Vishay – New WSLT2726 and WSLT4026 Surface-Mount Power Metal Strip Current Sense Resistors
Vishay Intertechnology, Inc. (NYSE: VSH) announces the industry’s first surface-mount, 4-terminal Power Metal Strip current sensing resistors in the compact 2726 and 4026 case sizes to provide an operating temperature range to +275 °C.
The Vishay Dale WSLT2726 and WSLT4026 combine their high-temperature performance with 3 W power ratings and extremely low resistance values down to 0.002 Ω.
- Solid metal nickel-chrome alloy resistive element with low TCR (< 20 ppm/ºC)
- Allow for the design of high-power circuits featuring the smallest and most accurate resistors for high-performance end products
- High-temperature capability allows for use in harsh, high-temperature environments without sacrificing power rating or electrical performance
- A proprietary processing technique produces extremely low resistance values
Benefits:
- Available in 2726 and 4026 case sizes
- High-temperature performance to +175 °C
- 4-terminal design
- Tight tolerances of 1.0 %
- Extremely low resistance values ranging from 0.002 Ω to 0.005 Ω
- High 3 W power ratings
- All-welded construction
- Very low inductance of 0.5 ηH to 5 ηH
- Low thermal EMF (< 3 μV/°C)
- Available with AEC-Q200 qualification
- Lead (Pb)-free and RoHS-compliant
- Conform to Vishay “Green” standards
Applications:
- Current sensing, voltage division, and pulse applications, including switching and linear power supplies, instruments, power amplifiers, and shunts
- Automotive electronic controls such as engine, audio, climate, and anti-lock brakes controls and electric power steering
- Industrial controls, including down-hole test / measurement equipment for oil / gas well drilling
