Section 3Materials
MATERIALS
Magnetics has developed and produces leading MnZn ferrite materials for a variety of applications.
POWER MATERIALS
Three low loss materials are engineered for optimum frequency and temperature performance in
power applications. Magnetics’ R, P and F materials provide superior saturation, high temperature
performance, low loss and product consistency.
SHAPES: E cores, Planar E cores, ETD, EC, U cores, I cores, PQ, Planar PQ, RM, Toroids (2mm to
86mm), Pot cores, RS (round-slab), DS (double slab), EP, Special Shapes.
APPLICATIONS: Telecomm Power Supplies, Computer Power Supplies, Commercial Power Supplies,
Consumer Power Supplies, Automotive, DC-DC Converters, Telecomm Data Interfaces, Impedance
Matching Transformers, Handheld Devices, High power control (gate drive), Computer S ervers,
Distributed Power (DC-DC), EMI Filters, Aerospace, Medical.
卡通小狗HIGH PERMEABILITY MATERIALS
Three high permeablility materials (5000µJ material, 10000µW material and 15000µ
H material) are engineered for optimum frequency and impedance performance in signal, choke
and filter applications. The Magnetics’ materials provide superior loss factor, frequency
respon, temperature performance, and product consistency.
SHAPES: Toroids (2 mm to 86 mm), E cores, U cores, RM, Pot cores, RS (round-slab), DS (double
slab), EP, Special Shapes.
linux中国APPLICATIONS: Common Mode Chokes, EMI Filters, Other Filters, Current Sensors, Telecomm Data
和面机家用Interfaces, Impedance matching interfaces, Handheld devices, S pike S uppression, Gate Drive
Transformers.
SPECIAL MATERIALS
A number of special materials are engineered for specific performance results, including frequency
respon, temperature factor, Curie temperature, permeability across temperature for GFCI and
telecomm performance, and loss factor. Magnetics’ special materials provide outstanding
企业合同管理制度
performance, customization options and superior product consistency.
SHAPES: E cores, Planar E cores, ETD, EC, U cores, I cores, PQ, Planar PQ, RM, Toroids (2mm to
86mm), Pot cores, RS (round-slab), DS (double slab), EP, Special Shapes.
APPLICATIONS: EMI Filters, Current nsors, Chokes, Tuned Filters, Data interfaces, S pecial
temperature requirements, Other Special Requirements.
Contact Magnetics’ Application Engineering for additional information.
3.1
3.2
MAGNETICS
M a t e r i a l s
Characteristics沙洋市
Note: The characteristics are typical for a 42206 size (22.09mm O.D.) toroid. Specific core data will usually differ from the numbers due to the influence of geometry and size. Characteristics with a * are typical.
Materials Material Curves
Frequency Respon Curves
ency (kHz)
80200300
4006002000
1001000
GRAPH 1 - FREQUENCY RESPONSE CURVES
FREQUENCY (kHz)
3.3
m a g-i n c.c o m
FLUX DENSITY GAUSS
当音乐响起的时候
80
100
150
200
300
400
采取补救措施
600
1000
2000
50
0k
H z
250k H z
10
0k
H z
50
k H
z
25
k H
z
00
4020
00
00
00MAGNETICS
t e r i a l
Saturation Flux Density - gauss 5,000 (at 15 oersted, 25˚C) (500 mT)
Coercive Force - oersted. . . . . . . . . . . . . . . . . 0.18 (14A/m)Curie Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 230˚C
NOTE:The core loss curves are developed from empirical data.
For best results and highest accuracy, u them. The formula on page 3.10
yields a fair approximation and can be uful in computer programs.
See Page 3.11 for B-H Data
µi 2,300 ±25%
TEMPERATURE ˚C
FLUX DENSITY GAUSS
µi 2,500 ±25%
3.5
m a g -i n c.c o m
P Material
Saturation Flux Density - gauss 5,000 (at 15 oersted, 25˚C) (500 mT)Coercive Force - oersted. . . . . . . . . . . . . . . . . . . . . . . . . . . 0.18 (14A/m)Curie Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230˚C
NOTE:The core loss curves are developed from empirical data.
For best results and highest accuracy, u them. The formula on page 3.10
yields a fair approximation and can be uful in computer programs.
FLUX DENSITY GAUSS
150 200
300 400
1000
2000
20
0k
H z
etermined from ac data.pplications, u 1/2 of etermine loss
Mat_P_Core_vs_Flux
60Mat_P_Fluxden_vs_Te
See Page 3.11 for B-H Data
TEMPERATURE ˚C
TEMPERATURE ˚C FLUX DENSITY GAUSS
敬佩的近义词是什么TEMPERATURE ˚C
