General Note

IRC reserves the right to make changes in product specification without notice or liability.

All information is subject to IRC’s own data and is considered accurate at time of going to print.

A subsidiary of

TT electronics plc

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Wire and Film Technologies Division

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

RGT Series

Thick Film Temperature

Compensation Resistor

Specifications

Temperature

Coefficient

Resistance

Ratio

Linearity

Standard Resistance

Values

Std. Resistance

Tol. @ 25°C

3000 ppm/°C @ 25°C)

R25°C/R125°C =

1.37

<1.2% deviation per 100°C

(typical over range from -55°C to 140°C)

740, 1K and 10K. Others

available

±2%, ±5%, ±10%

Operating

Temperature

Range

High Temp

Stability

Time Constraints

Dissipation Constants

Element

-55°C to + 175°C

2000 hours @

175°C, <0.5%

∆R

7.4 sec for RGT-1,

2.9 sec. for RGT-2

(time to achieve 63.2% of an applied

step-change in temperature in still air)

8.1mW/°C for RGT-1,

4.7mW°C for RGT-2

(power required to raise sensor temperature

1°C in a still air ambient of 25°C)

fused thick-film

composition

Substrate

Lead Pull

Resistance to

Soldering Heat

Marking Resistance

to Solvents

Lead

Solderability

solid-core alumina

ceramic

5 lbs for 5 sec.

MIL-STD-202E, Method

210A, cond. A, <0.5%

∆R

MIL-STD-202, Method 215

MIL-STD-202,

Method 208

Temperature

G Tol.

J Tol.

K Tol.

-55°C

-15°C

0°C

25°C

50°C

75°C

100°C

125°C

150°C

175°C

-67°F

+9°F

+32°F

77°F

122°F

167°F

212°F

257°F

302°F

347°F

7%

4.5%

3.6%

±2%

2.5%

3.0%

3.5%

4.0%

4.5%

5.0%

10%

7.5%

6.6%

±5%

5.5%

6.0%

6.5%

7.0%

7.5%

8.0%

15%

12.5%

11.6%

±10%

10.5%

11.0%

11.5%

12.0%

12.5%

13.0%

Applications

Curve Tolerances (±)

Compensates transistors, diodes,

sensors, transducers, hall devices,

microprocessors, and strain gauges.

Proven in automotive under-hood use.

Exclusive thick film process

results in a very linear, negative,

3000 ppm/°C resistance

temperature characteristic

Digital Marking

High conductivity plate-on

nickel termination

Tin-lead electroplated

copper leads

Heat conducting

ceramic substrate

RGT Series Issue December 2008 Sheet 1 of 3