Thick Film Semi-Precision
Metal Glaze™ Power Resistors
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
IRC Wire and Film Technologies Division
Specifications
Part
Number
Power rating
(Watts)
Resistance
Range
(Ohms)
1.0 - 3M
Tolerance
(±%)
TCR
(±ppm/°C)
Maximum
Operating
Voltage
(Volts)
1000
Dielectric
Withstanding
Voltage
(Volts)
1000
GS-3
2.0 (@ 70°C)
3.0 (@ 25°C)
1, 2, 5
50 (>10Ω)
100, 200 (≤ 10Ω)
Environmental Performance
Maximum
∆R
Limits
Test
TCR
Load life
Short term overload
Moisture
Temperature cycling
Solder effect
Termination strength
Shock
Vibration
Operating temperature
±ppm/°C
%∆R
%∆R
%∆R
%∆R
%∆R
%∆R
%∆R
%∆R
MIL-R-26
30
0.5
0.20
0.20
0.20
-
0.10
0.10
0.10
MIL-R-10509-D
100
1.0
0.50
1.50
0.50
0.50
0.20
0.50
0.50
MIL-R-22684
200
2.0
0.50
1.50
-
0.50
0.50
0.50
0.50
-55°C to +175°C
GS-3
100/50
2.0
0.20
0.40
0.20
0.20
0.10
0.10
0.10
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
IRC Wire and Film Technologies Division
Performance Curves
Derating Chart
100
Hot Spot Temperature +25°C Ambient
200
175
80
Percent Rated Power
Degrees (ºC)
0
75
125
175
150
125
100
75
50
25
60
40
20
0
Ambient Temperature (°C)
0
0
25
50
Percent 25°C Power Rating
75
100
Dimensions
(Inches and mm)
H
L
d
W
TYPE
GS-3
L
0.515 ±0.010
(13.1 ±0.3)
W
0.225 ±0.008
(5.7 ±0.2)
H
1.50 ±0.125
(38.1 ±3.2)
Ød
0.032 ±0.002
(0.8128 ±0.05)
Ordering Information
Sample Part No.
IRC Style
GS = (Fixed Film Resistor
High Stability)
Power Rating
3 = 3W@ 25ºC / 2W @ 70ºC
TCR Characteristics
50 = ±50 ppm/°C
100= ±100 ppm/°C
200 = ±200 ppm/°C
(
available on values greater than 10 ohms
)
Resistance
First three digits represent significant figures;
fourth digit is number of zeros.
Tolerance
F = ±1%, G = ±2%, J = ±5%
RoHS Compliance
= Sn/Pb terminations
LF = RoHS-compliant product
General Note
GS-3 100
1000
J
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
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