14
6.8
5.6
3.6
60
100
391
390
10
1
23
5.0
60
471
470
10
1
26
8.5
5.0
3.0
60
90
561
560
10
1
30
5.0
60
ELECTRICAL SPECIFICATION FOR GM 6C SERIES
L
Inductance Value (µH)
Tolerance (±%)
Test Freq. (Mhz)
DC Resistance Max. (Ohms)
Self Resonant Freq. (MHz) Min
Allowable Current (A)
GM6C
GM6C
GM6C
R12
0.12
20
1
0.0098
450
6.0
R27
0.27
20
1
0.014
300
5.3
R47
0.47
20
1
0.0182
200
4.8
1R0
1.0
20
1
0.0.268
150
4.0
1R5
1.5
20
1
0.0308
110
3.7
2R2
2.2
20
1
0.0406
80
3.2
3R3
3.3
20
1
0.0504
40
2.9
4R7
4.7
20
1
0.0574
30
2.7
6R8
6.8
20
1
0.1036
25
2.0
100
10
20
1
0.1302
20
1.7
150
15
20
1
0.21
17
1.4
220
22
20
1
0.266
15
1.2
330
33
20
1
0.448
12
0.9
470
47
20
1
0.56
10
0.8
680
68
20
1
0.938
7.6
0.64
101
100
20
0.1
1.204
6.5
0.56
151
150
20
0.1
2.66
5.0
0.42
221
220
20
0.1
3.36
4.0
0.32
331
330
20
0.1
6.16
3.1
0.27
471
470
20
0.1
7.56
2.4
0.24
681
680
20
0.1
11.34
1.9
0.19
102
1000
20
0.01
14.4
1.7
0.15
222
2200
20
0.01
30.1
1.2
0.10
472
4700
20
0.01
61.04
0.8
0.07
103
10000
20
0.01
140
0.5
0.05
1.DC current at which the inductance drops 10%(typ) from its value without curren.
2.Operating temperature range -25℃ to 85℃
CT
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