Ferrites and accessories
ETD 34/17/11
Core and accessories
Series/Type:
Date:
B66361, B66362
June 2013
Data Sheet
EPCOS AG 2015. 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 61185
■
For SMPS transformers with optimum
B66361
weight/performance ratio at small volume
■
Delivery mode: single units
Magnetic characteristics
(per set)
l/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
A
L
value
nH
2400 +30/–20%
2600 +30/–20%
2650 +30/–20%
e
1540
1670
1710
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)
Ordering code
B66361G0000X127
B66361G0000X187
B66361G0000X197
Gapped
Material
g
mm
0.100.02
0.200.02
0.500.05
1.00
0.05
A
L
value
approx.
nH
790
482
251
153
e
Ordering code
** = 27 (N27)
**
= 87 (N87)
B66361G0100X1**
B66361G0200X1**
B66361G0500X1**
B66361G1000X1**
N27,
N87
508
310
161
98
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
06/13
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
06/13
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
®
E45329 (M)
, GE PLASTICS B V
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 Data Book 2013, chapter “Processing notes, 2.1”
Yoke
Material:
Coil former
Sections
1
A
N
mm
2
122
l
N
mm
60.5
A
R
value
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
06/13
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 Data Book 2013, chapter “Processing notes, 2.1”
Yoke
Material:
Coil former
Sections
1
A
N
mm
2
122
l
N
mm
60.5
A
R
value
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
06/13