SMTC2120

RoHS
SMTC2120
SMD HIGH CURRENT TOROID
Dimensions:
mm
(Inches)
Recommended Pad Layout
Features
• High Current Capacity
• SMD
• Low Magnetic Radiation
Electrical
Inductance range: 1.0uh to 1000uh
(addtional values available)
Tolerance: 1.0uh~8.2uh 20%
10uh~1000uh 10%
Test Frequency: 1KHz 0.1v
Operating Temp: -55ºC ~ +105ºC
Storage Temp: -55ºC ~ +105ºC
Temp Rise: ∆ T=30ºC Typical at rated IDC
Resistance to Solder Heat
Solder Temp: 260ºC 10 sec. max
Test Equipment
Allied
Part
Number
L(uH)
± 20%
@1ΚΗΖ
DCR
m(Ω)
Max
SMTC2120-1R0M-RC
SMTC2120-1R2M-RC
1.0
1.2
2
2
SMTC2120-1R5M-RC
SMTC2120-1R8M-RC
SMTC2120-2R2M-RC
1.5
1.8
2.2
SMTC2120-2R7M-RC
SMTC2120-3R3M-RC
SMTC2120-3R9M-RC
SMTC2120-4R7M-RC
2.7
3.3
3.9
4.7
Packaging: 40 Bags, 400 Carton
Marking: EIA Inductance Code
Dim
A Max
mm / (in.)
25.4
25.4
34.4
39.2
20.83/(0.82)
20.83/(0.82)
3
3
3
22.0
22.0
19.7
35.6
32.9
29.5
20.83/(0.82)
20.83/(0.82)
20.83/(0.82)
3
4
4
5
19.7
18.0
18.0
16.6
26.3
34.0
21.8
20.0
20.83/(0.82)
20.83/(0.82)
20.83/(0.82)
20.83/(0.82)
SMTC2120-5R6M-RC
5.6
5
15.6
18.2
20.83/(0.82)
SMTC2120-6R8M-RC
6.8
6
14.7
16.7
20.83/(0.82)
8.2
6
14.7
15.1
20.83/(0.82)
SMTC2120-8R2M-RC
±10%
SMTC2120-100K-RC
SMTC2120-120K-RC
SMTC2120-150K-RC
SMTC2120-180K-RC
SMTC2120-220K-RC
SMTC2120-270K-RC
SMTC2120-330K-RC
SMTC2120-390K-RC
SMTC2120-470K-RC
SMTC2120-560K-RC
10
12
15
18
22
27
33
39
47
56
7
8
9
9
11
12
13
14
19
21
13.9
12.7
12.2
11.8
11.0
10.4
10.1
9.6
8.2
7.9
13.7
12.6
11.0
10.4
9.23
8.33
7.54
6.98
6.30
5.74
20.83/(0.82)
20.83/(0.82)
20.83/(0.82)
20.83/(0.82)
20.83/(0.82)
20.83/(0.82)
20.83/(0.82)
20.83/(0.82)
20.07/(0.79)
20.07/(0.79)
SMTC2120-820K-RC
68
82
29
32
6.7
6.4
5.29
4.84
19.56/(0.77)
20.10/(0.87)
SMTC2120-101K-RC
SMTC2120-121K-RC
SMTC2120-151K-RC
100
120
150
35
39
43
6.1
5.8
5.5
4.32
3.94
3.56
20.10/(0.87)
20.10/(0.87)
20.10/(0.87)
SMTC2120-181K-RC
SMTC2120-221K-RC
180
220
47
52
5.3
5.0
3.22
2.93
21.08/(0.83)
21.08/(0.83)
(L) & (DCR): HP4263
SMTC2120-680K-RC
Current Source: Model 1320 & 11021 LCR
Physical
IDC (A)
to decrease L
by 30%
IDC
(A)
SMTC2120-271K-RC
270
72
4.2
2.66
19.81/(0.78)
SMTC2120-331K-RC
330
100
3.6
2.50
19.81/(0.78)
SMTC2120-391K-RC
390
108
3.5
2.18
21.59/(0.85)
SMTC2120-471K-RC
SMTC2120-561K-RC
470
560
119
130
3.3
3.2
2.00
1.82
21.59/(0.85)
21.59/(0.85)
SMTC2120-681K-RC
680
142
3.0
1.67
21.59/(0.85)
SMTC2120-821K-RC
820
157
2.9
1.51
21.59/(0.85)
SMTC2120-102K-RC
1000
215
2.5
1.37
20.83/(0.82)
All specifications subject to change without notice.
714-665-1140
ALLIED COMPONENTS INTERNATIONAL
REVISED 06/09/11
Pg. 1 of 2
www.alliedcomponents.com
RoHS
SMTC2120
SMD HIGH CURRENT TOROID
Inductance vs. Current
L(uH)
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
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
IDC (A)
to decrease L
by 10%
15.3
17.4
15.8
14.6
13.1
11.7
15.1
9.70
8.90
8.10
7.40
6.70
6.10
5.60
4.90
4.60
4.10
3.70
3.35
3.10
2.80
2.55
2.35
2.15
1.92
1.75
1.58
1.43
1.30
1.18
1.11
0.97
0.89
0.81
0.74
0.67
0.61
IDC (A)
to decrease L
by 20%
24.5
27.9
25.3
23.4
21.0
18.7
24.2
15.5
14.3
13.0
11.9
10.7
9.77
8.97
7.85
7.37
6.57
5.93
5.37
4.97
4.49
4.09
3.76
3.44
3.08
2.80
2.53
2.29
2.08
1.89
1.78
1.55
1.43
1.30
1.19
1.07
0.98
IDC (A)
to decrease L
by 30%
34.4
39.2
35.6
32.9
29.5
26.3
34.0
21.8
20.0
18.2
16.7
15.1
13.7
12.6
11.0
10.4
9.23
8.33
7.54
6.98
6.30
5.74
5.29
4.84
4.32
3.94
3.56
3.22
2.93
2.66
2.50
2.18
2.00
1.82
1.67
1.51
1.37
IDC (A)
to decrease L
by 40%
45.9
52.2
47.4
43.8
39.3
35.1
45.3
29.1
26.7
24.3
22.2
20.1
18.3
16.8
14.7
13.8
12.3
11.1
10.1
9.30
8.40
7.65
7.05
6.45
5.76
5.25
4.74
4.29
3.90
3.54
3.33
2.91
2.67
2.43
2.22
2.01
1.83
IDC (A)
to decrease L
by 50%
61.3
69.7
63.3
58.5
52.5
46.9
60.5
38.9
35.7
32.4
29.6
26.8
24.4
22.4
19.6
18.4
16.4
14.8
13.4
12.4
11.2
10.2
9.41
8.61
7.69
7.01
6.33
5.73
5.21
4.73
4.45
3.89
3.57
3.24
2.96
2.68
2.44
All specifications subject to change without notice.
714-665-1140
ALLIED COMPONENTS INTERNATIONAL
REVISED 06/09/11
Pg. 2 of 2
www.alliedcomponents.com