SM2511 Series High Current Inductor
1. Features of SM2511 series
• Molded inductor structure. No audio noise.
• High saturation current realized by distributed gap metal dust core.
• Low profile: 3.0 mm max. height.
• Working frequency up to 3 MHz.
• Ideal for DC/DC converters, PDA, notebook, and server applications.
• T&R quantity: 1000 pieces per reel.
• RoHS and Halogen Free (HF) Compliant
2. Electrical Characteristics of SM2511 series:
ITG Part Number
SM2511-R10MHF
SM2511-R22MHF
SM2511-R33MHF
SM2511-R47MHF
SM2511-R68MHF
SM2511-R82MHF
SM2511-1R0MHF
SM2511-1R5MHF
SM2511-2R2MHF
SM2511-3R3MHF
SM2511-4R7MHF
SM2511-6R8MHF
SM2511-8R2MHF
SM2511-100MHF
L ± 20%
@ 0A (µH)
0.10
0.22
0.33
0.47
0.68
0.82
1.00
1.50
2.20
3.30
4.70
6.80
8.20
10.00
DCR Typ.
(mΩ)
1.50
2.50
3.50
4.00
5.00
6.70
9.00
14.00
18.00
28.00
37.00
54.00
64.00
102.00
DCR Max.
(mΩ)
1.70
2.80
3.90
4.20
5.50
8.00
10.00
15.00
20.00
30.00
40.00
60.00
68.00
105.00
Irate
(A)
32.50
23.00
20.00
17.50
15.50
13.00
11.00
9.00
8.00
6.00
5.50
4.50
4.00
3.00
Isat
(A)
60.00
40.00
30.00
26.00
25.00
24.00
22.00
18.00
14.00
13.50
10.00
8.00
7.50
7.00
3. Mechanical Dimensions of SM2511
series (unit:mm):
ITG Part
Number
SM2511
A
B
C
D
E
0.38 0.25
Max.
0.30 0.30
6.86
A
6.47
3.00 3.18
C
1.27
B
2R2
TOP VIEW
E
SIDE VIEW
D
BOTTOM VIEW
Type
A
B
C
SM2511
3.43
3.71
7.37
Notes:
1. Irate: DC current that will cause an approximate
T
of 40
C.
2. Isat: DC current that will cause inductance to drop approximately by 20%.
3. Test conditions: 100 kHz, 0.25 V, 25
C
ambient temperature.
4. Operating Temperature Range: -55
C
~ 125
C.
●
New York
1 914 347 2474
●
Taipei
886 2 2698 8669
●
Kaohsiung
886 7 350 2275
Tokyo
81 568 85 2830
●
Shenzhen
86 755 8418 6263
●
Shanghai
86 21 5424 5141
●
Hong Kong
852 9688 9767
●
sales@ITG-Electronics.com
●
www.ITG-Electronics.com
Revision D: January 19, 2016
●
*Due to continuous product improvement, all specifications are subject to change without prior notice. Kindly contact an ITG field application engineer or a sales representative prior to purchase.
SM2511 Series High Current Inductor
4. Inductance vs. Temperature Rise Characteristics of SM2511 Series
SM2511-R10MHF
0.120
0.100
Inductance (μH)
0.080
0.060
0.040
0.020
0.000
0
Inductance (uH)
Temp. Rise ( )
SM2511-R22MHF
100
90
80
Inductance (uH)
Temp rise ( )
70
60
50
40
30
20
10
0
60
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
5
10
15
20
25
DC Current(A)
30
35
Inductance (uH)
Temp. Rise ( )
100
90
80
70
60
50
40
30
20
10
0
40
Temp. Rise ( )
Temp. Rise ( )
Temp. .Rise
( )
10
20
30
DC Current (A)
40
50
SM2511-R33MHF
0.40
0.35
Inductance (uH)
0.30
0.25
0.20
0.15
0.10
0.05
0
0
5
10
15
20
DC Current (A)
25
Inductance (uH)
Temp. Rise ( )
SM2511-R47MHF
100
90
80
Inductance (uH)
Temp. Rise ( )
70
60
50
40
30
20
10
30
35 0
0
0
5
10
15
DC Current (A)
20
25
0.50
0.40
0.30
0.20
0.10
Inductance (uH)
Temp. Rise ( )
0.60
100
90
80
70
60
50
40
30
20
10
0
30
Temp. Rise ( )
SM2511-R68MHF
0.8
0.7
0.6
Inductance (uH)
0.5
0.4
0.3
0.2
0.1
0
0
5
10
15
DC Current (A)
20
Inductance (uH)
Temp. Rise ( )
SM2511-R82MHF
100
90
80
Inductance (uH)
Temp. Rise ( )
70
60
50
40
30
20
10
0
25
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
5
10
15
20
DC Current (A)
Inductance (uH)
Temp. Rise ( )
100
90
80
70
60
50
40
30
20
10
0
25
SM2511-1R0MHF
1.2
1.0
Inductance(uH)
0.8
0.6
0.4
0.2
0
0
5
10
15
DC Current (A)
20
Inductance (uH)
Temp. Rise ( )
SM2511-1R5MHF
100
90
80
Temp. Rise ( )
70
60
50
40
30
20
10
0
25
Inductance(uH)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
2
4
6
8
10
12
DC Current (A)
14
16
18
Inductance (uH)
Temp. Rise ( )
100
90
80
70
60
50
40
30
20
10
0
20
●
●
New York
1 914 347 2474
●
Taipei
886 2 2698 8669
●
Kaohsiung
886 7 350 2275
Tokyo
81 568 85 2830
●
Shenzhen
86 755 8418 6263
●
Shanghai
86 21 5424 5141
●
Hong Kong
852 9688 9767
●
sales@ITG-Electronics.com
●
www.ITG-Electronics.com
Revision D: January 19, 2016
*Due to continuous product improvement, all specifications are subject to change without prior notice. Kindly contact an ITG field application engineer or a sales representative prior to purchase.
SM2511 Series High Current Inductor
4. Inductance vs. Temperature Rise Characteristics of SM2511 Series (Continued)
SM2511-2R2MHF
2.5
100
4.0
3.5
2.0
Inductance (uH)
80
Temp. Rise ( )
Inductance (uH)
3.0
2.5
2.0
1.5
1.0
0.5
0
14
0.0
0
1
2
3
4
5
6
7
8
9
DC Current (A)
10
Inductance (uH)
Temp. Rise ( )
SM2511-3R3MHF
100
90
80
Temp. Rise ( )
100
80
Temp. Rise
( )
60
6
40
4
2
0
Inductance (uH)
Temp. Rise ( )
70
60
50
40
30
20
10
0
14
1.5
60
1.0
40
0.5
Inductance (uH)
Temp. Rise ( )
20
0.0
0
2
4
6
8
DC Current (A)
10
12
11
12
13
SM2511-4R7MHF
10
9
8
Inductance (uH)
7
6
5
4
3
2
1
0
0
2
4
6
8
DC Current (A)
10
Inductance (uH)
Temp. Rise ( )
SM2511-6R8MHF
100
90
80
Temp. Rise ( )
Inductance (uH)
70
60
50
40
30
20
10
0
12
10
9
8
7
6
5
4
3
2
1
0
0
1
2
3
4
5
DC Current (A)
6
7
8
Inductance (uH)
Temp. Rise ( )
100
90
80
Temp. Rise
( )
20
0
70
60
50
40
30
20
10
0
SM2511-100MHF
12
10
Inductance (uH)
8
0
1
2
3
4
DC Current (A)
5
6
7
●
●
New York
1 914 347 2474
●
Taipei
886 2 2698 8669
●
Kaohsiung
886 7 350 2275
Tokyo
81 568 85 2830
●
Shenzhen
86 755 8418 6263
●
Shanghai
86 21 5424 5141
●
Hong Kong
852 9688 9767
●
sales@ITG-Electronics.com
●
www.ITG-Electronics.com
Revision D: January 19, 2016
*Due to continuous product improvement, all specifications are subject to change without prior notice. Kindly contact an ITG field application engineer or a sales representative prior to purchase.
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