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33
DN
Vishay Dale
Document Number 33024
Revision 19-Mar-02 For technical questions, contact thermistor1@vishay.com
CURVE D A B C
BETA IN K
25/75 (°C)
RESIS. RATIO
0/50°C
RESIS. RATIO
25/125°C
TCR @ 25°C
(%/°C) R-T TCR R-T TCR R-T TCR R-T TCR
CURVE (%/°C) CURVE (%/°C) CURVE (%/°C) CURVE (%/°C)
- 58.00 - 50.00 23.62 5.400 40.06 6.100 67.06 7.20 98.20 7.40
- 49.00 - 45.00 18.13 29.62 47.81 67.83
- 40.00 - 40.00 14.05 5.050 22.06 5.900 34.01 6.70 47.34 7.00
- 31.00 - 35.00 10.94 16.59 24.49 33.37
- 22.00 - 30.00 8.623 4.700 12.51 5.500 17.84 6.20 23.76 6.60
- 13.00 - 25.00 6.849 9.633 13.12 17.06
- 4.00 - 20.00 5.461 4.400 7.431 5.100 9.766 5.80 12.39 6.30
5.00 - 15.00 4.410 5.780 7.331 9.072
14.00 - 10.00 3.588 4.10 4.534 4.80 5.552 5.50 6.700 5.90
23.00 - 5.00 2.932 3.879 4.246 4.989
32.00 0.00 2.417 3.80 2.848 4.50 3.269 5.10 3.746 5.60
41.00 5.00 2.002 2.281 2.539 2.835
50.00 10.00 1.674 3.60 1.844 4.30 1.988 4.80 2.161 5.30
59.00 15.00 1.397 1.494 1.567 1.661
68.00 20.00 1.194 3.40 1.216 4.00 1.245 4.50 1.284 5.10
77.00 25.00 1.000 3.30 1.000 3.90 1.000 4.40 1.000 4.90
86.00 30.00 0.8575 3.20 0.8260 3.80 0.9052 4.30 0.7844 4.80
95.00 35.00 0.7340 0.6858 0.6526 0.6190
104.00 40.00 0.6311 3.00 0.5726 3.60 0.5320 4.00 0.4915 4.50
113.00 45.00 0.5419 0.4804 0.4361 0.3926
122.00 50.00 0.4673 2.85 0.4051 3.40 0.3596 3.80 0.3174 4.30
131.00 55.00 0.4015 0.3425 0.2983 0.2547
140.00 60.00 0.3512 2.65 0.2915 3.20 0.2485 3.60 0.2069 4.10
149.00 65.00 0.3066 0.2489 0.2076 0.1689
158.00 70.00 0.2686 2.50 0.2137 3.00 0.1745 3.40 0.1385 3.90
167.00 75.00 0.2365 0.1837 0.1478 0.1142
176.00 80.00 0.2090 2.35 0.1592 2.90 0.1257 3.30 0.09453 3.70
185.00 85.00 0.1860 0.1385 0.1070 0.07863
194.00 90.00 0.1660 2.25 0.1206 2.70 0.09146 3.10 0.06568 3.50
203.00 95.00 0.1485 0.1055 0.07856 0.05509
212.00 100.00 0.1335 2.10 0.09242 2.60 0.06778 2.90 0.04640 3.40
221.00 105.00 0.1210 0.08137 0.05867 0.03923
230.00 110.00 0.1100 2.00 0.07182 2.50 0.05094 2.80 0.03329 3.30
239.00 115.00 0.1002 0.06367 0.04443 0.02836
248.00 120.00 0.09211 1.95 0.05653 2.30 0.03884 2.70 0.02424 3.10
257.00 125.00 0.08472 1.90 0.05033 2.30 0.03407 2.60 0.02059 3.00
266.00 130.00 0.07830 1.90 0.04488 2.20 0.02998 2.50 0.01789 3.00
275.00 135.00 0.07246 0.04022 0.02645 0.01545
284.00 140.00 0.06767 1.80 0.03622 2.10 0.02340 2.40 0.01338 2.90
293.00 145.00 0.06323 0.03267 0.02079 0.01162
302.00 150.00 0.05912 1.75 0.02679 2.00 0.01847 2.30 0.010110 2.70
STANDARD NTC CURVE CHARACTERISTICS
2925 ± 225 3545 ± 150 3965 ± 125 4500 ± 200
5.15 ± 8% 7.04 ± 5% 9.1 ± 5% 11.8 ± 6%
11.8 ± 15% 19.80 ± 10% 29.4 ± 10% 48.7 ± 10%
- 3.3 - 3.9 - 4.4 - 4.9
°F°C
TEMPERATURE
NTC Thermistors