Thermistors

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Thermistors

Leninskij prosp.53, Moscow 117924, Russia

phone : 7-095-132-6817

fax : 7-095-135-0565

e-mail : rmtcom@dol.ru

Glass Beaded Thermistors

Russian High Technologies

Devices & Components

for Optoelectronics

The RMT's Thermistors are small glass coated beads of special thermistor composition with negative temperature coefficient of resistivity (NTC) which are sintered onto thin platinum or platinum alloy wires. Very thin glass coating is used for protection of thermistor bead.

All thermistors are aged for long period of time at the temperature 120 ^oC and more. So they exhibit excellent stability for all operating temperatures below aging temperature.

Due to small body volume thermistors demonstrate ultra- fast response time, relatively high power sensitivity and low heat capacity.

Table of Contents

Standard Grades
Options

How to select Thermistor
Price List

Standard grades

*Resistivity Range, Ohm**	0.5 - 1.5	1.5 - 5.0	5 - 15	15 - 50	50 - 100	100 - 200
Beta Constant, K 10^-3	1.6 - 2.9	2.7 - 3.5	3.3 - 3.9	3.5 - 4.1	3.8 - 4.2	4.0 - 4.3

Note : * Resistivity range is reffered to t=25 ^oC

Standard Operating Temperature, ^oC	0	20	25	80	150
Standard Resistivity Range, kOhm	1 - 700	0.5 - 200	0.5 - 200	0.5 - 20	0.5 - 3.3
Beta Constant, K 10^-3	1.6 - 4.3	1.6 - 4.3	1.6 - 4.3	3.4 - 4.3	3.7 - 4.3
Negative Temperature Coefficient of Resistance,	2.15 - 5.77	1.86 - 5.00	1.80 - 4.80	2.70 - 3.45	2.07 - 2.40
Temperature Range of Operation, ^oC	-60..+125	-60..+125	-60..+125	-60..+200	-60..+200

Note : The standard Resistance values are from the 24-Value series decade as specified

in Military Standard MS90178

1.0	1.1	1.2	1.3	1.5	1.6	1.8	2.0	2.2	2.4	2.7	3.0
3.3	3.6	3.9	4.3	4.7	5.1	5.6	6.2	6.8	7.5	8.2	9.1