Technical Data

기술데이터   |   Technical Data

▷ 제품의 온도별 저항값 측정 DATA
▷ Measured resistance value of product by temperature DATA

R(Ω) / T(℃) 140 Ω 150 Ω 160 Ω 170 Ω
35 ℃ 145 Ω 155 Ω 165 Ω 175 Ω
40 ℃ 146 Ω 157 Ω 167 Ω 178 Ω
50 ℃ 149 Ω 160 Ω 170 Ω 178 Ω
60 ℃ 153 Ω 164 Ω 174 Ω 182 Ω
70 ℃ 157 Ω 169 Ω 179 Ω 188 Ω
80 ℃ 161 Ω 175 Ω 184 Ω 191 Ω
80 ℃ 161 Ω 175 Ω 184 Ω 191 Ω
90 ℃ 165 Ω 179 Ω 188 Ω 198 Ω
100 ℃ 169 Ω 184 Ω 193 Ω 201 Ω
110 ℃ 174 Ω 189 Ω 196 Ω 206 Ω
120 ℃ 178 Ω 191 Ω 200 Ω 210 Ω
130 ℃ 182 Ω 199 Ω 204 Ω 215 Ω
140 ℃ 186 Ω 204 Ω 209 Ω 219 Ω
150 ℃ 190 Ω 209 Ω 215 Ω 224 Ω
160 ℃ 194 Ω 214 Ω 218 Ω 229 Ω
170 ℃ 198 Ω 219 Ω 223 Ω 233 Ω
180 ℃ 202 Ω 224 Ω 227 Ω 238 Ω
190 ℃ 204 Ω 229 Ω 232 Ω 243 Ω
200 ℃ 210 Ω 234 Ω 237 Ω 247 Ω

▷ 순도에 따른 알루미나 기판의 물성
▷ Physical Properties of Alumina Substrate by Purity

Property Units Aluminum oxide Weight percent as indicated
85 92 94 95 99.5 99.9
Density g/cm2 3.41 3.6 3.72 3.72 3.89 3.95
Water absorption 0 0 0 0 0 0
TCE* 10-6/ 5.3 5.5 6.3 6.0 7.1 6.5
Max.service temp ℃ 1400 1500 1500 1700 1750 1900
Thermal conductivity ** W/mK 15 16 18 26 36 39
Tensile strength ** 106lb/in2 22 28 28 38 45
Compressive strength ** 106lb/in2 280 305 300 380 550
Flexural strength ** 106lb/in2 43 46 51 52 55 80
Modules of elasticity 106lb/in2 32 39 41 44 54 55
Shear modules 106lb/in2 14 17 18 22 23
Hardness R45N 73 78 78 83 90
Thermal shock resist moderate poor excellent good
Dielectric constant *** 8.2 8.5 8.9 9.0 9.7 9.7
Thermal shock resist 0.0009 0.0001 0.0001 0.0003 0.0002
Resistivity ** cm ≥1014 ≥1014 ≥1014 ≥1014 ≥1014

* 25~200℃  /  ** at 25℃  /  *** at 1 ㎒

▷ 제품의 온도별 저항값 측정 DATA
▷ Measured resistance value of product by temperature DATA

세라믹 히터의 성능은 최대 사용전압 220V AC를 사용 초기저항은 환경 온도 섭씨 25℃때 160Ω±10%로하여 45W의 상시 소비전력을 나타내고 있으며, 이때 세라믹 히터의 발열 온도는 500℃ ±10%이다.

The performance of the ceramic heater uses the maximum working voltage 220V AC, The initial resistance is 160 Ω ± 10% when the ambient temperature is 25 ° C, At this time, the power consumption is 45W, and the heating temperature of the ceramic heater is 500 ° C ± 10%.