• Temperaturerange-40to+125°C
• Availableinarangeofsizes
• Resistancevaluesfrom2.2-100kΩ
• Customdesignsavailable
• Highertemperaturerangeavailable
SMTRingTerminalProbeETP-RT-
Orderinginformationforstandardstockmodel:
Technicalparametersforstockmodel
Unit Value
Nominal resistance at +25°C Ohms 10,000
Resistance tolerance from 0..70°C ºC +/- 0.2
Beta value 25/85 K 3976
Tolerance on Beta value 25/85 % +/- 0.5
Dissipation constant in still air mW/°C 2
Operating temperature °C -40 to +125
Epoxy thermal conductivity W/(m.K) 1.7
Temperaturesensor
Materials
Leads and insulation 28AWG Solid silver plated copper leads with white Kynar insulation
Probe material Tin plated brass
• Commercialaircraft
• Industrialequipment
• Transit
• HVAC
• Powerandutilities
• Computers
• Homeappliances
• Calibrationandinstrumentation
• Costeffective-offtheshelfmodel
• Solid tin plated lead wires
• Stock model - reduced lead times
• Improved potting epoxy has outstanding thermal conductivity for faster response times
Applications
Stockmodelnumber:
ETP-RT-4-24-10K3A1B
(A)(L)(T)
 -Thermistortype
-Probecablelength
-Probethreadsize
Orderinginformationforcustomdesigns:
Features
L=240mm+/-5mm
A=M4
Hole
4mm+/-0.1mm
5mm
+/-1mm
11.73max.
A
L
TLA
Usetheinformationbelowtobuildupacustomprobedesign.
A
Probe thread size
Order Code A = 5 6 7 8 x
Thread size in mm M5 M6 M7 M8 Optional thread size
L
Probe cable length
Order Code L = 5 10 15 20 23 25 30 35 40 45 x
Length in mm +/- 5 mm 50 100 150 200 230 250 300 350 400 450 Custom length
T
Thermistor type
Order Code T = All thermistor types available: Insert details as required
Subject to change without notice
Variohm EuroSensor - Williams‘ Barn - Tiffield Road -Towcester - Northants -NN12 6HP - UK
sales@variohm.com • www.variohm.com • +44 (0) 1327 351004
ETP-RT - English - 08/12
Temp. °C Ohms
89 944.7
90 916.0
91 888.3
92 861.5
93 835.7
94 810.8
95 786.8
96 763.6
97 741.2
98 719.5
99 698.6
100 678.4
101 658.9
102 640.0
103 621.8
104 604.1
105 587.1
106 570.6
107 554.6
108 539.2
109 524.3
110 509.8
111 495.8
112 482.3
113 469.2
114 456.5
115 444.2
116 432.3
117 420.8
118 409.6
119 398.8
120 388.3
121 378.2
122 368.3
123 358.8
124 349.5
125 340.6
Temp. °C Ohms
-40 336,052
-39 314,512
-38 294,487
-37 275,863
-36 258,533
-35 242,399
-34 227,373
-33 213,371
-32 200,318
-31 188,144
-30 176,786
-29 166,183
-28 156,280
-27 147,029
-26 138,382
-25 130,296
-24 122,732
-23 115,653
-22 109,025
-21 102,817
-20 97,000
-19 91,547
-18 86,433
-17 81,636
-16 77,134
-15 72,907
-14 68,937
-13 65,206
-12 61,700
-11 58,403
-10 55,301
-9 52,383
-8 49,636
-7 47,049
-6 44,612
-5 42,315
-4 40,150
-3 38,109
-2 36,183
-1 34,366
0 32650
1 31,030
2 29,500
Temp. °C Ohms
3 28,054
4 26,687
5 25,395
6 24,172
7 23,016
8 21,921
9 20,884
10 19,903
11 18,973
12 18,092
13 17,257
14 16,465
15 15,714
16 15,001
17 14,324
18 13,682
19 13,073
20 12,493
21 11,943
22 11,420
23 10,923
24 10,450
25 10,000
26 9,572.0
27 9,164.7
28 8,777.0
29 8,407.8
30 8,056.1
31 7,721.0
32 7,401.7
33 7,097.3
34 6,807.1
35 6,530.3
36 6,266.3
37 6,014.3
38 5,773.8
39 5,544.3
40 5,325.0
41 5,115.7
42 4,915.6
43 4,724.5
44 4,541.7
45 4,367.1
Temp. °C Ohms
46 4,200.0
47 4,040.2
48 3,887.4
49 3,741.1
50 3,601.1
51 3,467.1
52 3,338.7
53 3,215.8
54 3,098.0
55 2,985.2
56 2,877.0
57 2,773.3
58 2,673.9
59 2,578.6
60 2,487.1
61 2,399.4
62 2,315.2
63 2,234.4
64 2,156.8
65 2,082.3
66 2,010.8
67 1,942.1
68 1,876.0
69 1,812.6
70 1751.6
71 1,693.0
72 1,636.6
73 1,582.4
74 1,530.2
75 1,480.1
76 1,431.8
77 1,385.3
78 1,340.6
79 1,297.5
80 1,256.1
81 1,216.1
82 1,177.7
83 1,140.6
84 1,104.9
85 1,070.4
86 1,037.3
87 1,005.3
88 974.4
Resistancev.temperaturetablefor10K3A1BThermistor