WSLP0805 / WSLP0603 Power Metal Strip® Resistors

Part Number Information
Part #: Price/Availability:
WSLP 0603 Buy Now
WSLP 0805 Buy Now

The WSLP0805 / WSLP0603 is the industry's first 0.5 W and 0.4 W current sensing resistor in the compact 0805 and 0603 package size. The small size of the WSLP0805 and 0603 resistors allow them to replace larger current sensing resistors, saving space on the circuit board that in turn will create smaller and lighter products for the consumer. It is intended for current sensing applications in dc-to-dc converters for computers, VRMs for laptops, and Li-Ion battery safety and management; and electronic automotive systems, including engine controls, multimedia electronics, climate controls, and anti-lock brakes. Features include a very low 10 mΩ to 50 mΩ resistance value range, high-temperature performance up to +170 °C, inductance values from 0.5 nH to 5 nH, an excellent frequency response to 50 MHz, and low thermal EMF of less than 3 µV/°C.


  • Very high power to foot print size ratio (1 W in 1206, 0.5 W in 0805 and 0.4 W in 0603 package)
  • Proprietary processing technique produces extremely low resistance values (down to 0.001 Ω)
  • All welded construction
  • Solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (< 20 ppm/°C)
  • Very low inductance 0.5 nH to 5 nH
  • Excellent frequency response to 50 MHz
  • Low thermal EMF (< 3 μV/°C)
  • Compliant to RoHS directive 2002/95/EC


  • Ideal for all types of current sensing and pulse applications including
    • Switching and linear power supplies
    • Instruments
    • Power amplifiers
    • Shunts