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參數資料
| 型號： | 40050R |
| 廠商： | WURTH ELEKTRONIK GMBH CO KG |
| 元件分類： | 通用定值電感 |
| 英文描述： | 2 ELEMENT, 298 uH, GENERAL PURPOSE INDUCTOR, SMD |
| 文件頁數： | 2/3頁 |
| 文件大小： | 137K |
| 代理商： | 40050R |
Details subject to change. Contact your Midcom sales representative for additional information. Dimensions: in/mm. All tolerances are
±
.010/0,25 and electrical specifications are @25
°
C unless otherwise specified.
121 Airport Drive – PO Box 1330
Watertown, SD 57201
T: 605.886.4385 ~ F: 605.886.4486
www.midcom-inc.com ~ email:sales@midcom-inc.com
Switchmode
Power
Midcom, Inc. USA
Midcom, Inc. China
10/F Spectrum Tower 53 Hung to Road
Kwun Tong, Kowloon, HK
T: 852.2320.4221 ~ F: 852.2352.3272
www.midcom.com.cn ~ email:sye@midcom-inc.com
2/2
8/17/2006
Part
Number
40019R
40037R
40054R
40003R
40020R
40038R
40004R
40021R
40055R
40022R
40056R
40005R
40039R
40006R
40040R
40023R
40057R
40041R
40058R
40007R
40024R
40025R
40826R
40042R
40008R
40059R
40026R
40043R
40009R
40060R
40010R
40044R
40027R
L +/-20%
uH
(
1
)
1.14
1.85
1.92
2.02
2.03
4.74
4.83
4.90
5.15
7.65
7.81
8.08
8.16
9.62
9.79
9.83
9.88
14.5
14.8
15.0
15.0
19.6
20.0
20.2
20.5
20.6
24.8
25.3
25.4
25.7
32.3
32.6
32.7
DCR Max.
Series
(2)
0.034
0.045
0.055
0.054
0.056
0.090
0.161
0.128
0.107
0.159
0.131
0.208
0.119
0.227
0.132
0.179
0.187
0.198
0.228
0.348
0.339
0.387
0.188
0.443
0.634
0.337
0.436
0.499
0.708
0.462
1.000
0.571
0.503
Isat ADC L Min. (μH)
Parallel
5.0
4.6
4.6
3.4
3.9
3.2
2.0
2.5
3.3
2.3
3.0
1.8
2.8
1.7
2.7
2.1
2.5
2.2
2.3
1.4
1.6
1.5
3.0
1.5
1.0
1.9
1.4
1.4
0.9
1.6
0.8
1.3
1.3
Parallel
(3)
0.009
0.012
0.014
0.014
0.014
0.023
0.040
0.032
0.027
0.040
0.033
0.052
0.030
0.057
0.033
0.045
0.047
0.050
0.057
0.087
0.085
0.097
0.047
0.111
0.159
0.084
0.109
0.125
0.177
0.116
0.250
0.143
0.126
Parallel
(4)
0.82
1.21
1.38
1.33
1.52
2.96
3.29
3.48
3.47
5.18
5.02
5.18
4.78
6.07
5.57
6.56
6.53
8.29
9.28
9.38
10.3
13.0
10.0
12.8
13.8
13.1
16.2
15.8
16.6
16.7
21.7
19.8
21.2
Mech.
2
3
3
1
2
3
1
2
3
2
3
1
3
1
3
2
3
3
3
1
2
2
3
3
1
3
2
3
1
3
1
3
2
Features
Maximum power density
Toroid design offers high efficiency
Versatility
Low EMI radiation
Full load current range: 0.22 to 7.90
ADC
Designed for pick and place
Low Cost
Dielectric strength to 500VDC
Applications
Cellular, battery-powered, low-
voltage power applications, pager,
portable instruments.
Sepic converters
Buck and boost converters
Switching voltage regulators
Isolated 1:1 applications
Pagers
Portable instruments
Coupled inductors
Chokes
Environmental Specifications
Packaging
Operating temp range: -40o to +85oC
Storage temp range: -50o to +125oC
EIA-481-2 embossed 24mm carrier
tape
Mechanical 1 parts: 800 pieces per
13” reel
Mechanical 2 parts: 625 pieces per
13” reel
Mechanical 3 parts: 600 pieces per
13” reel
40K Series (continued)
Note1: Terminals 1-3 @ 100kHz and 100mV.
Note2: DCR limits at 20oC terminals 1-5, with terminals 3 and 7 tied.
Note3: DCR limits at 20oC terminals 1-3, with terminals 1 and 7; and 3 and 5 tied.
Note4: Terminals 1-3, with terminals 1 and 7; and 3 and 5 tied @ 100kHz and 100mV.
(Continued on the following page)
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