Thick Film Semi-Precision Metal Glaze™ Power Resistors
GS-3 Series
• • • • • Superior surge performance Resistance range from 1Ω - 3MΩ Standard tolerances of ±1%, ±2%, ±5% Power rating of 3W @25°C; 2W @70°C Effective as carbon composite replacement
Electrical Data
Part Number
Power Rating (Watts) Resistance Range (Ohms) Tolerance (±%) TCR (±ppm/°C) Maximum Operating Voltage (Volts) 1000 Dielectric Withstanding Voltage (Volts) 1000
GS-3
2.0 (@ 70°C) 3.0 (@ 25°C)
1.0 - 3M
1, 2, 5
50 (>10Ω) 100, 200 (≤ 10Ω)
Environmental Data
Test MIL-R-26 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 30 0.5 0.20 0.20 0.20 0.10 0.10 0.10 Maximum ∆R Limits MIL-R-10509D 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 GS-3 100/50 2.0 0.20 0.40 0.20 0.20 0.10 0.10 0.10
-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 going to print.
Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
A subsidiary of TT electronics plc GS-3 Series Issue October 2008 Sheet 1 of 3
Thick Film Semi-Precision Metal Glaze™ Power Resistors
Physical Data
H L
d
GS-3
W Dimensions (inches and (mm)) 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)
Power Derating Chart
100 Percent Rated Power 80 60 40 20 0 0 75 125 175
Ambient Temperature (°C)
Hot Spot Temperature +25°C Ambient
200 175 150 125 100 75 50 25 0 0 25 50 75 100
Degrees (°C)
Percent 25°C Power Rating
Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
GS-3 Series Issue October 2008 Sheet 2 of 3
Thick Film Semi-Precision Metal Glaze™ Power Resistors
Ordering Data
Sample Part No. IRC Type
GS = (Fixed Film Resistor High Stability)
GS - 3
100
1000
J
LF
SLT
Power Rating
3 = 3W @ 25°C / 2W @ 70°C
TCR Characteristics
50 = ±50 pmm/°C 100 = ±100 pmm/°C 200 = ±200 pmm/°C (available on values greater than 10 ohms)
Resistance Value
(100 ohms and greater - First 3 significant digits plus 4th digit multiplier) Example: 100 ohms = 1000, 1000 ohms = 1001, 150,000 ohms = 1503 (Less than 100 ohms - "R" is used to designate decimal) Example: 51 ohms = 51R0, 1 ohm = 1R00, 0.25 ohms = R250
Tolerance
F = ±1%, G = ±2%, J = ±5%
RoHS Compliance
LF = RoHS-compliant product
Packaging
SLT = Standard Lead Tape T24 T25
Wire and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
GS-3 Series Issue October 2008 Sheet 3 of 3
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