NTC Thermistor
Page 1 of 3 6-Aug-09
SAMPLE DETAILS
Customer: Farnell
Customer Part No.:
Sample Reference Number
Betatherm Part No.: 5K3A373I
DESCRIPTION
The BetaCURVE Chip is Soldered to 30AWG Solid Silver Plated Copper wire with White Kynar Insulation
Device is Encapsulated in Stycast Epoxy Resin
PERFORMANCE SPECS
Parameters Units Value
Resistance @ +25°C Ohms 5,000
Resistance tolerance from 0°C to 70°C °C ±0.2
Beta Value 25/85 K 3976
Tolerance on Beta Value 25/85 % ±0.5
Time response in Liquids Seconds <1
Dissipation Constant in still air mW/°C 0.85
MECHANICAL DETAILS
Dimensions
ABC
10 ± 2mm 200 ± 10mm 2.4mm Maximum
Note 1 30AWG Solid Silver Plated Copper with White Kynar Insulation
Note 2 Black Stycast Epoxy
NTC Thermistor
Page 2 of 3 6-Aug-09
RESISTANCE V TEMPERATURE TABLE
Temp. oC Ohms Temp. oC Ohms Temp. oC Ohms Temp. oC Ohms
-40 167,864
-39 157,113
-38 147,119
-37 137,822
-36 129,170
-35 121,116
-34 113,613
-33 106,621
-32 100,103
-31 94,024
-30 88,351
-29 83,055
-28 78,108
-27 73,487
-26 69,167
-25 65,128
-24 61,348
-23 57,811
-22 54,500
-21 51,398
-20 48,491
-19 45,766
-18 43,210
-17 40,813
-16 38,563
-15 36,450
-14 34,465
-13 32,601
-12 30,848
-11 29,200
-10 27,650
-9 26,191
-8 24,817
-7 23,524
-6 22,306
-5 21,158
-4 20,075
-3 19,055
-2 18,092
-1 17,183
0 16,325
1 15,516
2 14,750
3 14,027
4 13,344
5 12,698
6 12,087
7 11,508
8 10,961
9 10,443
10 9,952
11 9,487
12 9,046
13 8,629
14 8,233
15 7,857
16 7,501
17 7,162
18 6,841
19 6,536
20 6,247
21 5,972
22 5,710
23 5,461
24 5,225
25 5,000
26 4,786
27 4,582
28 4,388
29 4,204
30 4,028
31 3,860
32 3,701
33 3,549
34 3,403
35 3,265
36 3,133
37 3,007
38 2,887
39 2,772
40 2,662
41 2,558
42 2,458
43 2,362
44 2,271
45 2,183
46 2,100
47 2,020
48 1,944
49 1,870
50 1,800
51 1,733
52 1,669
53 1,608
54 1,549
55 1,493
56 1,438
57 1,387
58 1,337
59 1,289
60 1,244
61 1,200
62 1,158
63 1,117
64 1,078
65 1,041
66 1,005
67 971
68 938
69 906
70 876
71 846
72 818
73 791
74 765
75 740
76 716
77 693
78 670
79 649
80 628
81 608
82 589
83 570
84 552
85 535
86 519
87 503
88 487
89 472
90 458
91 444
92 431
93 418
94 406
95 393
96 382
97 371
98 360
99 349
100 339
101 330
102 320
103 311
104 302
105 294
106 285
107 277
108 270
109 262
110 255
111 248
112 241
113 235
114 228
115 222
116 216
117 211
118 205
119 200
120 194
121 189
122 184
123 180
124 175
125 170
NTC Thermistor
Page 3 of 3 6-Aug-09
SAMPLE ACCEPTANCE
Customer Approval
Date
NORTH AMERICA EUROPE ASIA
Measurement Specialties, Inc.
910 Turnpike Road
Shrewsbury, MA 01545
Tel: 1-508-842-0516
Fax: 1-508-842-0342
Sales: temperature.cs.amer@meas-
spec.com
Measurement Specialties, Inc
Ballybrit Business Park
Galway Ireland
Tel: +353-91-753238
Fax: +353-91-770789
Sales: temperature.cs.emea@meas-
spec.com
Measurement Specialties
(China) Ltd.
No. 26, Langshan Road,
Shenzhen High-tech Park
(North)
Nanshan District, Shenzhen,
China 518107
Sales: temperature.cs.asia@meas-
spec.com
The information in this sheet has been carefully reviewed and is believed to be accurate; however, no responsibility is assumed for
inaccuracies. Furthermore, this information does not convey to the purchaser of such devices any license under the patent rights to the
manufacturer. Measurement Specialties, Inc. reserves the right to make changes without further notice to any product herein. Measurement
Specialties, Inc. makes no warranty, representation or guarantee regarding the suitability of its product for any particular purpose, nor does
Measurement Specialties, Inc. assume any liability arising out of the application or use of any product or circuit and specifically disclaims
any and all liability, including without limitation consequential or incidental damages. Typical parameters can and do vary in different
applications. All operating parameters must be validated for each customer application by customer’s technical experts. Measurement
Specialties, Inc. does not convey any license under its patent rights nor the rights of others.
