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Products : Power : Torodial Inductors and Flatwire
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40K Series Surface Mount Toroidal Inductors

Part Number
Inductance Lsat (uH)
DC Sat Current Rating (A)
Temp Range
RoHS
Mechanical
Schematic
Product Sheet
Spec Sheet
40000R
0.395
5.5
ETR
NO
1
1
40034R
0.42
6.2
ETR
NO
3
1
40017R
0.49
5.9
ETR
NO
2
1
40051R
0.49
7.9
ETR
NO
3
1
40001R
0.565
5.1
ETR
NO
1
1
40035R
0.67
5.7
ETR
NO
3
1
40052R
0.76
7.2
ETR
NO
3
1
40018R
0.795
5.4
ETR
NO
2
1
40036R
0.91
5.4
ETR
NO
3
1
40002R
1.02
4.5
ETR
NO
1
1
40019R
1.14
5.0
ETR
NO
2
1
40053R
1.14
5.9
ETR
NO
3
1
40037R
1.85
4.6
ETR
NO
3
1
40054R
1.95
4.6
ETR
NO
3
1
40003R
2.02
3.4
ETR
NO
1
1
40020R
2.03
3.9
ETR
NO
2
1
40038R
4.74
3.2
ETR
NO
3
1
40004R
4.83
2.0
ETR
NO
1
1
40021R
4.9
2.5
ETR
NO
2
1
40055R
5.15
3.3
ETR
NO
3
1
40022R
7.65
2.3
ETR
NO
2
1
40056R
7.81
3.0
ETR
NO
3
1
40005R
8.08
1.8
ETR
NO
1
1
40039R
8.16
2.8
ETR
NO
3
1
40006R
9.62
1.7
ETR
NO
1
1
40040R
9.79
2.7
ETR
NO
3
1
40023R
9.83
2.1
ETR
NO
2
1
40057R
9.88
2.5
ETR
NO
3
1
40041R
14.5
2.2
ETR
NO
3
1
40058R
14.8
2.3
ETR
NO
3
1
40007R
15
1.4
ETR
NO
1
1
40024R
15
1.6
ETR
NO
2
1
40025R
19.6
1.5
ETR
NO
2
1
40826R
20
3.0
STR
NO
3
1
40826R-LF1
20
3.0
STR
YES
3
1
40042R
20.2
1.5
ETR
NO
3
1
40008R
20.5
1.0
ETR
NO
1
1
40059R
20.6
1.9
ETR
NO
3
1
40026R
23.9
1.4
ETR
NO
2
1
40043R
25.3
1.4
ETR
NO
3
1
40009R
25.4
1.0
ETR
NO
1
1
40060R
25.7
1.6
ETR
NO
3
1
40010R
32.3
0.8
ETR
NO
1
1
40044R
32.6
1.3
ETR
NO
3
1
40027R
32.7
1.3
ETR
NO
2
1
40061R
33.2
1.3
ETR
NO
3
1
40062R
48.8
1.2
ETR
NO
3
1
40028R
49.1
0.8
ETR
NO
2
1
40045R
50
0.9
ETR
NO
3
1
40011R
50.5
0.7
ETR
NO
1
1
40063R
67.4
1.1
ETR
NO
3
1
40012R
68.4
0.7
ETR
NO
1
1
40046R
68.8
0.8
ETR
NO
3
1
40029R
68.9
0.8
ETR
NO
2
1
40013R
99
0.5
ETR
NO
1
1
40030R
99.1
6.2
ETR
NO
2
1
40064R
99.1
0.7
ETR
NO
3
1
40047R
101
0.7
ETR
NO
3
1
40031R
148
0.6
ETR
NO
2
1
40065R
149
0.6
ETR
NO
3
1
40048R
150
0.6
ETR
NO
3
1
40014R
151
0.4
ETR
NO
1
1
40015R
198
0.4
ETR
NO
1
1
40049R
200
0.6
ETR
NO
3
1
40066R
200
0.6
ETR
NO
3
1
40032R
202
0.5
ETR
NO
2
1
40050R
298
0.5
ETR
NO
3
1
40067R
299
0.5
ETR
NO
3
1
40016R
300
0.3
ETR
NO
1
1
40033R
300
0.4
ETR
NO
2
1

* If RoHS version is not listed, please contact Wurth Electronics Midcom,Inc.

Features
 
  • Maximum power density
    		•
     
  • Toroid design offers high efficiency
    		•
     
  • Low EMI radiation
    		•
     
  • Full load current range: 0.22 to 7.90 ADC
    		•
     
  • Available in tape and reel packaging for pick and place operations
    		•
     
  • Low cost
    		•
     
  • Dielectric strength 500 VDC
    		•

    Applications
     
  • Cellular, battery-powered, low-voltage, power applications, pagers, portable instruments
    		•
     
  • Sepic converters
    		•
     
  • Bult converters and boost converters
    		•
     
  • Switching voltage regulators
    		•
     
  • Isolated 1:1 applications
    		•
     
  • Pagers
    		•
     
  • Portable instruments
    		•
     
  • Coupled inductors
    		•
     
  • Chokes
    		•

    Mechanical Drawings

    1

    2

    3
    Schematics

    1