Accetek
A
1MA Series
Shielded Power Inductor– Low DCR Type
FEATURES
Shielded Construction with very low DCR
Heating Current rating up to 17.9 Amps
Saturation Current rating up to 27.5 Amps
Inductance up to 1mH for all case size (129&159 size up to 2.2mH)
260°C reflow peak temperature qualified
Operating Temperature range from -40°C to +125°C (Including Self-heating)
High strength sealing epoxy with stable temperatures character to keep the parts strong at wide range temperatures:
(Typical Hardness: ShoreD86 @25°C, ShoreD70 @125°C)
Available up to 159 size (15.5×15.5×11.0mm) to meet with higher current requirements
Available for both Metal Base and Plastic Base from 73 to 129 size:
Plastic Base: Because of the one piece construction and better adhesion so they are more suitable for high vibration or shock applications
Metal Base: For general use and more competitive cost than Plastic base
B
PART NUMBER SYSTEM
1MA
❶
125
❷
-
100
❸
M
❹
F
❺
P
❻
❶
1MA
Series
Series Code
❷
Dimension Code (L*W*H) (mm)
73 (7.6×7.6×3.55)
74 (7.6×7.6×4.6)
125 (12.5×12.5×6.0)
127 (12.5×12.5×8.0)
129 (12.5×12.5×10.0)
❸
e.g.
2R2
100
101
Inductance Code
Calculation
2.2μH
10×10
0
μH
= 10μH
10×10
1
μH
= 100μH
Inductance Tolerance
±10%
±20%
±30%
❺
124 (12.5×12.5×4.5)
159(15.5×15.5×11.0)
RoHS Compliant
❹
K
M
N
❻
P
M
Base Type
Plastic Base
Metal Base
C
DRAWINGS AND DIMENSIONS
1
Schematic
2
1MA73
7.60 Max
[0,299]
2
A1
8.00
[0,315]
1
1
2
2.00
[0,079]
1,60
[0,063]
2,20
[0,087]
1
2
A2
8.00
[0,315]
1,5
[0,059]
2.00
[0,079]
3.55 Max
[0,140]
1,50
[0,059]
1,70
[0,067]
XXX
7.60 Max
[0.299]
3.55 Max
[0,140]
1.13
[0,044]
Land Pattern
Land Pattern
Accetek Electronics (Shenzhen) Co., Ltd.
www.accetek.com
Ver.:1MA‐2013A
1
Accetek
1MA74
7.60 Max
[0,299] 2
1MA Series
Shielded Power Inductor– Low DCR Type
B1
8.00
[0,315]
1
1
2
2.00
[0,079]
1,60
[0,063]
2,20
[0,087]
1
2
B2
8.00
[0,315]
1,5
[0,059]
2.00
[0,079]
4,60 Max
[0,181]
1,50
[0,059]
1,70
[0,067]
XXX
7.60 Max
[0.299]
4.60 Max
[0,181]
1.13
[0,044]
Land Pattern
Land Pattern
1MA124
C1
4,90 Typ
[0,193]
C2
13,80
[0,543]
5.00 Typ
[0,197]
5,50
[0,217]
3,85
[0,152]
12,50 Max
2
[0,492]
XXX
12,50 Max
[0,492]
1
1
2
1
2
4,50 Max
[0,177]
2,05 Typ
[0,081]
4,80 Max
[0,189]
2,50 Typ
[0,098]
Land Pattern
1MA125
D1
4,90 Typ
[0,193]
D2
13,80
[0,543]
5.00 Typ
[0,197]
5,50
[0,217]
3,85
[0,152]
12,50 Max
2
[0,492]
XXX
12,50 Max
[0,492]
1
1
2
1
2
6.00 Max
[0,236]
2,05 Typ
[0,081]
6.00 Max
[0,236]
2,50 Typ
[0,098]
Land Pattern
1MA127
E1
4,90 Typ
[0,193]
E2
13,80
[0,543]
5.00 Typ
[0,197]
5,50
[0,217]
3,85
[0,152]
12,50 Max
2
[0,492]
XXX
12,50 Max
[0,492]
1
1
2
1
2
8.00 Max
[0,315]
2,05 Typ
[0,081]
8.00 Max
[0,315]
2,50 Typ
[0,098]
Land Pattern
1MA129
F1
4,90 Typ
[0,193]
F2
13,80
[0,543]
5.00 Typ
[0,197]
5,50
[0,217]
3,85
[0,152]
12,50 Max
2
[0,492]
XXX
12,50 Max
[0,492]
1
1
2
1
2
10.00 Max
[0,394]
2,05 Typ
[0,081]
10.00 Max
[0,394]
2,50 Typ
[0,098]
Land Pattern
Accetek Electronics (Shenzhen) Co., Ltd.
www.accetek.com
Ver.:1MA‐2013A
2
Accetek
1MA159
1MA Series
Shielded Power Inductor– Low DCR Type
17.00
[0.669]
15.50 Max
[0.610]
2
XXX
15.50 Max
[0.610]
1
1
2
5.50 Typ
[0.217]
6.80
[0.268]
4.50
[0.177]
11.00 Max
[0.433]
2.50 Typ
[0.098]
Land Pattern
XXX = Inductance value
D
SPECIFICATIONS
Inductance
2
DCR
3
Tolerance
±30%
±30%
±30%
±30%
±30%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±30%
±30%
±30%
±30%
±30%
±20%
±20%
±20%
±20%
±20%
Typ.(Ω)
0.0074
0.0103
0.0132
0.0167
0.0259
0.0297
0.0435
0.0592
0.0656
0.0844
0.107
0.166
0.241
0.358
0.384
0.527
0.851
1.050
1.590
2.360
3.470
3.930
4.340
0.0074
0.0100
0.0115
0.0130
0.0183
0.0254
0.0350
0.0418
0.0441
0.0450
Max.(Ω)
0.0111
0.0155
0.0198
0.0234
0.0311
0.0356
0.0522
0.0690
0.0720
0.1013
0.128
0.199
0.289
0.430
0.461
0.632
1.021
1.260
1.908
2.832
4.164
4.716
5.208
0.0111
0.0150
0.0173
0.0182
0.0220
0.0305
0.0420
0.0460
0.0485
0.0490
Irms
4
(A)
6.19
5.25
4.64
4.11
3.31
3.09
2.55
2.19
2.08
1.83
1.62
1.31
1.08
0.89
0.86
0.73
0.58
0.52
0.42
0.35
0.29
0.27
0.26
6.20
5.33
4.96
4.66
3.94
3.34
3.00
2.60
2.53
2.41
Isat
5
(A)
11.00
6.40
5.60
4.80
4.20
3.60
2.90
2.70
2.20
1.80
1.50
1.20
1.00
0.85
0.80
0.76
0.53
0.49
0.40
0.33
0.26
0.23
0.21
12.50
10.20
7.50
6.50
5.20
4.10
3.90
3.70
3.30
2.80
Drawing Fig.
Metal Base
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
A1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
Plastic Base
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
Part Number
1
1MA73-R33NF_
1MA73-1R0NF_
1MA73-1R5NF_
1MA73-2R2NF_
1MA73-3R3NF_
1MA73-4R7MF_
1MA73-6R8MF_
1MA73-8R2MF_
1MA73-100MF_
1MA73-150MF_
1MA73-220MF_
1MA73-330MF_
1MA73-470MF_
1MA73-680MF_
1MA73-820MF_
1MA73-101MF_
1MA73-151MF_
1MA73-221MF_
1MA73-331MF_
1MA73-471MF_
1MA73-681MF_
1MA73-821MF_
1MA73-102MF_
1MA74-R33NF_
1MA74-1R0NF_
1MA74-1R5NF_
1MA74-2R2NF_
1MA74-3R3NF_
1MA74-4R7MF_
1MA74-5R6MF_
1MA74-6R8MF_
1MA74-8R2MF_
1MA74-100MF_
μH
0.33
1.00
1.50
2.20
3.30
4.70
6.80
8.20
10.0
15.0
22.0
33.0
47.0
68.0
82.0
100
150
220
330
470
680
820
1000
0.33
1.00
1.50
2.20
3.30
4.70
5.60
6.80
8.20
10.0
Accetek Electronics (Shenzhen) Co., Ltd.
www.accetek.com
Ver.:1MA‐2013A
3
Accetek
Inductance
2
Part Number
1
1MA74-120MF_
1MA74-150MF_
1MA74-180MF_
1MA74-220MF_
1MA74-270MF_
1MA74-330MF_
1MA74-390MF_
1MA74-470MF_
1MA74-560MF_
1MA74-680MF_
1MA74-820MF_
1MA74-101MF_
1MA74-121MF_
1MA74-151MF_
1MA74-181MF_
1MA74-221MF_
1MA74-271MF_
1MA74-331MF_
1MA74-391MF_
1MA74-471MF_
1MA74-561MF_
1MA74-681MF_
1MA74-821MF_
1MA74-102MF_
1MA124-R47NF_
1MA124-1R0NF_
1MA124-1R5NF_
1MA124-2R7NF_
1MA124-3R3NF_
1MA124-4R7MF_
1MA124-6R8MF_
1MA124-8R2MF_
1MA124-100MF_
1MA124-120MF_
1MA124-150MF_
1MA124-180MF_
1MA124-220MF_
1MA124-270MF_
1MA124-330MF_
1MA124-390MF_
1MA124-470MF_
1MA124-560MF_
1MA124-680MF_
1MA124-820MF_
μH
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100
120
150
180
220
270
330
390
470
560
680
820
1000
0.47
1.00
1.50
2.70
3.30
4.70
6.80
8.20
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
Tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±30%
±30%
±30%
±30%
±30%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
Typ.(Ω)
0.0500
0.0637
0.0835
0.0925
0.125
0.143
0.190
0.216
0.230
0.265
0.345
0.383
0.515
0.591
0.760
0.907
1.210
1.410
1.525
1.740
2.220
2.580
2.930
3.890
0.0045
0.0055
0.0087
0.0103
0.0115
0.0135
0.0210
0.0275
0.0268
0.0369
0.0486
0.0510
0.0603
0.0675
0.0817
0.0952
0.121
0.134
0.167
0.189
DCR
3
1MA Series
Shielded Power Inductor– Low DCR Type
Drawing Fig.
Max.(Ω)
0.0580
0.0764
0.0910
0.1100
0.150
0.170
0.228
0.259
0.276
0.318
0.414
0.460
0.618
0.709
0.912
1.088
1.452
1.692
1.830
2.088
2.664
3.096
3.516
4.668
0.0055
0.0063
0.0097
0.0115
0.0130
0.0160
0.0250
0.0290
0.0300
0.0380
0.0500
0.0567
0.0670
0.0750
0.0908
0.1058
0.134
0.149
0.186
0.210
Irms
4
(A)
2.17
2.11
1.84
1.75
1.50
1.41
1.22
1.15
1.11
1.03
0.91
0.86
0.74
0.69
0.61
0.56
0.48
0.45
0.43
0.40
0.36
0.33
0.31
0.27
9.50
8.50
7.80
6.80
6.30
6.00
5.20
4.67
3.90
3.65
3.40
3.19
3.14
2.86
2.60
2.39
2.10
2.01
1.80
1.72
Isat
5
(A)
2.50
2.20
2.00
1.90
1.70
1.50
1.30
1.20
1.10
1.00
0.90
0.80
0.70
0.65
0.62
0.59
0.55
0.49
0.45
0.41
0.38
0.36
0.30
0.27
20.90
18.40
10.64
9.69
8.46
8.52
6.52
5.98
5.72
5.02
4.58
4.28
3.76
3.46
3.14
2.72
2.66
2.34
2.10
1.80
Metal Base
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
Plastic Base
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
B2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
Accetek Electronics (Shenzhen) Co., Ltd.
www.accetek.com
Ver.:1MA‐2013A
4
Accetek
Inductance
2
Part Number
1
1MA124-101MF_
1MA124-121MF_
1MA124-151MF_
1MA124-181MF_
1MA124-221MF_
1MA124-271MF_
1MA124-331MF_
1MA124-391MF_
1MA124-471MF_
1MA124-561MF_
1MA124-681MF_
1MA124-821MF_
1MA124-102MF_
1MA125-R47NF_
1MA125-1R0NF_
1MA125-1R5NF_
1MA125-2R2NF_
1MA125-3R3NF_
1MA125-4R7MF_
1MA125-5R6MF_
1MA125-6R8MF_
1MA125-8R2MF_
1MA125-100MF_
1MA125-120MF_
1MA125-150MF_
1MA125-180MF_
1MA125-220MF_
1MA125-270MF_
1MA125-330MF_
1MA125-390MF_
1MA125-470MF_
1MA125-560MF_
1MA125-680MF_
1MA125-820MF_
1MA125-101MF_
1MA125-121MF_
1MA125-151MF_
1MA125-181MF_
1MA125-221MF_
1MA125-271MF_
1MA125-331MF_
1MA125-391MF_
1MA125-471MF_
1MA125-561MF_
μH
100
120
150
180
220
270
330
390
470
560
680
820
1000
0.47
1.00
1.50
2.20
3.30
4.70
5.60
6.80
8.20
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100
120
150
180
220
270
330
390
470
560
Tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±30%
±30%
±30%
±30%
±30%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
Typ.(Ω)
0.217
0.287
0.327
0.380
0.488
0.560
0.731
0.814
0.935
1.119
1.370
1.590
2.090
0.0018
0.0024
0.0040
0.0045
0.0063
0.0105
0.0115
0.0123
0.0170
0.0180
0.0230
0.0250
0.0290
0.0310
0.0400
0.0540
0.0580
0.0750
0.0850
0.0945
0.120
0.139
0.159
0.185
0.234
0.306
0.355
0.482
0.515
0.705
0.776
DCR
3
1MA Series
Shielded Power Inductor– Low DCR Type
Drawing Fig.
Max.(Ω)
0.241
0.319
0.363
0.422
0.543
0.622
0.813
0.904
1.039
1.326
1.523
1.767
2.323
0.0027
0.0036
0.0060
0.0063
0.0076
0.0126
0.0150
0.0180
0.0210
0.0250
0.0270
0.0300
0.0340
0.0360
0.0510
0.0570
0.0645
0.0820
0.0890
0.1050
0.129
0.146
0.170
0.230
0.246
0.335
0.400
0.494
0.533
0.733
0.800
Irms
4
(A)
1.65
1.42
1.30
1.21
1.00
0.95
0.87
0.79
0.76
0.67
0.62
0.58
0.50
17.60
13.18
10.21
9.96
9.09
7.04
6.45
5.59
5.54
5.11
4.81
4.56
4.29
4.17
3.50
3.31
3.11
2.71
2.65
2.44
2.20
2.07
1.92
1.65
1.59
1.37
1.25
1.12
1.08
0.92
0.88
Isat
5
(A)
1.64
1.62
1.36
1.34
1.18
1.04
1.00
0.91
0.81
0.76
0.68
0.61
0.56
25.00
16.50
14.40
11.70
10.40
8.72
7.26
7.12
6.75
5.87
4.92
4.56
4.35
3.86
3.34
3.06
2.93
2.53
2.39
2.30
2.05
1.79
1.62
1.50
1.33
1.22
1.05
0.95
0.88
0.83
0.77
Metal Base
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
C1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
D1
Plastic Base
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
C2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
D2
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