VISHAY – New WSK1206 Power Metal Strip® Resistor Features Kelvin 4-Terminal Connection for Increased Measurement Accuracy and Reduced TCR
Vishay Intertechnology announces a new surface-mount Power Metal Strip current sense resistor featuring a Kelvin 4-terminal connection that reduces TCR and enables tight tolerances down to 0.1 % for increased measurement accuracy. The Vishay Dale WSK1206 combines a tight tolerance of 0.1% and low TCR down to 35 ppm with extremely low resistance values down to 0.01 Ω in the compact 1206 case size.
- Reduces system errors while eliminating the need for system calibration
- Advanced construction incorporates a solid metal nickel-chrome or manganese-copper resistive element with low TCR (< 20 ppm/ºC)
- A proprietary processing technique produces extremely low resistance values
Product Benefits:
- Kelvin 4-terminal connection reduces TCR to 35 ppm
- Tight tolerances down to 0.1 %
- Power rating of 0.25 W
- Extremely low resistance values down to 0.01 Ω
- Compact 1206 case size
- All-welded construction
- Low thermal EMF (< 3 μV/°C)
- Temperature range from -65 °C to +170 °C
- Lead (Pb)-free, RoHS-compliant, and Vishay “Green”
Market Applications:
- Current sensing, voltage division, and pulse applications
- Power management for cell phones
- DC/DC converters for servers, VRMs for laptops, and Li-Ion battery safety and management
- Industrial instrumentation
- Automotive electronic control such as engine, transmission, anti-lock brakes, audio, and climate controls
The Key Specifications:
- Power rating of 0.25 W
- TCR of 35 ppm
- Resistance range from 0.01 Ω to 0.05 Ω
- Tolerances of 0.1 %, 0.5 %, and 1.0 %
- Temperature range from -65 °C to +170 °C
To access the product datasheet on the Vishay Website, go to
http://www.vishay.com/ppg?30195 (WSK1206)
