Ferrites and accessories
ETD 34/17/11
Core and accessories
Series/Type:
Date:
B66361, B66362
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.
ETD 34/17/11
Core
■
To IEC 62317-6
■
For SMPS transformers with optimum
B66361
weight/performance ratio at small volume
■
Delivery mode: single units
Magnetic characteristics
(per set)
Σl/A
l
e
A
e
A
min
V
e
= 0.81 mm
–1
= 78.6 mm
= 97.1 mm
2
= 91.6 mm
2
= 7630 mm
3
Approx. weight
40 g/set
Ungapped
Material
N27
N87
N97
N95
A
L
value
nH
2400 +30/–20%
2600 +30/–20%
2650 +30/–20%
3300 +30/-20%
μ
e
1540
1670
1710
2170
P
V
W/set
< 1.48 (200 mT, 25 kHz, 100 °C)
< 4.00 (200 mT, 100 kHz, 100 °C)
< 3.40 (200 mT, 100 kHz, 100 °C)
< 4.00 (200 mT, 100 kHz, 25 °C)
< 3.70 (200 mT, 100 kHz, 100 °C)
Ordering code
B66361G0000X127
B66361G0000X187
B66361G0000X197
B66361G0000X195
Gapped
(A
L
values/air gaps examples)
Material
g
mm
N27,
N87
0.10
±0.02
0.20
±0.02
0.50
±0.05
1.00
±0.05
2.50 ±0.05
A
L
value
approx.
nH
790
482
251
153
80
μ
e
Ordering code
** = 27 (N27)
**
= 87 (N87)
B66361G0100X1**
B66361G0200X1**
B66361G0500X1**
B66361G1000X1**
B66361G2500X1**
508
310
161
98
50
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.
2
5/17
ETD 34/17/11
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:
153
153
K2 (25 °C)
–0.713
–0.713
Calculation of saturation current
K3 (25 °C)
245
240
K4 (25 °C)
–0.847
–0.796
K3 (100 °C) K4 (100 °C)
227
222
–0.865
–0.873
B66361
K1, K2: 0.10 mm < s < 2.50 mm
K3, K4: 80 nH < A
L
< 780 nH
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
5/17
ETD 34/17/11
Accessories
Coil former
(magnetic axis horizontal)
GFR polyterephthalate, UL 94 V-0, insulation class to IEC 60085:
B66362B: F max. operating temperature 155 °C, color code black
Valox 420-SE0 [E207780 (M)] SABIC JAPAN L L C
B66362W: H max. operating temperature 180 °C, color code black
Rynite FR 530
®
[
E41938 (M)
]
, E I DUPONT DE NEMOURS & CO INC
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
Yoke
Material:
Coil former
Sections
1
A
N
mm
2
122
l
N
mm
60.5
A
R
value
μΩ
17
Pins
14
B66362B1014T001
B66362W1014T001
B66362A2000X000
Stainless spring steel (0.4 mm)
Ordering code
Material:
B66362
Yoke (ordering code per piece, 2 are required)
Coil former
Yoke
Please read
Cautions and warnings
and
Important notes
at the end of this document.
4
5/17
ETD 34/17/11
Accessories
Coil former
(magnetic axis vertical)
GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085:
H max. operating temperature 180 °C), color code black
Rynite FR 530
®
[
E41938 (M)
]
, E I DUPONT DE NEMOURS & CO INC
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
Yoke
Material:
Coil former
Sections
1
A
N
mm
2
122
l
N
mm
60.5
A
R
value
μΩ
17
Pins
14
B66362X1014T001
B66362A2000X000
Stainless spring steel (0.4 mm)
Ordering code
Material:
B66362
Yoke (ordering code per piece, 2 are required)
Coil former
Yoke
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
5/17
