Ferrites P 5.8 x 3.3
Core B65501
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 PD 16.10.01
Page 1 of 1
With center hole
Magnetic characteristics (per set)
Σl/A = 1.68 mm-1
le = 7.9 mm
Ae = 4.7 mm2
Ve = 37 mm3
Approx. weight: 0.2 g/set
Mode of delivery: Sets
Packing: Standard styrofoam tray
(size 200 mm x 300 mm)
Material AL value 1)
[nH] µe Air gap
[mm] Ordering code 2)
N48 800 +40% / -30% 1070 B65501D0000Y048
1) Measurement parameter: f = 10 kHz / B = 0.25 mT / 100 turns / room temperature
2) Gapped pot cores on request
FPK0232-W
2.2+0.2
4.5+0.2
1.5±0.1
ø0.95+0.1
0.255.8
_
0.15ø2.5
_
3.4 0.3
_
34 08/01
2 Material properties
Preferred application Resonant Circuit inductors Inductors for
line attenuation
Material K 1 M 331) N 48 K 10 K 8
Base material NiZn MnZn MnZn NiZn NiZn
Color code (adjuster) violet white — — —
Symbol Unit
Initial permeability
(T = 25 °C)
µi80
± 25 %
750
± 25 %
2300
± 25 %
800
± 25 %
860
± 25 %
Meas. field strength
Flux density (near
saturation) (f = 10 kHz)
H
BS (25 °C)
BS (100 °C)
A/m
mT
mT
5000
310
280
2000
400
310
1200
420
310
5000
320
240
1200
340
240
Coercive field strength
(f = 10 kHz)
Hc (25 °C)
Hc (100 °C)
A/m
A/m
380
350
80
65
26
19
40
25
40
25
Optimum
frequency range
fmin
fmax
MHz 1,5 …
12
0,2 …
1,0
0,01 …
0,1
0,1 …
1
0,1 …
0,5
Relative at fmin
loss factor at fmax
tan δ/µi10–6
10–6
< 40
< 120
< 12
< 20
< 4
< 6
< 15
< 60
< 20
< 30
Hysteresis
material constant
ηB10–6/mT < 36 < 1,8 < 0,4 < 5 < 4,5
Curie temperature TC°C > 400 > 200 > 170 > 150 > 150
Relative
temperature coefficient
at 25 … 55 °C
at 5 … 25 °C
αF10–6/K
2 … 8
7 … 1
0,5 … 2,6
—
0,3 … 1,3
0,3 … 1,3
—
—
—
—
Mean value of αF
at 25 … 55 °C
10–6/K 4 1,6 0,70 10,0 9,2
Density (typical values) kg/m34650 4500 4700 5000 5100
Disaccommodation
factor at 25 °C
DF 10–6 2082——
Resistivity ρΩm10
55310
5105
Core shapes RM, P,
Toroid,
P core
half
RM, P,
Toroid,
Double-
aperture,
P core-
half
RM, P Toroid,
Double-
aperture
Toroid
Other material properties (graphs) see page 50 57 70 55 54
1) For threaded cores µi = 600 ± 20%
SIFERRIT Materials
44 08/01
Relative loss factor versus frequency (inductors for resonant circuits and line attenuation)
(measured with ring cores, measuring flux density
≤ 0,25 mT)
B
FAL0667-7
f
µ
i
tan
δ
10
0
5
5
kHz
N22
N48
M33
K1
10
1
510
2
510
3
510
4
10
5
10
10
5
10
5
10
5
10
5
5
10
_
7
1
_
_
3
_
4
_
5
_
6
Inductors for Resonant Circuits and Proximity Switches
SIFERRIT Materials
70 08/01
N 48
Specific data for N 48
SIFERRIT Materials
Complex permeability
versus frequency
(measured on R10 toroids, ≤ 0,25 mT)
Permeability factor versus temperature
(measured on P and RM cores,
≤ 0,25 mT), µi ≈ 2300
Initial permeability µi and relative loss factor
tan δ/µi versus temperature
(measured on R10 toroids, ≤ 0,25 mT)
Relative loss factor tan δ/µi
versus frequency
(measured on R29 toroids)
B
FAL0546-D
f
µ
kHz5
5
’
µ
’
,
’
’’
µ
µ
’
10
0
10
1
10
2
5
5
5
10
1
10
2
10
3
10
4
5
4
10
3
10
B
25 ...
(˚C)
25 ... 55
25 ...
25 ... 5
0
T
50
0
µ µ
i.1i
µµ
10
_
i1i
250
70
0,6 ... 1,25 ... 2,0
(10
0,4 ... 0,9 ... 1,5
0,3 ... 0,8 ... 1,3
0,3 ... 0,8 ... 1,3
4020
40
25
_
_
F
α
T
˚C
/K)
FAL0694-4
1
T
_
6
40
_
20
_
_
6
150
_
_
250
50
_
B
FAL0547-L
0
-60
T
i
µ
10
-6
˚C0
µ
i
tanδ
δtan
i
µ
µ
i
/
f= 100 kHz
0 120 200
1000
3000
2
6
4
10
2000
60
FAL0548-U
f
kHz
µ
i
δtan
10 1
10 -6
10 2
10 -5
10 3
10 -4
71 08/01
N 48
SIFERRIT Materials
Dynamic magnetization curves
(typical values)
(f=10kHz, T = 25 °C)
DC magnetic bias
(measured on ETD cores, typical values)
(
≤ 0,25 mT, f = 10 kHz, T = 25 °C)
Dynamic magnetization curves
(typical values)
(f=10kHz, T = 100 °C)
FAL0549-3
H
0
B
50
150
250
350
mT
450
A/m
100
200
300
0 200 400 600 800 1000 1400
_
200
B
FAL0683-N
H
0
B
50
150
250
350
mT
450
A/m
100
200
300
0 200 400 600 800 1000 1400
_
200
1
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Published by EPCOS AG
Marketing Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
EPCOS AG 2000. All Rights Reserved. Reproduction, publication and dissemination of this bro-
chure and the information contained therein without EPCOS’ prior express consent is prohibited.
The information contained in this brochure describes the type of component and shall not be con-
sidered as guaranteed characteristics. 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.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
