1
ISO-9001
Registered
THICK FILM SEMI-PRECISION
METAL GLAZE™ 2-3 WATT RESISTOR
GS-3 SERIES
• •
• •
• 1 ohm to 3M ohm
• •
• •
• 3 watts @ 25°C, 2 w atts @ 70°C
• •
• •
• ±1%, 2%, and 5% tolerance
• •
• •
• High surge strength
• •
• •
• Eff ectiv e as carbon composition replacement
High temperature soldered termination
Tough molded body
Tin-lead electroplated
copper leads
Spiraled thick film
element
Ceramic substrate
High conductivity plate-on
nickel termination
Power Rating
Resistance Range
Tolerance
Leads
TCR
Voltage Rating
Dielectric Strength
Identification
3W @ 25°C
2W @ 70°C
1 ohm to 3M ohm
±1%, 2%, and 5%
Tin-lead electroplated copper
±50(T2) ppm/°C - (available on
values greater than 10 ohms)
±100(T0) ppm/°C
±200 ppm/°C
1000V max.
1000V min.
Printed style
Test
Load Life
TCR ppm
STOL
Moisture
Temp. Cycle
Solder Effect
Ter m. Strength
Shock
Vibration
MIL-R-26
0.50
30
0.20
0.20
0.20
-
0.10
0.10
0.10
MIL-R-10509-D
1.0
100 (T0)
0.50
1.50
0.50
0.50
0.20
0.50
0.50
MIL-R-22684
2.0
200
0.50
1.5
-
0.50
0.50
0.50
0.50
GS-3
2.0
100/50
0.20
0.40
0.20
0.20
0.10
0.10
0.10
Maximum ∆∆
∆∆
∆R Limits
%∆R
%∆R
%∆R
%∆R
%∆R
%∆R
%∆R
%∆R
DERATING CHART: HOT SPOT TEMPERATURE +25°C AMBIENT
25 75 125 175
0
20
40
60
80
100
0 255075100
0
25
50
75
100
125
150
175
200
Ambient Temperature (°C)
Percent Rated Power
Degrees (°C)
Percent 25°C Power Rating
HOW TO ORDER:
Sample Part No.: GS-3 T0 1002 F
MIL Style
GS=Fixed Film Resistor.
High Stability
Power Rating
3=3 watt
T.C. Characteristics
T0=±100 ppm/°C
T2=±50 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%
DIMENSIONS (Inches and (mm)):
1.50±0.125
(38.1±3.2) 0.515±0.010
(13.1±0.3)
0.225±0.008
(5.7±0.2)
0.032±0.002
(0.81±0.05)
Dia.
GS-3
SPECIFICATIONS:
WIREWOUND AND FILM TECHNOLOGIES DIVISION
736 Greenway Road • Boone, North Carolina 28607-1860 • Tel: 828-264-8861 • Fax: 828-264-8866 • www.irctt.com
