3R1 Datasheet, PDF (2/4 Pages) Ferroxcube International Holding B.V. – Material specification

Ferroxcube
Material specification
3R1
3R1 SPECIFICATIONS
MnZn ferrite with a nearly rectangular hysteresis loop
for use in magnetic regulators/amplifiers.
SYMBOL CONDITIONS
µ_i
25 °C; ≤10 kHz;
0.25 mT
B
25 °C; 10 kHz;
1200 A/m
100 °C; 10 kHz;
1200 A/m
B_r
from 1 kA/m;
25 °C
from 1 kA/m;
100 °C
H_c
from 1 kA/m;
25 °C
from 1 kA/m;
100 °C
ρ
DC; 25 °C
T_C
density
VALUE
800 ±20%
≈ 410
≈ 340
≥ 310
≥ 220
≤ 52
≤ 23
≈ 10³
≥ 230
≈ 4700
UNIT
mT
mT
A/m
Ωm
°C
kg/m³
10 ⁴
handbook, halfpage
µ's ,µ's'
µ_s'
10 ³
10 ²
MBW061
3R1
µ's'
10
10 ¹
1
10 _{f (MHz)} 10 ²
Fig.1 Complex permeability as
a function of frequency.
5000
handbook, halfpage
µ_i
4000
3000
2000
1000
0
50
50
MBW062
3R1
150 _{T (}o_C) 250
500
handbook, halfpage
B
(mT)
400
300
25oC
100oC
MBW018
3R1
200
100
0
50
0
50 100
500
1000
H (A/m)
Fig.2 Initial permeability as a
function of temperature.
2008 Sep 01
200
Fig.3 Typical B-H loops.