Product

Fine ceramics

“HIZIRCO” features high purity, uniform spherical particles.We have completed more than 100 development projects until now.

Dielectric ceramics for microwaves【HIZIRCO MWF series】

Device
・Microwave integrated circuits・Filters for mobile communication apparatuses・Dielectric resonators・Dielectric boards
Standard Grade
Grade Dielectric Constant εr f0 × Q Value Temperature Coefficient※ τｆ（ppm/℃） Sintering Temperature ℃(±20) Sintered Density(g/cm3) Sintered Color
Spec Normal Value
MWF-5N 5 ＞50000 (@12GHz) 63000 -19±5 1390 2.5
MWF-5N 5 ＞40000 (@12GHz) 47000 -4±5 1370 2.6
MWF-9 9 ＞25000 (@9.8GHz) 30000 0±5 1350 3.2
MWF-21 21 ＞60000 (@6.5GHz) 68000 5±5 1320 3.7
MWF-21R 21 ＞60000 (@6.5GHz) 68000 5±5 1320 3.7
MWF-38GN 38 ＞47000 (@5GHz) 49000 0.7±0.5 1360 5.1
MWF-38U 38 ＞45000 (@5GHz) 49000 6±3.5 1380 4.5
MWF-45 46 ＞45000 (@4.5GHz) 47000(τf-2)～
46000(τf+6)		 -2±0.5～6±0.5 1380 4.7
MWF-80M 82 ＞7500 (@3.5GHz) 8000 0±5 1290 5.6
MWF-93FN 92 ＞6000 (@3.2GHz) 6500 5±5 1310 5.7
MWF-100FN 100 ＞4000 (@3GHz) 4500 5±6 1290 5.8

※Some grade can customize τf value and tolerance

Developed Grade
Grade Dielectric Constant εr f0 × Q Value Temperature Coefficient※ τｆ（ppm/℃） Sintering Temperature ℃(±20) Sintered Density(g/cm3) Sintered Color
Spec Normal Value
MWF-13 14 ＞35000 (@7.9GHz) 40000 5±5 1320 3.5
MWF-30 29 ＞90000 (@5GHz) 90000 3 1550 7.7
MWF-60M 62 ＞10000 (@4GHz) 11000 0±5 1290 5.2
MWF-70M 72 ＞9000 (@5GHz) 10000 0±5 1290 5.5
MWF-93DM 92 ＞5500 (@3GHz) 5800 0±10 1300 5.6
MWF-100F 97 ＞4000 (@3GHz) 4500 10±10 1300 5.8
MWF-110 109 ＞3500 (@3GHz) 4000 -10±10 1300 4.9

PZT piezoelectric ceramics【HIZIRCO PZT series】

Device
・Ultrasound transducer・Sonar・Transformer・Piezo speaker・Frequency filter
Grade Mechanical Quality Relative Dielectric Constant Electro Mechanical Coupling Coefficient Piezoelectric Strain Constants Sintering Temp Density of Sintered Body
Qm εS kr(%) k33(%) d33(×10-12m/V) ℃ g/cm3
A 55 5500 60 70 660 1250 7.9
AD-O 64 3900 72 78 600 1250 7.8
AC 65 5000 66 74 630 1250 7.8
L 75 1800 62 70 400 1200 7.8
HM 1780 1550 60 72 340 1260 7.7

Multi-layered PZT ceramics【HIZIRCO PZT series】

Device
・ML capacitor・ML transformer・ML speaker
Grade Mechanica Quality Relative Dielectric Constant Electro Mechanical Coupling Coefficient Piezoelectric Strain Constants Sintering Temp Density of Sintered Body
Qm εS kr(%) k33(%) d33(×10-12m/V) ℃ g/cm3
AL 110 3500 64 74 635 1050 7.8
AC750 117 2990 58 68 500 850 7.9
ALT 292 2120 67 76 500 1050 7.9
MPT 2000 1300 62 70 290 1050 7.9

Ceramics PTC【HIZIRCO B series】

Device
・PTC ceramic heater・Circuit protection parts・Heat protection parts
Grade Curie Temp. TC(℃) Resistivity(Ω・cm) Break Down Voltage(V/mm) Jump×106 α　%/℃ Sintering Temp.
B-05 50 30～ 200～ 12.0～ 14～ 1320
B-06 60 30～ 200～ 12.0～ 14～ 1340
B-12 120 12～ 40～ 0.1～ 7～ 1300

Ceramics for capacitor【HIZIRCO C series】

Device
・High voltage capacitor・Temperature compensation-Type Capacitor・Feed through-Type Capacitor・Noise suppression filters
Device Dielectric Constant Dielectric loss factor Insulation resistance Temperature coefficient Sintering Temp Density of Sintered Body
K % Ω ℃ g/cm3
CN330 60 <1.0 ×1012 S2H 1275 4.4
C100 100 <0.2 ×1013 S7H 1320 5.6
CSL300 300 <0.2 ×1010 SL 1320 4.5
CBT1500 1500 <0.2 ×109 Y5T 1220 5.7
CBT2000 2000 <0.2 ×1010 Y5S 1230 5.7
CBT4000 4000 <1.7 ×108 Y5U 1350 6.0