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S102C Datasheet, PDF (3/6 Pages) Vishay Siliconix – High Precision Foil Resistor with TCR of ± 2.0 ppm/°C, Tolerance of ± 0.005 % and Load Life Stability of ± 0.005 %
S Series
High Precision Foil Resistor with TCR of ± 2.0 ppm/°C, Vishay Foil Resistors
Tolerance of ± 0.005 % and Load Life Stability of ± 0.005 %
FIGURE 3 - POWER DERATING CURVE
- 55 °C
200 %
175 %
+ 70 °C
Double Rated Power
150 %
125 %
100 %
Rated Power
75 %
50 %
25 %
Safe operation
for < 150 ppm
∆R after 2000
hours load-life.
0
- 75 - 50 - 25
0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200
Ambient Temperature (°C)
FIGURE 4 - TRIMMING TO VALUES
(Conceptual Illustration)
Interloop Capacitance
Reduction in Series
Mutual Inductance
Reduction due
to Change in
Current Direction
Current Path
Before Trimming
Current Path
After Trimming
Trimming Process
Removes this Material
from Shorting Strip Area
Changing Current Path
and Increasing
Resistance
Note: Foil shown in black, etched spaces in white
TABLE 3 - ENVIRONMENTAL PERFORMANCE COMPARISON
MIL-PRF-55182
CHAR J
S-SERIES
MAXIMUM ΔR
Test Group I
Thermal shock, 5 x (- 65 °C to + 150 °C)
± 0.2 %
± 0.01 % (100 ppm)
Short time overload, 6.25 x rated power
± 0.2 %
± 0.01 % (100 ppm)
Test Group II
Resistance temperature characteristics
± 25 ppm/°C
± 4.5 ppm/°C
Characteristic
Low temperature storage (24 h at - 65 °C)
± 0.15 %
± 0.01 % (100 ppm)
Low temperature operation
(45 min, rated power at - 65 °C)
± 0.15 %
± 0.01 % (100 ppm)
Terminal strength
± 0.2 %
± 0.01 % (100 ppm)
Test Group III
DWV
± 0.15 %
± 0.01 % (100 ppm)
Resistance to solder heat
± 0.1 %
± 0.01 % (100 ppm)
Moisture resistance
± 0.4 %
± 0.05 % (500 ppm)
Test Group IV
Shock
± 0.2 %
± 0.01 % (100 ppm)
Vibration
± 0.2 %
± 0.01 % (100 ppm)
Test Group V
Life test at 0.3 W/+ 125 °C
2000 h
± 0.5 %
± 0.015 % (150 ppm)
10 000 h
± 2.0 %
± 0.05 % (500 ppm)
Test Group Va
Life test at 0.6 W (2 x rated power)/+ 70 °C, 2000 h
± 0.5 %
± 0.015 % (150 ppm)
Test Group VI
High temperature exposure (2000 h at + 175 °C)
± 2.0 %
± 0.1 % (1000 ppm)
Test Group VII
Voltage coefficient
5 ppm/V
< 0.1 ppm/V
S-SERIES
TYPICAL ΔR
± 0.002 % (20 ppm)
± 0.003 % (30 ppm)
± 2.0 ppm/°C
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
± 0.005 % (50 ppm)
± 0.01 % (100 ppm)
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
± 0.01 % (100 ppm)
± 0.03 % (300 ppm)
± 0.01 % (100 ppm)
± 0.05 % (500 ppm)
< 0.1 ppm/V
Document Number: 63001
Revision: 20-Nov-07
For any questions, contact: foil@vishay.com
www.vishay.com
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