MSD7342-103MSD [COILCRAFT]
General Purpose Inductor, 10uH, 20%, 2 Element, Ferrite-Core, SMD, CHIP, 3030;
| 型号： | MSD7342-103MSD |
| 厂家： | 
Coilcraft lnc. |
| 描述： | General Purpose Inductor, 10uH, 20%, 2 Element, Ferrite-Core, SMD, CHIP, 3030 DC-DC转换器 测试 电感器 |
| 文件： | 总3页 (文件大小：169K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Document 621-1
For Flyback, SEPIC, Zeta
Coupled Inductors MSD7342 and other Applications
• Tightcoupling(k≥0.97)and200VisolationmaketheMSD7342
series of coupled inductors ideal for use in a variety of circuits
including flyback, multi-output buck and SEPIC.
• They provide high inductance, high efficiency and excellent
current handling in a rugged, low cost part.
• Can also be used as two single inductors connected in series
or parallel, as a common mode choke or as a 1:1 transformer.
+
+
D
C
V
L1
L2
OUT
C
V
IN
–
SW
–
Typical Flyback Converter
+
OUT
D
V
C
AUX
L2
–
+
+
V
0.295
7,5
max
L1
Dot indicates
pin 1
OUT
V
C
D
IN
SW
–
–
0.295
7,5
max
Typical Buck Converter with auxiliary output
123
1
2
L1
L2
D
+
+
4
3
L1
C1
V
C
Q
L2
C
OUT
V
IN
0.181
4,6
max
–
+
–
0.028
0,7
Typical SEPIC schematic
Recommended
Land Pattern
0.091
2,3
0.110
2,8
+
L2
C1
0.083
2,1
Q
V
D
C
C
OUT
V
L1
3
2
4
1
IN
2
3
1
4
0.130
3,3
0.150
3,8
If board traces
–
–
are run in these
areas, consider
masking them to
prevent shorting.
Typical Zeta schematic
0.043
1,10
0.063
1,6
inches
mm
Dimensions are in
Document 621-1 Revised 11/07/13
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 621-2
Coupled Inductors
–
MSD7342 Series
6
Isat (A)
20%
drop
Irms (A)
Coupling Leakage
2
3
4
5
Inductance DCR max SRF typ coefficient
L typ
(ꢀµ)
10%
drop
30%
drop
both
one
1
7
8
Part number
20% (ꢀµ)
(Ohms)
(Mµz)
typ
windings winding
MSD7342-252ML_
MSD7342-332ML_
MSD7342-472ML_
MSD7342-562ML_
MSD7342-682ML_
2.5
3.3
4.7
5.6
6.8
0.033
0.037
0.051
0.063
0.070
55
43
35
32
30
0.97
0.99
0.99
0.99
0.99
0.14
0.09
0.11
0.09
0.14
6.0
5.2
4.1
3.9
3.7
6.2
5.3
4.3
4.1
3.8
6.3
5.4
4.6
4.2
3.9
2.17
2.05
1.74
1.57
1.49
3.06
2.89
2.46
2.22
2.10
MSD7342-822ML_
MSD7342-103ML_
MSD7342-123ML_
MSD7342-153ML_
MSD7342-183ML_
8.2
10
0.075
0.100
0.120
0.130
0.170
27
22
20
18
15
0.98
0.98
0.25
0.30
0.36
0.49
0.16
3.3
2.8
2.5
2.2
2.0
3.4
2.9
2.6
2.3
2.2
3.5
3.0
2.7
2.4
2.3
1.44
1.24
1.14
1.09
0.95
2.03
1.76
1.61
1.54
1.35
12
0.98
15
18
0.98
>0.99
MSD7342-223ML_
MSD7342-273ML_
MSD7342-333ML_
MSD7342-393ML_
MSD7342-473ML_
22
27
33
39
47
0.220
0.250
0.270
0.380
0.420
13.5
12.0
11.0
10.0
9.5
>0.99
>0.99
>0.99
0.99
0.20
0.20
0.15
0.70
0.30
1.9
1.7
1.5
1.3
1.2
2.0
1.8
1.6
1.4
1.3
2.1
1.9
1.7
1.5
1.4
0.84
0.79
0.76
0.64
0.61
1.19
1.11
1.07
0.90
0.86
>0.99
MSD7342-563ML_
MSD7342-683ML_
MSD7342-823ML_
MSD7342-104ML_
MSD7342-124ML_
56
68
0.460
0.600
0.680
0.770
1.03
8.7
7.3
6.2
5.5
4.5
>0.99
>0.99
0.99
>0.99
>0.99
0.51
0.51
1.17
0.96
0.61
1.1
1.2
1.3
0.58
0.51
0.48
0.45
0.39
0.82
0.72
0.67
0.63
0.55
1.0
1.1
1.2
82
0.90
0.80
0.70
1.00
0.92
0.80
1.1
0.98
0.90
100
120
MSD7342-154ML_
MSD7342-184ML_
MSD7342-224ML_
MSD7342-274ML_
MSD7342-334ML_
150
180
220
270
330
1.35
1.52
1.72
2.41
2.70
4.0
3.8
3.5
3.3
3.0
>0.99
>0.99
>0.99
>0.99
>0.99
0.54
0.75
1.43
1.56
1.65
0.65
0.62
0.59
0.55
0.49
0.76
0.66
0.62
0.57
0.52
0.80
0.73
0.66
0.60
0.54
0.34
0.32
0.30
0.25
0.24
0.48
0.45
0.42
0.36
0.34
MSD7342-394ML_
MSD7342-474ML_
MSD7342-564ML_
MSD7342-684ML_
MSD7342-824ML_
390
470
560
680
820
3.05
4.00
4.43
5.00
6.80
2.8
2.6
2.5
2.3
2.2
0.99
0.99
>0.99
0.99
>0.99
4.73
5.50
4.85
7.59
8.01
0.45
0.41
0.38
0.36
0.30
0.47
0.43
0.40
0.37
0.32
0.50
0.46
0.42
0.38
0.35
0.23
0.20
0.19
0.18
0.15
0.32
0.28
0.26
0.25
0.21
MSD7342-105ML_
1000
7.80
2.0
>0.99
8.69
0.27
0.29
0.31
0.14
0.20
1. When ordering, please specify termination and packaging codes:
MSD7342-105MLC
Termination: L = RoHS compliant matte tin over nickel over phos bronze.
Special order: T = RoHS tin-silver-copper
(95.5/4/0.5) or S = non-RoHS tin-lead (63/37).
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
tape (250 parts per full reel).
Coupled Inductor Core and Winding Loss Calculator
This web-based utility allows you to enter frequency, peak-to-peak
(ripple) current, and Irms current to predict temperature rise and overall
losses, including core loss. Go to online calculator
Core material Ferrite
Core and winding loss Go to online calculator
Terminations RoHS compliant matte tin over nickel over phos
bronze. Other terminations available at additional cost.
B = Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge), use
code letter C instead.
D = 13″ machine-ready reel. EIA-481 embossed plastic
tape. Factory order only, not stocked (1000 parts per
full reel).
Weight 0.76 – 0.87g
Ambient temperature –40°C to +85°C with Irms current, +85°C to
+125°C with derated current
2. Inductance shown for each winding, measured at 100 kHz, 0.1 Vrms,
0 Adc on an Agilent/HP 4284A LCR meter or equivalent.When leads
are connected in parallel, inductance is the same value.When leads are
connected in series, inductance is four times the value.
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Winding to winding isolation 200 Vrms
3. DCR is for each winding.When leads are connected in parallel, DCR
is half the value.When leads are connected in series, DCR is twice the
value.
4. SRF measured using an Agilent/HP 4191A or equivalent.When leads
are connected in parallel, SRF is the same value.
5. Leakage inductance is for L1 and is measured with L2 shorted.
6. DC current, at which the inductance drops the specified amount from its
value without current. It is the sum of the current flowing in both windings.
7. Equal current when applied to each winding simultaneously that causes
a 40°C temperature rise from 25°C ambient. See temperature rise
calculation.
8. Maximum current when applied to one winding that causes a 40°C
temperature rise from 25°C ambient. See temperature rise calculation.
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 250/7″ reel; 1000/13″ reel Plastic tape: 16 mm wide,
0.4 mm thick, 12 mm pocket spacing, 4.9 mm pocket depth
PCB washing Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf.
9. Electrical specifications at 25°C.
Refer to Doc 639 “Selecting Coupled Inductors for SEPIC Applications.”
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Document 621-2 Revised 11/07/13
©Coilcraft Inc.2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
Document 621-3
Coupled Inductors – MSD7342 Series
Typical L vs Current
Typical L vs Frequency
10000
10000
1000 µH
470 µH
1000 µH
1000
1000
470 µH
100 µH
100 µH
47 µH
100
100
47 µH
10 µH
4.7 µH
10 µH
4.7 µH
10
10
1
1
0.01
0.1
1
10
0.1
1
10
100
Current (A)
Frequency (MHz)
Irms Derating
120
110
100
90
80
70
60
50
40
30
20
10
0
-40 -20
0
20
40
60
80
100
120 140
Ambient temperature (°C)
Document 621-3 Revised 11/07/13
©Coilcraft Inc.2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
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