Ferroxcube
P cores and accessories
Core sets for general purpose transformers and power applications
Clamping force for A
L
measurements, 80
±20
N.
GRADE
3C81
A
L
(nH)
100
±3%
160
±3%
250
±3%
315
±3%
400
±3%
4000
±25%
3C91
3F3
4000
±25%
100
±3%
160
±3%
250
±3%
315
±3%
400
±3%
2850
±25%
Core sets of high permeability grades
Clamping force for A
L
measurements, 60
±20
N.
GRADE
3E27
A
L
(nH)
7500
±25%
µ
e
≈
3560
AIR GAP
(µm)
≈
0
µ
e
≈
47
≈
76
≈
119
≈
149
≈
190
≈
1900
≈
1900
≈
47
≈
76
≈
119
≈
149
≈
190
≈
1350
AIR GAP
(µm)
≈
710
≈
400
≈
240
≈
180
≈
140
≈
0
≈
0
≈
710
≈
400
≈
240
≈
180
≈
140
≈
0
P18/11
TYPE NUMBER
P18/11-3C81-E100
P18/11-3C81-A160
P18/11-3C81-A250
P18/11-3C81-A315
P18/11-3C81-A400
P18/11-3C81
P18/11-3C91
P18/11-3F3-E100
P18/11-3F3-A160
P18/11-3F3-A250
P18/11-3F3-A315
P18/11-3F3-A400
P18/11-3F3
TYPE NUMBER
P18/11-3E27
Properties of core sets under power conditions
B (mT) at
GRADE
H = 250 A/m;
f = 25 kHz;
T = 100
°C
≥320
≥315
≥315
f = 25 kHz;
ˆ
= 200 mT;
B
T = 100
°C
≤
0.26
−
−
CORE LOSS (W) at
f = 100 kHz;
ˆ
B = 100 mT;
T = 100
°C
−
≤
0.07
(1)
≤
0.13
f = 100 kHz;
ˆ
B = 200 mT;
T = 100
°C
−
≤
0.45
(1)
−
f = 400 kHz;
ˆ
B = 50 mT;
T = 100
°C
−
−
≤
0.22
3C81
3C91
3F3
Note
1. Measured at 60
°C.
2008 Sep 01
967
FERROXCUBE [ FERROXCUBE INTERNATIONAL HOLDING B.V. ]
