FEI-Type Choke Coils
{
Outline
NEC TOKIN standardizes the EI-type output choke
coils for a single forward converter method and
switching power supplies.
{
Applications
• Audio visual equipment, office automation equipment,
computers and peripherals, communication equipment
{
Features
• Ferrite cores with high magnetic flux density, high
magnetic permeability and low loss
• Insulation material with flammability E-type
• Cost reduction througn the automated production
design
©
EC16Type
Inductance
No.
Model
Rated Current
(A)
6.9
5.6
4.9
4.0
3.7
3.4
3.1
2.8
2.5
2.3
2.1
1.9
1.7
1.5
1.4
1.3
1.1
1.0
0.98
0.89
0.82
0.74
0.67
0.61
0.55
0.50
0.46
0.41
0.37
0.33
0.28
Non-Saturated
Current
(A)
8.1
6.6
5.7
4.7
4.3
4.0
3.6
3.3
2.9
2.7
2.5
2.2
2.0
1.8
1.6
1.5
1.3
1.2
1.1
1.0
0.97
0.87
0.79
0.72
0.65
0.59
0.54
0.48
0.44
0.39
0.33
DC Resistance
Pin Connection
(mΩ) max.
11.8
16.9
23.3
29.0
43.0
47.1
51.2
65.6
71.9
92.1
102
115
156
174
239
263
355
406
438
489
667
751
853
1248
1371
1935
2116
3422
2688
3565
4837
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
B0806C9-V
B1205C6-V
B1504C9-V
B2204C0-V
B2703C7-V
B3303C4-V
B3903C1-V
B4702C8-V
B5602C5-V
B6802C3-V
B8202C1-V
B1011C9-V
B1211C7-V
B1511C5-V
B1811C4-V
B2211C3-V
B2711C1-V
B3311C0-V
B391C98-V
B471C89-V
B561C82-V
B681C74-V
B821C67-V
B102C61-V
B122C55-V
B152C50-V
B182C46-V
B222C41-V
B272C37-V
B332C33-V
B472C28-V
(µH)
8
12
15
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
4700
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
48
Transformers / Choke Coils Vol.1
Numbering System
B 080 6C9 V
Abbreviated Code
B : EC16Type
C : EC19Type
D : EC22Type
E : EC25Type
H : EC30Type
Inductance Value [µH] (The lowest digit indicates the power of 10.) (8µH)
Rated Current [A] (6.9 A)
Vertical Type
Configuration and Dimensions
©
EC16Type
©
EC19Type
©
EC22Type
11.6
16 max.
15 max.
B0806C9
lot No.
C0807C6
lot No.
D0809C8
lot No.
17 max.
20 max.
15.5 max.
23.5 max.
4 min.
6 - ø0.7
3 min.
3.25 3.25
4.0 4.0
10 - ø0.8
4.0 4.0 4.0 4.0
©
EC25Type
©
EC30Type
18 max.
H08020C
lot No.
26.5 max.
32 max.
20.0
E08011C
lot No.
12 - ø0.8
5.0 5.0 5.0 5.0 5.0
4 min.
8 - ø0.8
3.5 min.
5.0 5.0 5.0
29.5 max.
22 max.
26 max.
12.5
4 min.
6 - ø0.7
17.5 max.
21 max.
12.0
18 max.
10.65
[mm]
Transformers / Choke Coils Vol.1
51
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