Thick Film Semi-Precision
Metal Glaze™ Power Resistors
IRC Wire and Film Technologies Division
GS-3 Series
• Power rating of 3W @25°C; 2W @ 70°C
• Resistance range from 1Ω to 3MΩ
• Standard tolerances of ±1%, ±2%, ±5%
• Superior surge performance
• Effective as carbon composition replacement
Specifications
Part
Number
Power rating
(Watts)
Resistance
Range
(Ohms)
Tolerance
(±%)
TCR
(±ppm/°C)
Maximum
Operating
Voltage
(Volts)
Dielectric
Withstanding
Voltage
(Volts)
GS-3
2.0 (@ 70°C)
1.0 - 3M
1, 2, 5
50 (>10Ω)
1000
1000
3.0 (@ 25°C)
100, 200 (≤ 10Ω)
Environmental Performance
Maximum ∆R Limits
Test
MIL-R-26
MIL-R-10509-D
MIL-R-22684
GS-3
TCR
±ppm/°C
30
100
200
100/50
Load life
%∆R
0.5
1.0
2.0
2.0
Short term overload
%∆R
0.20
0.50
0.50
0.20
Moisture
%∆R
0.20
1.50
1.50
0.40
Temperature cycling
%∆R
0.20
0.50
-
0.20
Solder effect
%∆R
-
0.50
0.50
0.20
Termination strength
%∆R
0.10
0.20
0.50
0.10
Shock
%∆R
0.10
0.50
0.50
0.10
Vibration
%∆R
0.10
0.50
0.50
0.10
Operating temperature
-55°C to +175°C
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 printing.
© IRC Wire and Film Technologies Division • 736 Greenway Road Boone, North Carolina 28607-1860
Telephone: 828 264 8861 • Facsimile: 828 264 8866 • Website: www.irctt.com
A subsidiary of
TT electronics plc
GS-3 Series Issue January 2007
