KOHER Electronic
4546 BATES DRIVE, YORBLINDA CA 92886 USA
714-325-4789 Contact@kohergroup.com
www.kohergroup.com
Size 1870
SMD Low Profile High Current Molded Inductor
MDA Series
Electrical Properties:
Dimensions: [mm]
Land Pattern: [mm]
Marking
17.8±0.5
16.9±0.3
16.9±0.3
2.5±0.5
11.9±0.3
6.7±0.3
18.5
12.0
12.5
Tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
110
80.0
50.0
46.0
35.0
32.0
29.0
25.0
22.0
16.0
Satura�on
Current
Typ.
(A)
0.70
0.81
1.06
1.50
1.80
2.70
3.70
6.00
9.20
12.8
DC
Resistance
Typ.
(mΩ)
0.90
0.97
1.30
1.80
2.20
3.30
4.50
7.20
10.6
15.5
DC
Resistance
Max.
(mΩ)
60.0
56.0
46.0
39.0
32.0
30.0
28.0
24.0
21.0
16.0
Temperature
Rise Current
Typ.
(A)
Part No
MDA1870-R47M
MDA1870-R56M
MDA1870-1R0M
MDA1870-1R5M
MDA1870-2R2M
MDA1870-3R3M
MDA1870-4R7M
MDA1870-6R8M
MDA1870-100M
MDA1870-150M
Inductance
@ 100KHz/1V
(μH)
0.47
0.56
1.00
1.50
2.20
3.30
4.70
6.80
10.0
15.0
FEATURES
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■
■
■
■
■
■
■
■
Capable of corresponding high frequency .
Low loss realized with low DCR.
High performance (Isat) realized by metal dust core.
100% Lead(Pb)-Free and RoHS compliant.
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■
■
■
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APPLICATION
HVAC
���
Audio subsystem
Digital instrument cluster
Satura�on
Current
Max.
(A)
Temperature
Rise Current
Max.
(A)
55.0
50.0
42.0
35.0
30.0
28.0
26.0
22.0
19.0
14.0
100.0
70.0
45.0
40.0
32.0
29.0
26.0
22.0
19.0
14.0
A2
Typical Electrical Characteristics:
KOHER Electronic
4546 BATES DRIVE, YORBLINDA CA 92886 USA
714-325-4789 Contact@kohergroup.com
www.kohergroup.com
Tolerance
±20%
±20%
±20%
±20%
±20%
13.5
12.0
9.5
8.5
8.0
Satura�on
Current
Typ.
(A)
20.5
32.0
40.0
66.0
69.0
DC
Resistance
Typ.
(mΩ)
24.0
37.0
47.0
76.0
83.0
DC
Resistance
Max.
(mΩ)
13.5
12.0
9.5
8.0
6.5
Temperature
Rise Current
Typ.
(A)
Part No
MDA1870-220M
MDA1870-330M
MDA1870-470M
MDA1870-680M
MDA1870-820M
Inductance
@ 100KHz/1V
(μH)
22.0
33.0
47.0
68.0
82.0
INDUCTANCE (uH)
DC CURRENT(A)
0
0 6 12 18 24 30
3
6
9
12
15
0
20
40
60
80
100
TEMP. RISE(℃)
MDA1870-100M
INDUCTANCE (uH)
DC CURRENT(A)
0
0 8 16 24 32 40
2
4
6
8
10
0
20
40
60
80
100
TEMP. RISE(℃)
MDA1870-6R8M
INDUCTANCE (uH)
DC CURRENT(A)
0.0
0 8 16 24 32 40
1.2
2.4
3.6
4.8
6.0
0
20
40
60
80
100
TEMP. RISE(℃)
MDA1870-4R7M
INDUCTANCE (uH)
DC CURRENT(A)
0.00
0 24 48 72 96 120
0.12
0.24
0.36
0.48
0.60
0
20
40
60
80
100
TEMP. RISE(℃)
MDA1870-R47M
INDUCTANCE (uH)
DC CURRENT(A)
0.00
0 20 40 60 80 100
0.16
0.32
0.48
0.64
0.80
0
20
40
60
80
100
TEMP. RISE(℃)
MDA1870-R56M
INDUCTANCE (uH)
DC CURRENT(A)
0.0
0 12 24 36 48 60
0.4
0.8
1.2
1.6
2.0
0
20
40
60
80
100
TEMP. RISE(℃)
MDA1870-1R5M
INDUCTANCE (uH)
DC CURRENT(A)
0.0
0 10 20 30 40 50
0.6
1.2
1.8
2.4
3.0
0
20
40
60
80
100
TEMP. RISE(℃)
MDA1870-2R2M
INDUCTANCE (uH)
DC CURRENT(A)
0.0
0 15 30 45 60 75
0.3
0.6
0.9
1.2
1.5
0
20
40
60
80
100
TEMP. RISE(℃)
MDA1870-1R0M
INDUCTANCE (uH)
DC CURRENT(A)
0.0
0 8 16 24 32 40
0.8
1.6
2.4
3.2
4.0
0
20
40
60
80
100
TEMP. RISE(℃)
MDA1870-3R3M
Saturation Current will cause L to drop approximately 30%
Temperature Rise Current: The actual value of DC current when the temperature rise is △T=40°C
Temperature
Rise Current
Max.
(A)
Satura�on
Current
Max.
(A)
11.5
10.0
8.0
6.5
5.7
11.5
10.0
8.0
7.2
6.5
A2