SMDR0802-471M [MERITEK]
Unshielded SMT Power Inductors; 非屏蔽贴片功率电感
| 型号： | SMDR0802-471M |
| 厂家： | 
MERITEK ELECTRONICS CORPORATION |
| 描述： | Unshielded SMT Power Inductors |
| 文件： | 总4页 (文件大小：1084K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Series
SMDR
Unshielded SMT Power Inductors
SMDR 0402/0802/0804/0810/1206 TYPE
MERITEK
FEATURES
• High power, high saturation, low resistence
• Ideal inductors for DC-DC conversion in notebook
computer, PDAs, Step-up or step-down converters, flash
memory programmers, etc.
• SMDR0402 used ceramic base with gold-planting
• The others used LCP plastic base
CHARACTERISTICS
• I sat:The current when the inductance becomes 10%
lower than its initial value. (Ta = 20 ºC)
• I rms:The current when temperature of coil increases up
to Max. T = 40 ºC (Ta = 20 ºC)
• Operating temperature: -40 to 85 ºC
APPLICATIONS
• Portable telephones
• Personable computers
• DC/DC converters, etc.
• Other various electronic appliances
Shape and Size: (Dimensions are in mm)
INDUCTANCE AND RATED CURRENT RANGES
ITEM
A (MAX) B (MAX) C (MAX)
D
E
F
H
I
J
SMDR0402..........1.0 ~ 1000 uH.............2.9 ~ 0.07A
SMDR0802..........10 ~ 1000 uH..............2.0 ~ 0.05A
SMDR0804..........1.0 ~ 1000 uH.............6.8 ~ 0.030A
SMDR0810..........10 ~ 1000 uH..............3.5 ~ 0.10A
SMDR1206..........1.0 ~ 1000 uH.............8.6 ~ 0.56A
SMDR0402
SMDR0802
SMDR0804
SMDR0810
SMDR1206
6.60
12.95
12.95
12.95
18.54
4.45
9.40
9.40
9.40
15.24
2.82
3.50
5.21
11.43
7.11
4.32
7.62
7.62
7.62
12.70
1.27
2.54
2.54
2.54
2.54
1.02
2.54
2.54
2.54
2.54
3.56
2.79
2.79
2.79
2.79
1.40
2.92
2.92
2.92
2.92
4.06
7.37
7.37
7.37
12.45
PART NUMBERING SYSTEM
SMDR
Test Equipments:
M
-
470
0802
• L: Agilent 4284A LCR meter @ 100kHz 0.1V
• DC Resistance: Milli - ohm meter or equivalent
• SRF: Agilant 4291 B RF Impedance Analyzer
• Electrical specifications at 25 ºC
Meritek Series
Size (in mm)
0402 0802 0804 0810 1206
Code
ORDERING INFORMATION
See corresponded dimensions chart
SM DR0804 - 470
(1) (2) (3)
M
(4)
Inductance (uH)
First two digits are significant figures
Third Digit denotes number of Zeros
(1)Type: Surface Mount
(2) Style: DR Core OD =8.5mm H=4.0mm
(3) Inductance: 470 for 47uH
Tolerance
K
M
Code
10%
20%
(4) InductanceTolerance: K : 10%; M : 20%
1
Series
SMDR
Unshielded SMT Power Inductors
SMDR 0402/0802/0804/0810/1206 TYPE
MERITEK
L
DCR Max.
(OHM)
SRF Ref.
(MHz)
I sat
(A)
I rms
(A)
Part No.
(uH)
SMDR0402 - 1R0M
SMDR0402 - 1R5M
SMDR0402 - 2R2M
SMDR0402 - 3R3M
SMDR0402 - 4R7M
SMDR0402 - 6R8M
SMDR0402 - 100M
SMDR0402 - 150M
SMDR0402 - 220K
SMDR0402 - 330K
SMDR0402 - 470K
SMDR0402 - 680K
SMDR0402 - 101K
SMDR0402 - 151K
SMDR0402 - 221K
SMDR0402 - 331K
SMDR0402 - 471K
SMDR0402 - 681K
SMDR0402 - 102K
1.0
1.5
0.05
0.05
0.07
0.08
0.09
0.13
0.16
0.23
0.37
0.51
0.64
0.86
1.27
2.00
3.11
3.80
6.20
9.20
13.8
130
115
90
2.9
2.6
2.9
2.8
2.2
3.3
4.7
6.8
10
2.3
2.4
70
2.0
2.0
50
1.5
1.5
45
1.2
1.4
35
1.1
1.1
15
30
0.90
0.70
0.58
0.50
0.40
0.31
0.27
0.22
0.18
0.16
0.14
0.10
1.2
22
20
0.80
0.60
0.50
0.40
0.30
0.25
0.20
0.16
0.15
0.12
0.07
33
15
47
14
68
11
100
150
220
330
470
680
1000
9.0
6.0
5.5
5.0
4.0
3.0
2.0
L
(uH)
DCR Max.
(OHM)
SRF Ref.
(MHz)
I sat
(A)
I rms
(A)
Part No.
SMDR0802 - 100M
SMDR0802 - 150M
SMDR0802 - 220M
SMDR0802 - 330M
SMDR0802 - 470M
SMDR0802 - 680M
SMDR0802 - 101M
SMDR0802 - 151M
SMDR0802 - 221M
SMDR0802 - 331M
SMDR0802 - 471M
SMDR0802 - 681M
SMDR0802 - 102M
10
15
0.11
0.15
0.23
0.30
0.39
0.66
0.84
1.2
35
33
2.4
2.0
1.6
1.4
1.0
0.9
0.7
0.6
0.5
0.4
0.3
0.2
0.1
2.0
1.5
22
25
1.3
33
19
1.1
47
14
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.05
68
12
100
150
220
330
470
680
1000
10
8.0
6.0
5.0
4.0
3.0
2.5
1.9
2.7
4.0
5.3
8.4
2
Series
SMDR
Unshielded SMT Power Inductors
SMDR 0402/0802/0804/0810/1206 TYPE
MERITEK
L
DCR Max.
(OHM)
SRF Ref.
(MHz)
I sat
(A)
I rms
(A)
Part No.
(uH)
SMDR0804 - 1R0M
SMDR0804 - 1R5M
SMDR0804 - 2R2M
SMDR0804 - 3R3M
SMDR0804 - 4R7M
SMDR0804 - 6R8M
SMDR0804 - 100M
SMDR0804 - 150M
SMDR0804 - 220M
SMDR0804 - 330M
SMDR0804 - 470M
SMDR0804 - 680M
SMDR0804 - 101M
SMDR0804 - 151M
SMDR0804 - 221M
SMDR0804 - 331M
SMDR0804 - 471M
SMDR0804 - 681M
SMDR0804 - 102M
1.0
1.5
0.009
0.010
0.012
0.015
0.018
0.027
0.038
0.046
0.085
0.100
0.14
100
90
9.0
8.0
7.0
6.8
6.4
2.2
3.3
4.7
6.8
10
80
6.1
65
6.4
5.4
4.6
3.8
3.0
2.6
2.0
1.6
5.4
45
4.8
38
4.4
30
3.9
15
27
3.1
22
19
2.7
33
15
2.1
47
12
1.8
68
0.20
10
1.4
1.5
100
150
220
330
470
680
1000
0.28
9.0
6.0
5.0
4.5
3.5
2.5
2.0
1.2
1.3
0.40
1.0
1.0
0.61
0.80
0.60
0.50
0.40
0.30
0.80
0.60
0.50
0.40
0.30
1.02
1.27
2.02
3.00
L
(uH)
DCR Max.
(OHM)
SRF Ref.
(MHz)
I sat
(A)
I rms
(A)
Part No.
10
15
0.04
0.05
0.066
0.08
0.11
0.17
0.22
0.34
0.44
0.70
0.95
1.2
22
18
8.0
7.0
3.5
3.0
SMDR0810 - 100M
SMDR0810 - 150M
SMDR0810 - 220M
SMDR0810 - 330M
SMDR0810 - 470M
SMDR0810 - 680M
SMDR0810 - 101M
SMDR0810 - 151M
SMDR0810 - 221M
SMDR0810 - 331M
SMDR0810 - 471M
SMDR0810 - 681M
SMDR0810 - 102M
22
11
5.5
4.0
3.8
3.0
2.5
2.0
1.6
2.5
33
9.0
8.0
7.0
2.0
47
1.6
68
1.2
100
150
220
330
470
680
1000
5.0
4.0
3.5
2.5
2.0
2.0
1.5
1.2
0.90
0.70
0.60
0.30
0.20
0.10
1.2
1.0
1.0
2.0
0.80
3
Series
SMDR
Unshielded SMT Power Inductors
SMDR 0402/0802/0804/0810/1206 TYPE
MERITEK
L
DCR Max.
(OHM)
SRF Ref.
(MHz)
I sat
(A)
I rms
(A)
Part No.
(uH)
1.0
2.2
3.3
5.6
10
0.009
0.014
0.018
0.020
0.031
0.036
0.047
0.066
0.086
0.13
80
80
20
16
8.6
7.1
SMDR1206 - 1R0M
SMDR1206 - 2R2M
SMDR1206 - 3R3M
SMDR1206 - 5R6M
SMDR1206 - 100M
SMDR1206 - 150M
SMDR1206 - 220M
SMDR1206 - 330M
SMDR1206 - 470M
SMDR1206 - 680M
SMDR1206 - 101M
SMDR1206 - 151M
SMDR1206 - 221M
SMDR1206 - 331M
SMDR1206 - 471M
SMDR1206 - 681M
SMDR1206 - 102M
60
14
6.2
5.3
4.3
4.0
3.5
3.0
2.6
2.3
1.8
1.5
40
12
30
10
15
22
8.0
7.0
5.5
4.5
3.5
3.0
2.6
2.4
1.9
1.4
1.2
1.0
22
20
33
15
47
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.5
2.0
68
100
150
220
330
470
680
1000
0.19
0.25
0.38
0.56
0.85
1.1
1.2
1.0
0.82
0.72
0.56
1.8
Specifications are subject to change without notice.
4
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