Ferrites and accessories
E 30/15/7
Core and accessories
Series/Type:
Date:
B66319, B66232
May 2017
EPCOS AG 2017. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS’ prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
E 30/15/7
Core
■
Delivery mode: single units
B66319
Magnetic characteristics
(per set)
Σl/A
l
e
A
e
A
min
V
e
= 1.12 mm
–1
= 67 mm
= 60 mm
2
= 49 mm
2
= 4000 mm
3
Approx. weight
22 g/set
Ungapped
Material
N30
N27
N87
A
L
value
nH
3100 +30/–20%
1700 +30/–20%
1900 +30/–20%
μ
e
2760
1510
1690
< 0.81 (200 mT, 25 kHz, 100 °C)
< 2.20 (200 mT, 100 kHz, 100 °C)
P
V
W/set
Ordering code
B66319G0000X130
B66319G0000X127
B66319G0000X187
Gapped
(A
L
values/air gaps examples)
Material
g
mm
N27,
N87
0.10
±0.02
0.18
±0.02
0.34
±0.02
0.50
±0.05
1.00
±0.05
A
L
value
approx.
nH
460
300
195
145
90
μ
e
Ordering code
** = 27 (N27)
**
= 87 (N87)
B66319G0100X1**
B66319G0180X1**
B66319G0340X1**
B66319G0500X1**
B66319G1000X1**
410
265
175
130
80
The A
L
value in the table applies to a core set comprising one ungapped core (dimension g = 0 mm)
and one gapped core (dimension g > 0 mm).
Other A
L
values/air gaps and materials available on request ─ see Processing remarks on page 6.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
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E 30/15/7
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:
90
90
K2 (25 °C)
–0.708
–0.708
Calculation of saturation current
K3 (25 °C)
156
154
K4 (25 °C)
–0.847
–0.796
K3 (100 °C) K4 (100 °C)
144
140
–0.865
–0.873
B66319
K1, K2: 0.10 mm < s < 2.00 mm
K3, K4: 560 nH < A
L
< 60 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
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E 30/15/7
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
B66232B: Valox 420-SE0 [E207780 (M)] SABIC JAPAN L L C
B66232J: 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 Processing notes, 2.1
Pins:
Squared pins
Yoke
Coil former
Version
Horizontal
Vertical
Sections
1
1
A
N
mm
2
90
90
l
N
mm
56
56
A
R
value Pins
μΩ
21
21
14
12
B66232B1114T001
B66232J1112T001
B66232A2010X000
Material: Stainless spring steel (0.4 mm)
Ordering code
Material:
B66232
Yoke (ordering code per piece, 2 are required)
Horizontal version
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
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E 30/15/7
Accessories
Vertical version
B66232
Yoke
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
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