High precision(thin film) resistors : WFxxT series
Item Size Product range Tolerance TCR (ppm/oC) Rated power PDF 
WF04T 0402 10£[ ~ 100K£[ +/-0.5% +/-50 1/20 Watt.
WF06T 0603 10£[ ~ 330K£[ +/-0.5% +/-50 1/16 Watt.
WF08T 0805 4.7£[ ~ 1M£[ +/-0.5% +/-50 1/10 Watt.
WF12T 1206 4.7£[ ~ 1M£[ +/-0.5% +/-50 1/8 Watt.
High precision(thin film) resistors : WFxxU series
Item Size Product range Tolerance TCR (ppm/oC) Rated power PDF
WF04U 0402 10£[ ~ 100K£[ +/-0.1% +/-25 1/20 Watt.
WF06U 0603 10£[ ~ 330K£[ +/-0.1% +/-25 1/16 Watt.
WF08U 0805 4.7£[ ~ 1M£[ +/-0.1% +/-25 1/10 Watt.
WF12U 1206 4.7£[ ~ 1M£[ +/-0.1% +/-25 1/8 Watt.