55008 Precision Glass NTC Thermistor
Model Number 55008 Rev A www.meas-spec.com 30 June 2008
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• Excellent Long Term Stability
• Glass Hermetic Seal
• Use up to 200°C
• 30,000 ohm Resistance @ 25°C
• Interchangeable ±0.2°C, 0°C to 70°C,
• Pressed Disk Ceramic Sensor
• High sensitivity
• 0.095″ (2.4 mm) Maximum Diameter
• 32 AWG, 2.5″ (6.4 cm) long Gold Plated
Dumet leads
• RoHS Compliant
DESCRIPTION
Moisture-proof Hermetic Glass Encapsulated Precision Interchangeable NTC Thermistor utilizing high stability
pressed-disk ceramic sensor for general applications.
FEATURES APPLICATIONS
• Glass Hermetic Seal • High Moisture Applications
• 30,000 Ohm Resistance @ 25°C • Mid to High Range Temperature Applications
• 0.095″ (2.4 mm) Maximum Diameter • Drop in Replacement for 44000 Series Epoxy
• Interchangeability • Tight Tolerance Instrumentation
• Excellent High Temperature Performance • Use up to 200°C
• Excellent Long Term Stability • Applications Requiring Improved Stability
• High Sensitivity • Applications Requiring Sensing Small Changes in
Temperature
• RoHS Compliance • Allows use in Applications World-wide
PERFORMANCE SPECS
Parameter Units Value
Resistance @ 25°C Ohms 30,000
Tolerance 0°C to 70°C °C ± 0.2
Beta Value 25/85 K 3943
Tolerance on Beta Value % 0.8
Time response in air Seconds < 15
Dissipation Constant in air mW/°C 1.5
Insulation Resistance (Min. of 100Mohms for 1 Sec.) Volts 500
55008 Precision Glass NTC Thermistor
Model Number 55008 Rev A www.meas-spec.com 30 June 2008
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MECHANICAL DETAILS
RESISTANCE V TEMPERATURE TABLE
Temp °C K-Ohms Temp °C K-Ohms Temp °C K-Ohms Temp °C K-Ohms Temp °C K-Ohms
-40 884.6 0 94.98 40 16.15 80 3.843 120 1.176
-39 830.9 1 90.41 41 15.52 81 3.720 121 1.145
-38 780.8 2 86.09 42 14.92 82 3.602 122 1.114
-37 733.9 3 81.99 43 14.35 83 3.489 123 1.085
-36 690.2 4 78.11 44 13.80 84 3.379 124 1.057
-35 649.3 5 74.44 45 13.28 85 3.273 125 1.029
-34 611.0 6 70.96 46 12.77 86 3.172 126 1.002
-33 575.2 7 67.66 47 12.29 87 3.073 127 0.9763
-32 541.7 8 64.53 48 11.83 88 2.979 128 0.9511
-31 510.4 9 61.56 49 11.39 89 2.887 129 0.9267
-30 481.0 10 58.75 50 10.97 90 2.799 130 0.9030
-29 453.5 11 56.07 51 10.57 91 2.714 131 0.8800
-28 427.7 12 53.54 52 10.18 92 2.632 132 0.8577
-27 403.5 13 51.13 53 9.807 93 2.552 133 0.8361
-26 380.9 14 48.84 54 9.450 94 2.476 134 0.8150
-25 359.6 15 46.67 55 9.109 95 2.402 135 0.7946
-24 339.6 16 44.60 56 8.781 96 2.331 136 0.7748
-23 320.9 17 42.64 57 8.467 97 2.262 137 0.7556
-22 303.3 18 40.77 58 8.166 98 2.195 138 0.7369
-21 286.7 19 38.99 59 7.876 99 2.131 139 0.7188
-20 271.2 20 37.30 60 7.599 100 2.069 140 0.7012
-19 256.5 21 35.70 61 7.332 101 2.009 141 0.6841
-18 242.8 22 34.17 62 7.076 102 1.950 142 0.6675
-17 229.8 23 32.71 63 6.830 103 1.894 143 0.6513
-16 217.6 24 31.32 64 6.594 104 1.840 144 0.6356
-15 206.2 25 30.00 65 6.367 105 1.788 145 0.6203
-14 195.4 26 28.74 66 6.149 106 1.737 146 0.6055
-13 185.2 27 27.54 67 5.940 107 1.688 147 0.5911
-12 175.6 28 26.40 68 5.738 108 1.640 148 0.5771
-11 166.6 29 25.31 69 5.545 109 1.594 149 0.5635
-10 158.0 30 24.27 70 5.359 110 1.550 150 0.5502
-9 150.0 31 23.28 71 5.180 111 1.507
-8 142.4 32 22.33 72 5.007 112 1.465
-7 135.2 33 21.43 73 4.842 113 1.425
-6 128.5 34 20.57 74 4.682 114 1.386
-5 122.1 35 19.74 75 4.529 115 1.348
-4 116.0 36 18.96 76 4.381 116 1.311
-3 110.3 37 18.21 77 4.239 117 1.276
-2 104.9 38 17.49 78 4.102 118 1.241
-1 99.80 39 16.80 79 3.970 119 1.208
55008 Precision Glass NTC Thermistor
Model Number 55008 Rev A www.meas-spec.com 30 June 2008
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ORDERING INFORMATION
Part Number Description Ω @25ºC MOQ
055105 55008 GEM THERM 30,000 200
055305 55008-BP (100 PCS) GEM THERM 30,000 200
* For quantities less than Minimum Order Quantity – contact distribution
NORTH AMERICA EUROPE ASIA
Measurement Specialties, Inc.
910 Turnpike Road
Shrewsbury, MA 01545
Tel: 1-508-842-0516
Fax: 1-508-842-0342
Sales email:
temperature.sales.amer@meas-spec.com
Measurement Specialties, Inc
Ballybrit Business Park
Galway Ireland
Tel: +353-91-753238
Fax: +353-91-770789
Sales email:
temperature.sales.emea@meas-spec.com
Measurement Specialties (China) Ltd.
No. 26 Langshan Road
Shenzhen High-Tech Park (North)
Nanshan District, Shenzhen 51807
China
Tel: +86 (0) 755 33305088
Fax: +86 (0) 755 33305099
Sales email:
temperature.sales.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.
