Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
Multilayer NTC Thermistors
● Temperature and Resistance value (the resistance value at 25 °C is set to 1)/ Reference values
ERTJ□□A~
ERTJ□□G~ ERTJ□□M~ ERTJ□□P~ ERTJ□□R~ ERTJ0ES~ ERTJ1VS~ ERTJ□□T~ ERTJ□□T~ ERTJ□□V~
B25/50 2750 K 2800 K (3375 K) 3900 K 4050 K 4250 K 4330 K (4330 K) 4500 K 4500 K 4700 K
B25/85 (2700 K) (2750 K) 3435 K (3970 K) (4100 K) (4300 K) (4390 K) 4390 K (4450 K) (4580 K) (4750 K)
T(°C)
✽1✽2
-40
13.05 13.28 20.52 32.11 33.10 43.10 45.67 45.53 63.30 47.07 59.76
-35
10.21 10.40 15.48 23.29 24.03 30.45 32.08 31.99 42.92 33.31 41.10
-30
8.061 8.214 11.79 17.08 17.63 21.76 22.80 22.74 29.50 23.80 28.61
-25
6.427 6.547 9.069 12.65 13.06 15.73 16.39 16.35 20.53 17.16 20.14
-20
5.168 5.261 7.037 9.465 9.761 11.48 11.91 11.89 14.46 12.49 14.33
-15
4.191 4.261 5.507 7.147 7.362 8.466 8.743 8.727 10.30 9.159 10.31
-10
3.424 3.476 4.344 5.444 5.599 6.300 6.479 6.469 7.407 6.772 7.482
-5
2.819 2.856 3.453 4.181 4.291 4.730 4.845 4.839 5.388 5.046 5.481
0
2.336 2.362 2.764 3.237 3.312 3.582 3.654 3.650 3.966 3.789 4.050
5
1.948 1.966 2.227 2.524 2.574 2.734 2.778 2.776 2.953 2.864 3.015
10
1.635 1.646 1.806 1.981 2.013 2.102 2.128 2.126 2.221 2.179 2.262
15
1.380 1.386 1.474 1.567 1.584 1.629 1.642 1.641 1.687 1.669 1.710
20
1.171 1.174 1.211 1.247 1.255 1.272 1.277 1.276 1.293 1.287 1.303
25
1 1 1 1 1 1 1 1 1 1 1
30
0.8585 0.8565 0.8309 0.8072 0.8016 0.7921 0.7888 0.7890 0.7799 0.7823 0.7734
35
0.7407 0.7372 0.6941 0.6556 0.6461 0.6315 0.6263 0.6266 0.6131 0.6158 0.6023
40
0.6422 0.6376 0.5828 0.5356 0.5235 0.5067 0.5004 0.5007 0.4856 0.4876 0.4721
45
0.5595 0.5541 0.4916 0.4401 0.4266 0.4090 0.4022 0.4025 0.3874 0.3884 0.3723
50
0.4899 0.4836 0.4165 0.3635 0.3496 0.3319 0.3251 0.3254 0.3111 0.3111 0.2954
55
0.4309 0.4238 0.3543 0.3018 0.2881 0.2709 0.2642 0.2645 0.2513 0.2504 0.2356
60
0.3806 0.3730 0.3027 0.2518 0.2386 0.2222 0.2158 0.2161 0.2042 0.2026 0.1889
65
0.3376 0.3295 0.2595 0.2111 0.1985 0.1832 0.1772 0.1774 0.1670 0.1648 0.1523
70
0.3008 0.2922 0.2233 0.1777 0.1659 0.1518 0.1463 0.1465 0.1377 0.1348 0.1236
75
0.2691 0.2600 0.1929 0.1504 0.1393 0.1264 0.1213 0.1215 0.1144 0.1108 0.1009
80
0.2417 0.2322 0.1672 0.1278 0.1174 0.1057 0.1011 0.1013 0.09560 0.09162 0.08284
85
0.2180 0.2081 0.1451 0.1090 0.09937 0.08873 0.08469 0.08486 0.08033 0.07609 0.06834
90
0.1974 0.1871 0.1261 0.09310 0.08442 0.07468 0.07122 0.07138 0.06782 0.06345 0.05662
95
0.1793 0.1688 0.1097 0.07980 0.07200 0.06307 0.06014 0.06028 0.05753 0.05314 0.04712
100
0.1636 0.1528 0.09563 0.06871 0.06166 0.05353 0.05099 0.05112 0.04903 0.04472 0.03939
105
0.1498 0.1387 0.08357 0.05947 0.05306 0.04568 0.04340 0.04351 0.04198 0.03784 0.03308
110
0.1377 0.1263 0.07317 0.05170 0.04587 0.03918 0.03708 0.03718 0.03609 0.03218 0.02791
115
0.1270 0.1153 0.06421 0.04512 0.03979 0.03374 0.03179 0.03188 0.03117 0.02748 0.02364
120
0.1175 0.1056 0.05650 0.03951 0.03460 0.02916 0.02734 0.02742 0.02702 0.02352 0.02009
125
0.1091 0.09695 0.04986 0.03470 0.03013 0.02527 0.02359 0.02367 0.02351 0.02017 0.01712
R25=Resistance at 25.0±0.1 °C
R50=Resistance at 50.0±0.1 °C
R85=Resistance at 85.0±0.1 °C
B25/50=kn (R25/R50)
1/298.15–1/323.15 B25/85=kn (R25/R85)
1/298.15–1/358.15
✽1 Apply to products with a B25/50 constant of 4500 K and a resistance value of 25 °C less than 10 kΩ. ✽2 Applied only to ERTJ0ET104□.
✽2 Apply to products with a B25/50 constant of 4500 K and a resistance value of 25 °C of 10 kΩ or more. ✽2 Applied only to ERTJ0ET104□.
Dec. 201705