103CT-4

■ High temperature axial type thermistor CT Thermistor The axial glass encapsulated CT series thermistor features excellent reliability and high heat resistance. ■ Product number explanation ■ Dimensions 103 CT －□□□□□ Glas Φ 0.5 lead wire Φ 1.8 Shape High temperature thermistor 28 ± 1 Rated zero-power resistance at 25 ℃ E.g.: 103 = 10 x 10³ Ω 28 ± 1 4.2 max. Unit: mm ■ Applications ■ Reliability data Home electronics, HVAC equipment, water heaters, kitchen appliances, solar systems, vending machines, refrigerated display cases, batteries, refrigerators Resistance to soldering heat ■ Specifications Solderability Product number Rated zero-power resistance1 Temperature 252CT-4 512CT-4 562CT-4 912CT-4 103CT-4 113CT-4 203CT-4 473CT-4 513CT-4 563CT-4 104CT-4 204CT-4 103CT-01006 103CT-21048 503CT-91027 104CT-90113 25 ℃ 25 25 50 25 ℃ ℃ ℃ ℃ Resistance Resistance tolerance 2.5 kΩ 5.1 kΩ 5.6 kΩ 9.1 kΩ 10 kΩ 11 kΩ ± 5% 20 kΩ 47 kΩ 51 kΩ 56 kΩ 100 kΩ 200 kΩ 10 kΩ ± 5% 10 kΩ ± 3% 19.727 kΩ ± 2.5% 100 kΩ ± 5% B value2 3670 3200 3200 3270 3270 3270 3410 3610 3610 3610 3450 3500 3900 4100 3992 4070 K K K K K K K K K K K K K K K K ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% Operating temperature range (℃) Item Lead wire ― 50 to 250 ― 50 to 200 Nickel plating ― 50 to 250 ― 30 to 150 ― 40 to 150 Tin plating ◦Dissipation factor: 2.1 mw / ℃　◦Thermal time constant3: approx. 10 to 20 s ◦Rated power at 25 ℃: 10.5 mW 1 : Rated zero-power resistance at each temperature 2: B value calculated from rated zeropower resistance at each temperature 3: Time required to reach 63.2% of temperature difference. Measured with sensor suspended in mid-air. ■ Resistance / temperature characteristics Temperature (℃) - 50 40 30 20 10 0 10 20 25 30 40 50 60 70 80 85 90 100 120 140 150 160 180 200 220 240 250 Test conditions 10 s at 260 ℃ (wave soldering) 3.5 s at 340 ℃ (soldering iron) 512CT 562CT 120.2 137.9 151.4 65.60 81.02 88.96 36.48 48.93 53.73 20.91 30.56 33.55 12.32 19.65 21.58 7.516 12.96 14.23 4.738 8.779 9.639 3.074 6.080 6.676 2.500 5.100 5.600 2.045 4.296 4.717 1.393 3.095 3.398 0.9698 2.267 2.489 0.6895 1.687 1.852 0.4993 1.270 1.394 0.3680 0.9650 1.060 0.3178 0.8443 0.9271 0.2757 0.7402 0.8128 0.2098 0.5736 0.6298 0.1267 0.3559 0.3908 0.08028 0.2298 0.2524 0.06494 0.1870 0.2053 0.05302 0.1534 0.1684 0.03630 0.1055 0.1158 0.02562 0.07445 0.08175 ■ Caution 912CT 103CT 113CT 278.3 305.8 336.4 159.9 175.7 193.3 94.63 104.0 114.4 58.02 63.76 70.13 36.67 40.29 44.32 23.82 26.18 28.79 15.92 17.49 19.24 10.91 11.99 13.18 9.100 10.00 11.00 7.627 8.381 9.219 5.442 5.980 6.578 3.952 4.342 4.777 2.918 3.206 3.527 2.184 2.400 2.640 1.656 1.820 2.002 1.448 1.592 1.751 1.269 1.394 1.534 0.9787 1.076 1.183 0.5952 0.6540 0.7194 0.3750 0.4121 0.4533 0.3016 0.3314 0.3646 0.2445 0.2686 0.2955 0.1643 0.1805 0.1986 0.1136 0.1249 0.1374 0.08063 0.08860 0.09746 0.05857 0.06436 0.07080 0.05031 0.05529 0.06082 203CT 604.8 350.2 207.9 127.8 81.00 52.63 35.15 24.02 20.00 16.74 11.88 8.570 6.239 4.581 3.401 2.943 2.553 1.937 1.156 0.7191 0.5752 0.4638 0.3091 0.2122 0.1497 0.1082 0.09271 473CT More than 50% soldered (More than 95% soldered)5, 6, 7 2 s at 245 ℃ Flux material: Rosin 25%, ethyl alcohol 75% Tensile strength 10 s at 5 N (horizontal pull) (lead wire) Termination 2.5 N, two times, 90° bending Three times natural fall to a maple board Free fall from 1 m height. Voltage proof 500 V AC for one minute Insulation 500 V DC resistance 1000 hours at 250 ℃ (200 ℃ )4 Dry heat (150 ℃ )5, 7 (125 ℃ )6 Damp heat 1000 hours at 40 ℃ and 90% humidity 5 cycles as below5: 1. - 30 ℃ for 30 minutes 2. Room temperature for 3 minutes Temperature 3. 200 ℃ for 30 minutes cycle (thermal shock) 4. Room temperature for 3 minutes (min. temp. - 40 ℃ , max. temp. 150 ℃ )5, 7 (min. temp. - 25 ℃ to 125 ℃ )6 : : : 7 : 4 5 6 ΔR, ΔB ± 2% and visual inspection Less than 1 mA Over 100 MΩ (Over 50 MΩ)5 ΔR, ΔB ± 3% 252CT, 512CT, 562CT 103CT-21048, 103CT-01006 503CT-91027 104CT-90113 Product number 252CT Criteria ΔR, ΔB ± 2% and visual inspection 513CT 1506 1634 867.5 941.3 512.6 556.2 313.4 340.1 197.2 214.0 127.1 138.0 84.16 91.32 56.86 61.70 47.00 51.00 39.01 42.33 27.07 29.37 19.05 20.68 13.58 14.74 9.807 10.64 7.187 7.798 6.180 6.706 5.328 5.781 3.997 4.337 2.337 2.535 1.425 1.546 1.129 1.226 0.9031 0.9799 0.5919 0.6423 0.4000 0.4341 0.2780 0.3016 0.1979 0.2148 0.1683 0.1827 563CT 104CT 1794 3200 1034 1863 610.8 1105 373.4 675.1 235.0 424.3 151.5 272.2 100.3 179.4 67.75 120.9 56.00 100.0 46.48 83.11 32.25 58.24 22.70 41.52 16.18 30.14 11.69 22.19 8.559 16.57 7.363 14.39 6.348 12.53 4.762 9.586 2.784 5.828 1.698 3.694 1.346 2.982 1.076 2.428 0.7052 1.647 0.4766 1.150 0.3312 0.8235 0.2358 0.6038 0.2006 0.5208 204CT 103CT21048 6803 3913 458.9 2306 223.1 1397 114.8 870.3 62.13 553.6 35.15 362.5 20.70 242.5 12.64 200.0 10.00 165.7 7.972 115.4 5.177 81.91 3.453 59.14 2.359 43.36 1.648 32.28 1.175 27.97 0.9988 24.33 0.8531 18.57 0.6302 11.24 0.3601 7.108 0.2172 5.732 0.1717 4.666 3.168 2.216 1.591 1.169 1.010 103CT01006 503CT91027 104CT90113 183.3 98.80 55.69 32.67 19.86 12.48 10.00 8.071 5.362 3.649 2.540 1.804 1.305 1.118 0.9609 0.7187 0.4196 0.2577 0.2054 1947 1010 547.9 309.7 181.6 110.2 68.90 55.06 44.30 29.22 19.73 13.61 9.574 6.860 5.844 4.999 3.700 2.115 1.127 1.002 1862 1011 571.0 334.0 201.7 125.5 100.0 80.21 52.55 35.23 24.12 16.84 11.97 10.16 8.654 6.354 3.574 2.115 1.654 Unit: kΩ • When soldering make sure to have a minimum distance from the glass encapsulated sensor head of 5 mm. • When working the lead wire make sure to fix the wire at a minimum distance from the glass encapsulated sensor head of 5 mm. 19