WK73S2HTTD33L0J

1733 Reader's Spreads pg1-203:document 1/27/09 4:04 PM Page 28 WK73 resistors c L c UNDER DEVELOP. wide terminal type flat chip resistors EU features • Flat chip resistors of wide terminal type • High reliability and performance with T.C.R. ±100 x 10-6/K, resistance tolerance ±1% • Marking: Black protective coat • Products with lead-free terminations meet EU RoHS requirements. Pb located in glass material, electrode and resistor element is exempt per Annex 1, exemption 5 of EU directive 2005/95/EC dimensions and construction Type (Inch Size Code) L Dimensions inches (mm) W c d t W 2B (0612) 2H (1020) 2J (1218) 3A (1225) .063±.006 .126±.006 .012±.008 .018±.006 (1.6±0.15) (3.2±0.15) (0.3±0.2) (0.45±0.15) .098±.006 .197±.006 .016±.008 (2.5±0.15) (5.0±0.15) (0.4±0.2) .122±.006 .181±.006 .016±.008 .030±.006 (3.1±0.15) (4.6±0.15) (0.4±0.2) (0.75±0.15) .122±.006 .252±.006 .018±.008 (3.1±0.15) (6.4±0.15) (0.45±0.2) t d Inner Resistive Electrode Film Solder Plating Ni Plating .024±.004 (0.6±0.1) Protective Coating Ceramic Substrate Derating Curve 100 80 % Rated Power 60 40 20 0 -60 -40 -20 -55 0 20 40 60 80 100 120 140 160 70 155 Ambient Temperature (°C) ordering information New Part # WK73S Type WK73S WK73R 2J Size 2B: 0.75W 2H: 1W 2J: 1W 3A: 1.5W T Termination Material T: Sn TE Packaging TD: 0612: 7" 2mm pitch punched paper TDD: 0612 10" paper tape TE: 1020, 1218, 1225: 7" punched plastic TED: 1020, 1218, 1225: 10" punched plastic For further information on packaging, please refer to Appendix A 33L0 Nominal Resistance ±1%: 3 significant figures + 1 multiplier “R” indicates decimal on value