Curve 43

Curve 43 1 °C Rt/R25 Ratio Table

Updated Nov 5, 2026

Download PDF R/T Specifications Calculator (XLSX)

North Star Sensors Curve 43

1 °C Ratio Table

To calculate the resistance value at a specific temperature point, multiply the corresponding Rt/R25 ratio by the resistance at 25 °C.

°C	Rt/R25
-50	56.432
-49	52.782
-48	49.390
-47	46.236
-46	43.301
-45	40.570
-44	38.027
-43	35.658
-42	33.451
-41	31.393
-40	29.473
-39	27.682
-38	26.010
-37	24.448
-36	22.990
-35	21.626
-34	20.351
-33	19.159
-32	18.043
-31	16.999
-30	16.020
-29	15.104
-28	14.245
-27	13.440
-26	12.685
-25	11.977
-24	11.312
-23	10.687
-22	10.101
-21	9.5501
-20	9.0322
-19	8.5453
-18	8.0873
-17	7.6564
-16	7.2508
-15	6.8689
-14	6.5092
-13	6.1703
-12	5.8509
-11	5.5498
-10	5.2658

°C	Rt/R25
-10	5.2658
-9	4.9979
-8	4.7450
-7	4.5063
-6	4.2809
-5	4.0680
-4	3.8668
-3	3.6767
-2	3.4969
-1	3.3269
0	3.1660
1	3.0138
2	2.8697
3	2.7332
4	2.6040
5	2.4815
6	2.3655
7	2.2554
8	2.1511
9	2.0522
10	1.9583
11	1.8692
12	1.7846
13	1.7043
14	1.6280
15	1.5556
16	1.4867
17	1.4212
18	1.3590
19	1.2998
20	1.2434
21	1.1899
22	1.1388
23	1.0903
24	1.0440
25	1.0000
26	0.95804
27	0.91804
28	0.87993
29	0.84358
30	0.80892

°C	Rt/R25
30	0.80892
31	0.77586
32	0.74431
33	0.71421
34	0.68547
35	0.65804
36	0.63184
37	0.60681
38	0.58290
39	0.56004
40	0.53820
41	0.51732
42	0.49735
43	0.47825
44	0.45997
45	0.44249
46	0.42575
47	0.40973
48	0.39439
49	0.37970
50	0.36563
51	0.35214
52	0.33922
53	0.32683
54	0.31496
55	0.30357
56	0.29265
57	0.28218
58	0.27213
59	0.26248
60	0.25323
61	0.24434
62	0.23581
63	0.22762
64	0.21975
65	0.21219
66	0.20493
67	0.19795
68	0.19123
69	0.18478
70	0.17858

°C	Rt/R25
70	0.17858
71	0.17261
72	0.16688
73	0.16136
74	0.15604
75	0.15093
76	0.14601
77	0.14127
78	0.13671
79	0.13231
80	0.12808
81	0.12400
82	0.12007
83	0.11629
84	0.11264
85	0.10912
86	0.10573
87	0.10246
88	0.099300
89	0.096256
90	0.093319
91	0.090486
92	0.087751
93	0.085111
94	0.082562
95	0.080101
96	0.077725
97	0.075429
98	0.073212
99	0.071070
100	0.069000
101	0.066997
102	0.065061
103	0.063190
104	0.061381
105	0.059632
106	0.057940
107	0.056304
108	0.054722
109	0.053191
110	0.051709

°C	Rt/R25
110	0.051709
111	0.050276
112	0.048888
113	0.047545
114	0.046245
115	0.044985
116	0.043766
117	0.042585
118	0.041441
119	0.040333
120	0.039259
121	0.038219
122	0.037211
123	0.036233
124	0.035286
125	0.034367
126	0.033476
127	0.032612
128	0.031774
129	0.030962
130	0.030173
131	0.029408
132	0.028666
133	0.027945
134	0.027246
135	0.026567
136	0.025908
137	0.025268
138	0.024647
139	0.024043
140	0.023457
141	0.022888
142	0.022334
143	0.021797
144	0.021274
145	0.020767
146	0.020273
147	0.019794
148	0.019327
149	0.018874
150	0.018433