Features
• Small dimensions for large current
• No magnetic flux leakage
• Excellent DC bias characteristics
• Good temperature stability
• Large energy storage capacity
Applications
• Small dimension DC/DC converter
• Large current choke coil
• Smoothing choke coil
• CPU cores for lap-top computer
Product Identification
KEQ 41 28 A - 040
Permeability :40 μ
Available Perm : 26,40,60μ
Height of EQ core
Width : 28mm
Length : 40mm
Available size : 21mm~ 65mm
Mega Flux EQ core
HEQ : High Flux, SEQ : Sendust
Cross
Section
Area(cm2)
A L value (nH/N 2 )
026μ
040μ
060μ
A
B
C
D
E
F
Path
Length
(cm)
KEQ 2014A
KEQ 2014B
KEQ 2619A
20.5
20.5
26.5
14.0
14.0
19.0
8.1
10.1
10.1
8.8
8.8
12.0
18.0
18.0
22.6
5.7
7.7
6.8
4.52
5.32
5.47
0.608
0.608
1.198
44
37
72
68
57
110
101
86
165
KEQ 2619B
KEQ 3222A
KEQ 3222B
26.5
32.0
32.0
19.0
22.0
22.0
12.4
10.3
15.2
12.0
13.5
13.5
22.6
27.6
27.6
9.1
6.6
11.5
6.39
6.03
7.99
1.198
1.523
1.523
61
83
62
94
127
96
141
190
144
KEQ 3626A
KEQ 4128A
KEQ 5032A
36.0
41.5
50.0
26.0
28.0
32.0
17.4
19.9
25.0
14.4
14.9
20.0
32.0
36.5
44.0
13.4
15.4
19.5
9.47
11.52
13.34
1.808
1.997
3.141
62
57
77
96
87
118
144
131
178
KEQ 6542A
65.0
42.0
30.0
26.0
57.2
22.8
16.53
5.309
105
161
242
Dimensions(mm)
Part No.
HEQ(High Flux EQ Core), SEQ(Sendust EQ core) and customer specifications are also available.
Magnetic Powder Cores :::
66
SPECIAL MAGNETIC POWDER CORE
EQ CORE