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E 20/10/6 (EF 20) Core
I In accordance with IEC 61246 I E cores are supplied as single units
B66311
Magnetic characteristics (per set)
Σl/A le Ae A min Ve
= 1,44 mm–1 = 46,3 mm = 32,1 mm2 = 31,9 mm2 = 1 490 mm3
Approx. weight 7,3 g/set
Ungapped Material N30 N27 N87 A L value nH
µe
A L1min P V nH W/set
Ordering code B66311-G-X130
2150 + 30/– 20 % 2460 1300 + 30/– 20 % 1490 1090 1470 + 30/– 20 % 1680 1090
< 0,27 B66311-G-X127 (200 mT, 25 kHz, 100 °C) < 0,75 B66311-G-X187 (200 mT, 100 kHz, 100 °C)
Gapped Material g mm N27, N87 0,09 ± 0,01 0,17 ± 0,02 0,25 ± 0,02 0,50 ± 0,05 A L value approx. nH 363 227 171 103
µe
Ordering code ** = 27 (N27) ** = 87 (N87) B66311-G90-X1** B66311-G170-X1** B66311-G250-X1** B66311-G500-X1**
415 259 195 118
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).
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E 20/10/6 (EF 20) Core
Calculation factors (for formulas, see “ E cores: general information”, page 382) Material Relationship between air gap – A L value K1 (25 °C) N27 N87 Validity range: 61,6 61,6 K2 (25 °C) – 0,737 – 0,737 Calculation of saturation current K3 (25 °C) 88,1 88,5 K4 (25 °C) – 0,847 – 0,796 K3 (100 °C) K4 (100 °C) 80,9 78,4 – 0,865 – 0,873
B66311
K1, K2 : 0,05 mm < s < 1,50 mm K3, K4 : 50 nH < AL < 430 nH
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E 20/10/6 (EF 20) Accessories
Coil former (magnetic axis horizontal or vertical) Material: GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085: F max. operating temperature 155 °C), color code black 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”, page 159 Squared pins For matching yoke see next page Figure 1 2 Sections 1 1 AN mm2 34 34 lN mm 41,2 41,2 AR value µΩ 42 42 Pins 10 10 Ordering code B66206-A1110-T1 B66206-J1110-T1
B66206
Figure 1, horizontal version
22 _ 0,3 13,9 _ 0,25 6,1+0,15
Figure 2, vertical version
0,6±0,1
13,7 _ 0,25 0,6±0,1
16,8 max.
6,1+0,2
3,5 _ 0,5
2 _ 0,1
7,6 _ 0,15
0,45 15,24
FEK0105-U
1
5
4 x 3,81 = 15,24 3,81 1+0,1
7,6 _ 0,15 6 10
21,2 _ 0,3
Hole arrangement View in mounting direction
Hole arrangement View in mounting direction
405 08/01
E 20/10/6 (EF 20) Accessories
Coil former (with right-angle pins) Material: GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085: F max. operating temperature 155 °C), color code black 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”, page 159 Squared pins Yoke Material: Coil former Figure 1 2 3 Sections 1 1 AN mm2 34 34 lN mm 41,2 41,2 AR value µΩ 42 42 Pins 12 14 B66206-C1012-T1 B66206-C1014-T1 B66206-A2010 Stainless spring steel (0,2 mm) Ordering code
B66206
Yoke (ordering code per piece, 2 are required)
Figure 1, coil former (12 pins)
13,9 _ 0,2 6,1+0,2 13,4 _ 0,15
13,9 _ 0,2 6,1+0,2
3,2 _ 0,2
0,3
0,45 Hole arrangement View in mounting direction 21,5 _ 0,2 7,5 _ 0,2 ø1,1+0,1
7,5 _ 0,2
12,2+0,25
23,5 _ 0,3
1
8
15,24 17,78
FEK0394-T
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7 x 2,54 = 17,78
2,54
9
12
E 20/10/6 (EF 20) Accessories
Figure 2, coil former (14 pins)
13,9 _ 0,2 6,1+0,2 13,4 _ 0,15
B66206
13,9 _ 0,2 6,1+0,2
0,45 Hole arrangement View in mounting direction 21,5 _ 0,3 7,5 _ 0,2 ø1,1+0,1
3,2 _ 0,2
5 x 3,81 = 19,05
7,5 _ 0,2
12,2+0,25
23,5 _ 0,3
3,81
1
8
15,24 17,78
FEK0395-2
Figure 3, Yoke
0,5 max.
2,8±0,15 4,5±0,15
7,5 _ 0,1
6 _ 0,1
_ 0,2 20,9 +0,5
13±0,2
FEK0108-J
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7 x 2,54 = 17,78
0,635
2,54
9
14
E 20/10/6 (EF 20) Accessories
Coil former for luminaires
I Also to be used without clamps
B66206
Material:
GFR polyterephthalate (UL 94 V-0, insulation class to IEC 60085: F max. operating temperature 155 °C), color code black 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”, page 159 Squared pins Yoke Material: Sections Nickel silver (0,3 mm) AN mm2 32,7 30,7 lN mm 42,3 42,3 AR value µΩ 44,5 34,4 Pins 6 6 Ordering code B66206-J1106-T1 B66206-J1106-T2 B66206-A2001
1 2 Yoke
Coil former
19,2
Yoke
13,2 _ 0,2 7,7 _ 0,2 6,1+0,2 16,2 _ 0,2 7,7 _ 0,2
20,9±0,2
20,1
5,6
FEK0322-W
0,65
1 2,8
∗ ∗
13,7 _ 0,2
Hole arrangement View in mounting direction
0,75
0,7
3,5
0,6
6 _ 0,3
FEK0351-A
*
Omitted for one-section version. Where nothing is specified the tolerances are ± 0,1 mm.
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6
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