ER 42/22/15
Core
I
Round center leg particularly suitable
B66347
for use of thick winding wires or tapes
I
For compact winding design with
low leakage inductance
I
ER cores are supplied as single units
Magnetic characteristics
(per set)
危
l/A
l
e
A
e
A
min
V
e
= 0,58 mm
鈥?
= 99 mm
= 170 mm
2
= 170 mm
2
= 16 800 mm
3
Approx. weight
84 g/set
Ungapped
Material
N27
N87
A
L
value
nH
碌
e
A
L1min
P
V
nH
W/set
Ordering code
3200 + 30/鈥?20 % 1480 2700
3700 + 30/鈥?20 % 1710 2700
B66347-G-X127
< 3,10
(200 mT, 25 kHz, 100 擄C)
< 9,00
B66347-G-X187
(200 mT, 100 kHz, 100 擄C)
Gapped
Material
N27
g
mm
1,00
鹵
0,05
A
L
value approx.
nH
257
碌
e
119
Ordering code
B66347-G1000-X127
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).
Calculation factors
(for formulas, see
鈥淓 cores: general information鈥?
page 382)
Material
Relationship between
air gap 鈥?/div>
A
L
value
K1
(25 擄C)
N27
N87
Validity range:
257
257
K2
(25 擄C)
鈥?0,741
鈥?0,741
Calculation of saturation current
K3
(25 擄C)
415
401
K4
(25 擄C)
鈥?0,847
鈥?0,796
K3
(100 擄C)
K4
(100 擄C)
387
377
鈥?0,865
鈥?0,873
K1, K2:
0,10 mm <
s
< 3,00 mm
K3, K4:
110 nH <
A
L
< 1100 nH
471
08/01
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