### EPCOS B66358-G500-X1

```ETD 29/16/10
Core
B66358
ETD 29/16/10 through ETD 59/31/22
16 _ 0,4
10,7+0,6
g
■ In accordance with IEC 61185
■ For SMPS transformers with optimum
weight/performance ratio at small volume
■ ETD cores are supplied as single units
Magnetic characteristics (per set)
9,8 _ 0,6
= 0,93 mm–1
= 70,4 mm
= 76 mm2
= 71 mm2
= 5 350 mm3
9,8 _ 0,6
Σl/A
le
Ae
A min
Ve
22+1,4
30,6 _ 1,6
Approx. weight 28 g/set
FEK0044-8
Ungapped
µe
A L1min P V
nH
W/set
Ordering code
Material
AL value
nH
N27
2000 + 30/– 20 % 1470 1700
< 1,04
B66358-G-X127
(200 mT, 25 kHz, 100 °C)
N87
2200 + 30/– 20 % 1610 1700
< 2,80
B66358-G-X187
(200 mT, 100 kHz, 100 °C)
N97 1)
2250 + 30/– 20 % 1670 1700
< 2,40
B66358-G-X197
(200 mT, 100 kHz, 100 °C)
Gapped
µe
mm
A L value
approx.
nH
Ordering code
** = 27 (N27)
** = 87 (N87)
0,10 ± 0,02
0,20 ± 0,02
0,50 ± 0,05
1,00 ± 0,05
621
383
201
124
457
281
148
91
B66358-G100-X1**
B66358-G200-X1**
B66358-G500-X1**
B66358-G1000-X1**
Material
g
N27,
N87
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).
1) Preliminary data
477 08/01
ETD 29/16/10
Core
B66358
Calculation factors (for formulas, see “E cores: general information”, page 382)
Calculation of saturation current
Material
Relationship between
air gap – A L value
K1 (25 °C)
K2 (25 °C)
K3 (25 °C)
K4 (25 °C)
K3 (100 °C) K4 (100 °C)
N27
124
– 0,7
195
– 0,847
181
– 0,865
N87
124
– 0,7
192
– 0,796
176
– 0,873
Validity range:
K1, K2: 0,10 mm < s < 2,00 mm
K3, K4: 70 nH < AL < 680 nH
478 08/01
ETD 29/16/10
Accessories
B66359
Coil former (magnetic axis horizontal)
Material:
GFR polyterephthalate, UL 94 V-0, insulation class to IEC 60085:
B66359A/B: F = max. operating temperature 155 °C, color code black
(Valox 420SE0; [E 45329 (M)]; General Electric Plastics)
B66359W:H = max. operating temperature 180 °C, color code black
(Rynite FR530; [E 69578 (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 databook 2001, chapter Processing Notes, page 158
Yoke
Material: Stainless spring steel (0.4 mm)
Sections
AN
mm²
lN
mm
AR value
µΩ
Pins
Ordering code
1
97
52.8
18.7
13
B66359A1013T001
B66359B1013T001
B66359W1013T001
1)
Yoke (ordering code per piece, 2 are required)
B66359A2000
1) Molded-in pins
Yoke
35,3 max.
21,5 min.
35,2 max.
21,2 max.
10 min.
19,4 min.
25 max.
11,8 max.
_ 0,2
33,8 +0,5
Coil former
8,7±0,2
25,4±0,05
6 x 5,08 = 30,48
3,5 _ 0,5
8,1±0,3
FEK0202-B
0,7
Hole arrangement
View in mounting direction
ø 1,6+0,15
FEK0326-U
 EPCOS AG 2003. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information
contained therein without EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and
Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless
otherwise agreed.
FER PMD ZUB E
18.09.03
Page 1 of 1
ETD 29/16/10
Accessories
B66359
Coil former (magnetic axis vertical)
Material:
GFR polyterephthalate, UL 94 V-0, insulation class to IEC 60085:
B66359J: F = max. operating temperature 155 °C, color code black
(Pocan B4235; [E 41613 (M)]; Bayer)
B66359X: H = max. operating temperature 180 °C, color code black
(Rynite FR530; [E 69578 (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 databook 2001, chapter Processing Notes, page 158
Yoke
Material: Stainless spring steel (0.4 mm)
Sections
AN (mm²)
lN (mm)
AR value (µΩ) Pins
Ordering code
1
97
52.8
18.7
B66359J1014T001
B66359X1014T001
1)
14
Yoke (ordering code per piece, 2 are required)
B66359A2000
1) Molded-in pins
Yoke
_ 0,2
33,8 +0,5
Coil former
8,7±0,2
8,1±0,3
FEK0202-B
 EPCOS AG 2003. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information
contained therein without EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and
Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless
otherwise agreed.
FER PMD ZUB E
18.09.03
Page 1 of 1
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