Vishay intertechnology, inc. Manufactures wsls2512 surface-mount power metal strip resistor that offers improved resistance stability during operation with a maximum resistance change of 0.5 per cent through a 2000-hour workload.The resistor offers low inductance values of 0.5 nh to 2.0 nh, tolerance down to :to.5 per cent, and temperature-coefficient-of-resistance values down to ±30 ppm/°c.