EF coil formers
Series/Type:
E 20_10_6
The following products presented in this data sheet are being withdrawn.
Ordering Code
B66206J1106T002
B66206J1110T001
B66206A1110T001
Substitute Product
B66206K1106T002
B66206W1110T001
B66206B1110T001
Date of Withdrawal
2006-09-29
2010-01-29
2010-01-29
Deadline Last
Orders
2007-03-31
2010-04-30
2010-04-30
Last Shipments
2007-05-31
2010-07-30
2010-07-30
For further information please contact your nearest EPCOS sales office, which will also support you in selecting a
suitable substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales.
E 20/10/6 (EF 20)
Core
■
To IEC 61246
■
Delivery mode: single units
7+0.3
20.4
_
0.8
B66311
5.9
_
0.4
Magnetic characteristics
(per set)
6
l/A
l
e
A
e
A
min
V
e
= 1.44 mm
–1
= 46.3 mm
= 32.1 mm
2
= 31.9 mm
2
= 1490 mm
3
10.1
_
0.3
5.9
_
0.3
14.1+0.6
FEK0103-D
Approx. weight
7.3 g/set
Ungapped
Material
N30
N27
N87
A
L
value
nH
2150 +30/–20%
1300 +30/–20%
1470 +30/–20%
P
e
2460
1490
1680
< 0.27 (200 mT, 25 kHz, 100 °C)
< 0.75 (200 mT, 100 kHz, 100 °C)
P
V
W/set
Ordering code
B66311G0000X130
B66311G0000X127
B66311G0000X187
Gapped
Material
g
mm
N27,
N87
0.09
r0.01
0.17
r0.02
0.25
r0.02
0.50
r0.05
A
L
value
approx.
nH
363
227
171
103
P
e
Ordering code
** = 27 (N27)
**
= 87 (N87)
B66311G0090X1**
B66311G0170X1**
B66311G0250X1**
B66311G0500X1**
415
259
195
118
The A
L
value in the table applies to a core set comprising one ungapped core (dimension g = 0) and
one gapped core (dimension g > 0).
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
09/06
g
E 20/10/6 (EF 20)
Core
Calculation factors
(for formulas, see
“E cores: general information”)
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N27
N87
Validity range:
61.6
61.6
K2 (25 °C)
– 0.737
– 0.737
Calculation of saturation current
K3 (25 °C)
88.1
88.5
K4 (25 °C)
– 0.847
– 0.796
K3 (100 °C) K4 (100 °C)
80.9
78.4
– 0.865
– 0.873
B66311
K1, K2: 0.05 mm < s < 1.50 mm
K3, K4: 50 nH < A
L
< 430 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
09/06
E 20/10/6 (EF 20)
Accessories
Coil former (magnetic axis horizontal or vertical)
GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155 °C), color code black
Valox 420-SE0
®
>
E45329 (M)
@
, GE PLASTICS B V
Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s
Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 °C, 3.5 s
Winding:
see Data Book 2007, chapter “Processing notes, 2.1”
Squared pins. For matching yoke see next page.
Version
Horizontal
Vertical
Sections
1
1
A
N
mm
2
34
34
l
N
mm
41.2
41.2
A
R
value
P:
42
42
Pins
10
10
Ordering code
B66206B1110T001
B66206W1110T001
Material:
B66206
Horizontal version
22
_
0,3
13,9
_
0,25
6,1+0,15
Vertical version
0,6±0,1
13,7
_
0,25
0,6±0,1
16,8 max.
6,1+0,2
3,5
_
0,5
2
_
0,1
7,6
_
0,15
0,45
15,24
FEK0105-U
1
5
4 x 3,81 = 15,24
3,81
1+0,1
7,6
_
0,15
6
10
21,2
_
0,3
Hole arrangement
View in mounting
direction
Hole arrangement
View in mounting
direction
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
01/10
E 20/10/6 (EF 20)
Accessories
Coil former (with right-angle pins)
Material:
GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155 °C), color code black
Pocan B4235
®
>
E245249 (M)
@
, LANXESS AG
Solderability: to IEC 60068-2-20, test Ta, method 1 (aging 3): 235 °C, 2 s
Resistance to soldering heat: to IEC 60068-2-20, test Tb, method 1B: 350 °C, 3.5 s
Winding:
see Data Book 2007, chapter “Processing notes, 2.1”
Squared pins.
Yoke
Material:
Coil former
Figure
1
2
3
Sections
1
1
A
N
mm
2
34
34
l
N
mm
41.2
41.2
A
R
value
P:
42
42
Pins
12
14
B66206C1012T001
B66206C1014T001
B66206A2010X000
Stainless spring steel (0.2 mm)
Ordering code
B66206
Yoke (ordering code per piece, 2 are required)
Figure 1, coil former (12 pins)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
11/09
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