Accetek
A
1MH Series
Unshielded Power Inductor
FEATURES
High Q at high frequencies
Low DC-resistance
Inductance ratings from 1.0 to 1000 µH
Operating Temperature range from -40°C to +125°C (Including Self-heating)
B
PART NUMBER SYSTEM
1MH
❶
3225
❷
-
100
❸
M
❹
F
❺
❶
1MH
Series
Series Code
❷
Dimension Code (L*W*H) (mm)
3225 (3.2×2.5×2.0)
4532 (4.5×3.2×2.6)
❸
e.g.
2R2
100
101
Inductance Code
Calculation
2.2μH
10×10
0
μH
= 10μH
10×10
1
μH
= 100μH
RoHS Compliant
❹
K
M
Inductance Tolerance
±10%
±20%
❺
C
DRAWINGS AND DIMENSIONS
Drawings
D
C
E
A
F
E
I
I
Schematic
1
H
B
J
2
Case Size
1MH3225
1MH4532
Dimensions (mm)
A
3.2±0.3
4.5±0.3
B
2.5±0.3
3.2±0.3
C
2.0±0.3
2.6±0.3
D
ref
2.4±0.3
3.6±0.3
H
ref
2.8
3.6
I
ref
1.4
2.0
J
ref
1.0
1.4
D
SPECIFICATIONS
Accetek Electronics (Shenzhen) Co., Ltd.
www.accetek.com
Ver.:1MH‐2012A
1
Accetek
Inductance
1
Part Number
1MH3225-1R0MF
1MH3225-1R5MF
1MH3225-1R8MF
1MH3225-2R2MF
1MH3225-2R7MF
1MH3225-3R3MF
1MH3225-3R9MF
1MH3225-4R7MF
1MH3225-5R6MF
1MH3225-6R8MF
1MH3225-8R2MF
1MH3225-100MF
1MH3225-120KF
1MH3225-150KF
1MH3225-180KF
1MH3225-220KF
1MH3225-680KF
1MH3225-101KF
1MH3225-121KF
1MH3225-221KF
1MH3225-331KF
1MH3225-471KF
1MH4532-1R0MF
1MH4532-1R5MF
1MH4532-1R8MF
1MH4532-2R2MF
1MH4532-2R7MF
1MH4532-3R3MF
1MH4532-3R9MF
1MH4532-4R7MF
1MH4532-5R6MF
1MH4532-6R8MF
1MH4532-8R2MF
1MH4532-100MF
1MH4532-120MF
1MH4532-150MF
1MH4532-180MF
1MH4532-220KF
1MH4532-330KF
1MH4532-101KF
1MH4532-151KF
1MH4532-391KF
1MH4532-471KF
1MH4532-681KF
1MH4532-821KF
1MH4532-102KF
1.
2.
3.
4.
5.
μH
1.0
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
68
100
120
220
330
470
1.0
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
33
100
150
390
470
680
820
1000
Tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
DCR
2
Max.(Ω)
0.10
0.13
0.14
0.15
0.18
0.20
0.25
0.28
0.36
0.40
0.45
0.65
0.70
1.00
1.10
1.30
3.80
6.50
7.00
11.80
16.50
25.00
0.08
0.09
0.10
0.11
0.12
0.13
0.14
0.15
0.18
0.20
0.25
0.30
0.42
0.50
0.60
0.70
1.10
2.50
3.70
13.00
14.20
16.80
20.00
30.00
Irms (A)
0.75
0.66
0.64
0.62
0.60
0.58
0.54
0.49
0.44
0.42
0.39
0.32
0.29
0.27
0.24
0.22
0.13
0.10
0.095
0.075
0.065
0.055
1.80
1.75
1.70
1.60
1.50
1.40
1.32
1.24
1.18
1.10
1.00
0.95
0.80
0.73
0.68
0.63
0.43
0.27
0.22
0.11
0.105
0.090
0.085
0.070
3
1MH Series
Unshielded Power Inductor
SRF
typ.
Isat (A)
3.20
2.10
2.00
1.80
1.60
1.50
1.35
1.25
1.15
1.10
0.95
0.85
0.78
0.70
0.65
0.60
0.30
0.25
0.18
0.16
0.15
0.12
4.40
4.00
3.50
2.75
2.70
2.70
2.50
2.00
1.90
1.60
1.60
1.50
1.40
1.24
1.10
1.00
0.85
0.45
0.42
0.20
0.18
0.20
0.15
0.16
4
MHz
100
75
60
50
43
38
35
31
28
25
23
20
18
16
15
14
9
8
7
5
5
5
165
130
100
80
63
58
54
45
41
37
34
30
28
26
22
20
18
10
8
5
5
3
2
2
Q
ref.
20
20
20
20
20
20
20
20
20
20
20
35
35
35
35
35
35
40
40
40
40
40
40
42
45
40
40
45
40
36
36
36
36
48
48
45
42
50
55
60
55
50
50
45
50
28
Inductance measured @ 100KHz, 0.3V at 25°C temperature.
DCR measured @ 25°C.
Irms for an approximate 40°C rise from 20°C ambient temperature.
Isat for approximate 10% roll off at 25°C.
Specifications subject to change without notice please check our website for latest information.
E
TAPE AND REEL SPECIFICATIONS
Accetek Electronics (Shenzhen) Co., Ltd.
www.accetek.com
Ver.:1MH‐2012A
2
Accetek
D
1MH Series
Unshielded Power Inductor
P
P
0
P
1
H
A C
B
W
220
T
E
Case Size
1MH3225
1MH4532
Parts per Reel
2000
500
Reel Dimensions(REF)
A
330
330
B
100
100
C
13
13
D
12
16
E
8.5
12.5
W
8
12
Tape Dimensions(REF)
P
4
8
P
0
4
4
P1
2
2
H
2.4
3.5
T
0.25
0.30
F
RECOMMENDED SOLDER REFLOW PROFILE
Profile Feature
Average ramp-up rate
(Tsmax to Tp)
Preheat
Temperature Min (Ts
min
)
Temperature Max (Ts
max
)
Time (Ts
min
to Ts
max
)(ts)
Time maintained above:
Temperature (T
L
)
Time (t
L
)
Peak Temperature (Tp)
Time within 5 C of actual Peak
Temperature (tp)
2
Ramp-down Rate
Time 25
°
C to Peak Temperature
°
Recommended Conditions
3
°
C/second max.
100
°
C
150
°
C
60-180 seconds
217
°
C
60-150 seconds
See Table2
20-40 seconds
6
°
C/second max.
8 minutes max
Table 1
Package
Thickness
< 1.6mm
1.6mm - 2.5mm
>2.5mm
Volume mm
3
<350
260
°
C
260 C
250
°
C
Table 2
°
Volume mm
3
350 - 2000
260
°
C
250 C
245
°
C
°
Volume mm
3
>2000
260
°
C
245 C
245
°
C
°
1. The above profiles are based on IPC/JEDEC J-STD-020C.
2. Exceeding these conditions may cause lowered product
reliability.
Accetek Electronics (Shenzhen) Co., Ltd.
www.accetek.com
Ver.:1MH‐2012A
3
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