055110

SPECIALTIES **55031 Precision Glass NTC Thermistor** 

- **Excellent Long Term Stability** 

- **Glass Hermetic Seal** 

- **Use up to 200°C** 

- **10,000 ohm Resistance @ 25°C** 

- **Interchangeable ±0.1°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 

- 10,000 Ohm Resistance @ 25°C 

- 0.095″ (2.4 mm) Maximum Diameter 

- Interchangeability 

- Excellent High Temperature Performance 

- Excellent Long Term Stability 

- High Sensitivity 

- RoHS Compliance 

- High Moisture Applications 

- Low to Mid Range Temperature Applications 

- Drop in Replacement for 44000 Series Epoxy 

- Tight Tolerance Instrumentation 

- Use up to 200°C 

- Applications Requiring Improved Stability 

- Applications Requiring Sensing Small Changes in Temperature 

- Allows use in Applications World-wide 

## **PERFORMANCE SPECS** 

|**Parameter **<br>**Units**<br>**Value**<br>Resistance @ 25°C<br>Ohms<br>10,000<br>~~a~~|**Parameter **<br>**Units**<br>**Value**<br>Resistance @ 25°C<br>Ohms<br>10,000<br>~~a~~|**Parameter **<br>**Units**<br>**Value**<br>Resistance @ 25°C<br>Ohms<br>10,000<br>~~a~~|**Parameter **<br>**Units**<br>**Value**<br>Resistance @ 25°C<br>Ohms<br>10,000<br>~~a~~|
|---|---|---|---|
||Tolerance 0°C to 70°C|°C|± 0.1|
||Beta Value 25/85|K|3694|
||Tolerance on Beta Value|%|0.4|
||Time response in air|Seconds|< 15|
||Dissipation Constant in air|mW/°C|1.5|
||Insulation Resistance (Min. of 100Mohms for 1 Sec.)|Volts|500|



Model Number 55031 Rev A 

30 June 2008 

www.meas-spec.com 1/3 

## **55031 Precision Glass NTC Thermistor** 

## **MECHANICAL DETAILS** 

## **RESISTANCE V TEMPERATURE TABLE** 

|Temp°C<br>K-Ohms<br>Temp°C<br>K-Ohms<br>Temp°C<br>K-Ohms<br>Temp°C<br>K-Ohms<br>Temp°C<br>K-Ohms<br>-55<br>607.800<br>-15<br>61.020<br>25<br>10.000<br>65<br>2.3390<br>105<br>0.7126<br>-54<br>569.600<br>-14<br>58.010<br>26<br>9.605<br>66<br>2.2640<br>106<br>0.6936<br>-53<br>534.100<br>-13<br>55.170<br>27<br>9.227<br>67<br>2.1910<br>107<br>0.6753<br>-52<br>501.000<br>-12<br>52.480<br>28<br>8.867<br>68<br>2.1220<br>108<br>0.6575<br>-51<br>470.100<br>-11<br>49.940<br>29<br>8.523<br>69<br>2.0550<br>109<br>0.6403<br>-50<br>441.300<br>-10<br>47.540<br>30<br>8.194<br>70<br>1.9900<br>110<br>0.6235<br>-49<br>414.500<br>-9<br>45.270<br>31<br>7.880<br>71<br>1.9280<br>111<br>0.6073<br>-48<br>389.400<br>-8<br>43.110<br>32<br>7.579<br>72<br>1.8680<br>112<br>0.5916<br>-47<br>366.000<br>-7<br>41.070<br>33<br>7.291<br>73<br>1.8100<br>113<br>0.5764<br>-46<br>344.100<br>-6<br>39.140<br>34<br>7.016<br>74<br>1.7540<br>114<br>0.5616<br>-45<br>323.700<br>-5<br>37.310<br>35<br>6.752<br>75<br>1.7000<br>115<br>0.5473<br>-44<br>304.600<br>-4<br>35.570<br>36<br>6.500<br>76<br>1.6480<br>116<br>0.5334<br>-43<br>286.700<br>-3<br>33.930<br>37<br>6.258<br>77<br>1.5980<br>117<br>0.5199<br>-42<br>270.000<br>-2<br>32.370<br>38<br>6.026<br>78<br>1.5490<br>118<br>0.5068<br>-41<br>254.400<br>-1<br>30.890<br>39<br>5.805<br>79<br>1.5030<br>119<br>0.4941<br>-40<br>239.800<br>0<br>29.490<br>40<br>5.592<br>80<br>1.4580<br>120<br>0.4818<br>-39<br>226.000<br>1<br>28.150<br>41<br>5.389<br>81<br>1.4140<br>121<br>0.4698<br>-38<br>213.200<br>2<br>26.890<br>42<br>5.193<br>82<br>1.3720<br>122<br>0.4582<br>-37<br>201.100<br>3<br>25.690<br>43<br>5.006<br>83<br>1.3320<br>123<br>0.4469<br>-36<br>189.800<br>4<br>24.550<br>44<br>4.827<br>84<br>1.2930<br>124<br>0.4359<br>-35<br>179.200<br>5<br>23.460<br>45<br>4.655<br>85<br>1.2550<br>125<br>0.4253<br>-34<br>169.300<br>6<br>22.430<br>46<br>4.489<br>86<br>1.2180<br>126<br>0.4149<br>-33<br>160.000<br>7<br>21.450<br>47<br>4.331<br>87<br>1.1830<br>127<br>0.4049<br>-32<br>151.200<br>8<br>20.520<br>48<br>4.179<br>88<br>1.1490<br>128<br>0.3951<br>-31<br>143.000<br>9<br>19.630<br>49<br>4.033<br>89<br>1.1160<br>129<br>0.3856<br>-30<br>135.200<br>10<br>18.790<br>50<br>3.893<br>90<br>1.0840<br>130<br>0.3764<br>-29<br>127.900<br>11<br>17.980<br>51<br>3.758<br>91<br>1.0530<br>131<br>0.3674<br>-28<br>121.100<br>12<br>17.220<br>52<br>3.629<br>92<br>1.0230<br>132<br>0.3587<br>-27<br>114.600<br>13<br>16.490<br>53<br>3.504<br>93<br>0.9942<br>133<br>0.3503<br>-26<br>108.600<br>14<br>15.790<br>54<br>3.385<br>94<br>0.9663<br>134<br>0.3420<br>-25<br>102.900<br>15<br>15.130<br>55<br>3.270<br>95<br>0.9393<br>135<br>0.3340<br>-24<br>97.490<br>16<br>14.500<br>56<br>3.160<br>96<br>0.9132<br>136<br>0.3263<br>-23<br>92.430<br>17<br>13.900<br>57<br>3.054<br>97<br>0.8879<br>137<br>0.3187<br>-22<br>87.660<br>18<br>13.330<br>58<br>2.952<br>98<br>0.8634<br>138<br>0.3113<br>-21<br>83.160<br>19<br>12.790<br>59<br>2.854<br>99<br>0.8397<br>139<br>0.3042<br>-20<br>78.910<br>20<br>12.260<br>60<br>2.760<br>100<br>0.8168<br>140<br>0.2972<br>-19<br>74.910<br>21<br>11.770<br>61<br>2.669<br>101<br>0.7946<br>141<br>0.2904<br>-18<br>71.130<br>22<br>11.290<br>62<br>2.582<br>102<br>0.7731<br>142<br>0.2838<br>-17<br>67.570<br>23<br>10.840<br>63<br>2.497<br>103<br>0.7523<br>143<br>0.2774<br>-16<br>64.200<br>24<br>10.410<br>64<br>2.417<br>104<br>0.7321<br>144<br>0.2712<br>145<br>0.2651<br>146<br>0.2592<br>147<br>0.2534<br>148<br>0.2478<br>149<br>0.2423<br>150<br>0.2370<br>~~ee~~<br>~~oe~~<br>~~0~~<br>~~fe~~<br>~~ee~~ 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|---|



Model Number 55031 Rev A 

30 June 2008 

www.meas-spec.com 

2/3 

## **55031 Precision Glass NTC Thermistor** SPECIALTIES 

## **ORDERING INFORMATION** 

|**Part Number**|**Description**|**Ω @25ºC **|**MOQ**|
|---|---|---|---|
|055110|55031 GEM THERM|10,000|200|
|055310|55031-BP(100 PCS)GEM THERM|10,000|200|



* For quantities less than Minimum Order Quantity – contact distribution 

## **NORTH AMERICA** 

## **EUROPE** 

## **ASIA** 

Measurement Specialties, Inc. Measurement Specialties, Inc 910 Turnpike Road Ballybrit Business Park Shrewsbury, MA 01545 Galway Ireland Tel: 1-508-842-0516 Tel:  +353-91-753238 Fax: 1-508-842-0342 Fax:  +353-91-770789 

Sales email: Sales email: temperature.sales.amer@meas-spec.com 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. 

Model Number 55031 Rev A 

30 June 2008 

www.meas-spec.com 3/3