N22 Datasheet, PDF (2/5 Pages) EPCOS – Ferrites and accessories

SIFERRIT materials
N22
Material properties
Preferred application
Proximity switches
Material
N22
Base material
MnZn
Color code (adjuster)
red
Symbol
Unit
Initial permeability
μ_i
(T = 25 °C)
2300
±25%
Meas. field strength
Flux density (near
saturation) (f = 10 kHz)
Coercive field strength
(f = 10 kHz)
Optimum
frequency range
Relative at f_min
loss factorat f_max
Hysteresis
material constant
H
B_S (25 °C)
B_S (100 °C)
H_c (25 °C)
H_c (100 °C)
f_min
f_max
tan δ/μ_i
η_B
A/m
mT
mT
A/m
A/m
MHz
10^–6
10^–6
10^–6/mT
1200
370
260
18
14
0.001 …
0.2
<2
<20
<1.4
Curie temperature
T_C
Relative
temperature coefficient α_F
at 25 … 55 °C
at 5 … 25 °C
°C
>145
10^–6/K
—
—
Mean value of α_F
at 25 … 55 °C
10^–6/K 0.9
Density (typical values)
kg/m³ 4700
Disaccommodation
DF
factor at 25 °C
10^–6
4
Resistivity
ρ
Ωm
1
Core shapes
P core half
Please read Cautions and warnings and
Important notes at the end of this document.
2 09/06