First Magnetics Co.

, Ltd Microwave Ferrite Properties

Yttrium Iron Garnet

 Characteristic

The material has excellent electromagnetic performance, narrow resonance line width, small dielectric loss and

high Curie temperature.

 Applications

Ferrite isolator and circulator for communication frequency band

 Product brand and technical index

TYPES 4πMs ΔH ε＇ Tc △Hk

(G)±5% (Oe) ±5% tanδε (℃) (Oe)±2%
FXY178 1780 ≦35 14.5 ≦0.0002 280 2.0

BiCaV Garnet Series

 Characteristic

Low cost, low magnetic moment, low h, high Curie temperature

 Applications

Ferrite isolator and circulator for communication frequency band

 Product brand and technical index

TYPES 4πMs ΔH ε＇ Tc △Hk
(G)±5% (Oe) ±5% tanδε (℃) (Oe)±2%
FXB58 580 ≦55 13.7 ≦0.0002 220 2.0

Y-Al Garnets Series

 Characteristic

1. The adjustable range of saturation magnetization Ms is large;

2. The magnetic loss and dielectric loss of the material are small.

 Applications
Isolator and circulator for P-X frequency band

 Product brand and technical index

TYPES 4πMs ΔH ε＇ Tc △Hk

(G)±5% (Oe) ±5% tanδε (℃) (Oe)±2%
FXA160 1600 ≦40 14.0 ≦0.0002 250 2.0
FXA140 1400 ≦40 14.0 ≦0.0002 230 2.0
FXA120 1200 ≦40 13.9 ≦0.0002 220 2.0
FXA100 1000 ≦40 13.9 ≦0.0002 205 2.0
FXA80 800 ≦40 13.8 ≦0.0002 190 2.0
FXA60 600 ≦40 13.8 ≦0.0002 160 2.0
FXA30 300 ≦40 13.6 ≦0.0002 140 2.0

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 First Magnetics Co., Ltd Microwave Ferrite Properties

Yttrium Gadolinium Garnet Series

 Characteristic

1. Low temperature coefficient, good temperature stability and high Curie temperature.

2. Can withstand medium power or high peak power.

 Applications
Wideband and medium power for microwave frequency band; High power coaxial, strip line, micro strip,

waveguide isolator, circulator and other devices

 Product brand and technical index

YGdIG
TYPES 4πMs ΔH ε＇ Tc △Hk
(G)±5% (Oe) ±5% tanδε (℃) (Oe)±2%

FXG140 1400 ≦70 14.2 ≦0.0002 260 6.0

FXG120 1200 ≦70 14.0 ≦0.0002 250 8.0

FXG100 1000 ≦80 14.0 ≦0.0002 240 9.0

FXG80 800 ≦90 13.8 ≦0.0002 220 10.0

FXG60 600 ≦100 13.8 ≦0.0002 180 10.0

FXG30 300 ≦120 13.6 ≦0.0002 140 10.0

FXG180P 1800 ≦35 14.2 ≦0.0002 255 4.0

FXG160P 1600 ≦35 14.1 ≦0.0002 265 5.0

FXG140P 1400 ≦45 13.8 ≦0.0002 255 6.0

FXG120P 1200 ≦50 13.7 ≦0.0002 260 7.0

FXG100P 1000 ≦50 13.6 ≦0.0002 240 7.2

FXG80P 800 ≦50 13.4 ≦0.0002 235 8.5

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 First Magnetics Co., Ltd Microwave Ferrite Properties

YCaV Narrow Line Width Garnet

 Characteristic

1. The line width of ferromagnetic resonance is small;

2. Low dielectric loss.

3. High apparent density and good compactness.

 Applications
Used for low loss coaxial, stripline, microstrip, waveguide isolator, circulator and other devices.

 Product brand and technical index

YCaV Narrow line width garnet

TYPES 4πMs ΔH ε＇ Tc △Hk
(G)±5% (Oe) ±5% tanδε (℃) (Oe)±2%
FXC195 1950 ≦16 14.5 ≦0.0002 235 2.0

FXC190 1900 ≦16 14.5 ≦0.0002 240 2.0

FXC185 1850 ≦16 14.3 ≦0.0002 260 2.0

FXC180 1800 ≦16 14.2 ≦0.0002 270 2.0

FXC160 1600 ≦16 14.0 ≦0.0002 240 2.0

FXC140 1400 ≦16 13.8 ≦0.0002 220 2.0

FXC120 1200 ≦16 13.6 ≦0.0002 210 2.0

FXC100 1000 ≦16 13.4 ≦0.0002 200 2.0

FXC800 800 ≦16 13.2 ≦0.0002 190 2.0

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 First Magnetics Co., Ltd Microwave Ferrite Properties

Ni Series Ferrite Materials

Characteristic

1. Ms is high, adjustable range is large, spin wave line width is high;,

2 .Curie temperature is high and temperature stability is good.

3. High density and good compactness

Applications
Use for above X band and millimeter wave coaxial, strip line, micro strip, waveguide isolator, circulator and other

devices.

Product brand and technical index

Ni series ferrite
TYPES 4πMs ΔH ε＇ Tc △Hk
(G)±5% (Oe) ±5% tanδε (℃) (Oe)±2%

FXN520 5200 ≦100 13.5 ≦0.0005 400 8.0

FXN420 4200 ≦250 13.0 ≦0.0005 400 8.0

FXN400 4000 ≦250 13.0 ≦0.0005 400 12.0

FXN350 3500 ≦250 13.0 ≦0.0005 400 12.0

FXN300 3000 ≦300 13.0 ≦0.0005 400 12.0

FXN250 2500 ≦240 12.6 ≦0.0005 400 12.0

FXN210 2100 ≦240 12.6 ≦0.0005 400 12.0

FXN450P 4500 ≦200 12.5 ≦0.0005 400 20.0

FXN400P 4000 ≦200 12.5 ≦0.0005 400 20.0

FXN330P 3300 ≦200 12.5 ≦0.0005 400 20.0

FXN300P 3000 ≦200 12.5 ≦0.0005 400 20.0

FXN250P 2500 ≦200 12.5 ≦0.0005 400 20.0

FXN230P 2300 ≦200 12.5 ≦0.0005 400 20.0

FXN210P 2100 ≦200 12.5 ≦0.0005 400 20.0

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 First Magnetics Co., Ltd Microwave Ferrite Properties

Li Series Ferrite Materials

 Characteristic

1. Ms is high, adjustable range is large, and losses are low.

2. Curie temperature is high and temperature stability is good.

3. High remanence ratio with rectangular hysteresis loop.

 Applications
Used in phase shifter and low field and low loss coaxial, stripline isolator, circulator and other devices.

 Product brand and technical index

Li series ferrite
TYPES 4πMs ΔH ε＇ Tc △Hk
(G)±5% (Oe) ±5% tanδε (℃) (Oe)±2%
FXL400 4000 ≦250 15.0 ≦0.001 570 2.8

FXL380 3800 ≦250 15.4 ≦0.001 450 2.8

FXL320 3200 ≦250 15.5 ≦0.001 400 2.8

FXL300 3000 ≦250 15.3 ≦0.001 400 2.8

FXL280 2800 ≦250 15.8 ≦0.001 350 2.8

FXL260 2600 ≦250 15.6 ≦0.001 350 2.8

FXL230 2300 ≦250 15.5 ≦0.001 350 2.8

FXL210 2100 ≦250 15.7 ≦0.001 350 2.8

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 First Magnetics Co., Ltd Microwave Ferrite Properties

Microwave Dielectric Ceramic Products

 Dielectric Constant Commonly Used in Microwave Dielectric Ceramics

1: K20-dielectric constant 20;

2: K30-dielectric constant 30;

3: K50-dielectric constant 50;

 Common Dimensions of Microwave Dielectric Ceramic Rings ;

NO Outer Diameter (mm) Inner Diameter (mm)

1 D5 d3.8

2 D5.5 d4.4

3 D6 d4.8

4 D7 d5.8-d6.2

5 D8-D9 d5.5-d6.5

6 D10 d7.8-d8

7 D11-D13 d9.5-d10

8 D15 d11.3-d12.5

9 D19-D20 d17-d18

10 D20-D25 d15.4-d18.5

Note: It can be customized according to customer's requirements.

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