200 Datasheet, PDF (2/4 Pages) Vishay Siliconix – Bulk Metal® Foil Technology Conformally Coated Precision Current Sensing Resistors with TCR of 5 ppm/°C and values down to 5 mΩ

200 Series
Vishay Foil Resistors
Bulk Metal^® Foil Technology Conformally Coated
Precision Current Sensing Resistors
with TCR of 5 ppm/°C and values down to 5 mΩ
TABLE 2 - VISHAY VCS201, VCS202, VCS232 PERFORMANCE
TEST OR CONDITION
VCS201, 202, 232 PERFORMANCE¹⁾
Maximum Ambient Temperature at Rated Power
+ 25 °C
Maximum Ambient Temperature at Zero Power
+ 150 °C
Thermal Shock
± 0.1 %
Short Time Overload
± 0.1 %
Resistance to Solder Heat
± 0.05 %
Terminal Strength
± 0.05 %
High Temperature Exposure
± 0.1 %
Moisture Resistance
± 0.1 %
Low Temperature Storage
± 0.05 %
Shock (Specified Pulse)
± 0.1 %
Vibration (High Frequency)
± 0.1 %
Life (Rated Power, + 25 °C, 2000 hours)
± 0.5 %
Thermal EMF (Lead to Lead)
0.2 µV/°C Maximum (E terminals)
Note
1. ΔR's plus additional 0.0005 Ω for measurement error
FIGURE 2 - 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
FIGURE 3 - POWER DERATING CURVE
+ 100
+ 75
+ 50
+ 25
0
- 55 °C
+ 25 °C
- 50
0
+ 50 + 100 + 150 + 200
Ambient Temperature (°C)
(Further Derating Not Necessary)
www.vishay.com
2
For any questions, contact: [e-mail]
Document Number: 63017
Revision: 16-Jul-07