Ferrites and accessories
E 13/7/4 (EF 12.6)
Core and accessories
Series/Type:
Date:
B66305, B66202, B66306, B66414
June 2013
Data Sheet
EPCOS AG 2013. Reproduction, publication and dissemination of this data sheet and the
information contained therein without EPCOS’ prior express consent is prohibited.
E 13/7/4 (EF 12.6)
Core
■
■
■
■
B66305
To IEC 61246
For miniature transformers
Available with SMD coil former
E cores with high permeability for common-mode
chokes and broadband applications
■
Delivery mode: single units
Magnetic characteristics
(per set)
l/A
l
e
A
e
A
min
V
e
= 2.39 mm
–1
= 29.6 mm
= 12.4 mm
2
= 12.2 mm
2
= 367 mm
3
Approx. weight
2 g/set
Ungapped
Material
N30
T46
N27
N87
Gapped
Material
N27
g
mm
0.040.01
A
L
value approx.
nH
250
e
454
Ordering code
B66305G0040X127
A
L
value
nH
1000 +30/–20%
3600
30%
800 +30/–20%
850 +30/–20%
e
1900
6839
1510
1620
< 0.40 (200 mT, 100 kHz, 100 °C)
< 0.20 (200 mT, 100 kHz, 100 °C)
P
V
W/set
Ordering code
B66305G0000X130
B66305F0000X146
B66305G0000X127
B66305G0000X187
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).
Calculation factors
(for formulas, see
“E cores: general information”)
Material
Relationship between
air gap – A
L
value
K1 (25 °C)
N27
N87
Validity range:
28.4
28.4
K2 (25 °C)
–0.676
–0.676
Calculation of saturation current
K3 (25 °C)
36.5
37.5
K4 (25 °C)
–0.847
–0.796
K3 (100 °C) K4 (100 °C)
33.2
32.1
–0.865
–0.873
K1, K2: 0.03 mm < s < 1.00 mm
K3, K4: 30 nH < A
L
< 260 nH
2
06/13
Please read
Cautions and warnings
and
Important notes
at the end of this document.
E 13/7/4 (EF 12.6)
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)
, SABIC INNOVATIVE PLASTICS
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 2013, chapter “Processing notes, 2.1”
Squared pins.
Yoke
Material:
Coil former
Version
Horizontal
Vertical
Sections
1
1
A
N
mm
2
11.6
11.6
l
N
mm
27.2
27.2
A
R
value
80.6
80.6
Pins
8
6
B66202B1108T001
B66202B1106T001
B66202A2010X000
Stainless spring steel (0.2 mm)
Ordering code
Material:
B66202
Yoke (ordering code per piece, 2 are required)
Horizontal version
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
06/13
E 13/7/4 (EF 12.6)
Accessories
Vertical version
B66202
Hole arrangement
View in mounting direction
Yoke
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
06/13
E 13/7/4 (EF 12.6)
Accessories
SMD coil former with gullwing terminals
GFR liquid crystal polymer (UL 94 V-0, insulation class to IEC 60085:
F max. operating temperature 155 °C), color code black
Vectra E 130i
E106764 (M)
, POLYPLASTICS CO LTD
Vectra E 130i
E83005 (M)
, TICONA
Solderability: to IEC 60068-2-58, test Td, method 6 (Group 3): 245 °C, 3 s
Resistance to soldering heat: to IEC 60068-2-58, test Td, method 6 (Group 3): 255 °C, 10 s
permissible soldering temperature for wire-wrap connection on coil former: 400 °C, 1 s
Winding:
see Data Book 2013, chapter “Processing notes, 2.1”
Sections
1
2
A
N
mm
2
13.0
10.2
l
N
mm
27
27
A
R
value
71
91
Terminals
10
10
Ordering code
B66306C1010T001
B66306C1010T002
Material:
B66306
Recommended
PCB layout
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
06/13
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