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