WK73S2HTTE7R15F

WK73S wide terminal type flat chip resistors EU features current sense • Wide-side termination (reverse-geometry) type flat chip resistor • High reliability and performance with T.C.R. ±100 x 10-6/K, resistance tolerance ±0.5% • Products with lead-free terminations meet EU RoHS requirements. EU RoHS regulation is not intended for Pb-glass contained in electrode, resistor element and glass. • AEC-Q200 Tested dimensions and construction Type L c (Inch Size Code) c W Solder Plating Ni Plating t Inner Resistive Electrode Film d Protective Coating Ceramic Substrate Dimensions inches (mm) W c d L .049±.006 .079±.006 .012±.008 .014±.008 .022±.004 (1.25±0.15) (2.0±0.15) (0.3±0.2) (0.35±0.2) (0.55±0.1) 2B (0612) .063±.006 .126±.008 .012±.008 .018±.006 (1.6±0.15) (3.2±0.2) (0.3±0.2) (0.45±0.15) 2H (1020) .098±.006 .197±.006 .016±.008 (2.5±0.15) (5.0±0.15) (0.4±0.2) 2J (1218) .122±.006 .181±.006 .016±.008 .030±.006 (3.1±0.15) (4.6±0.15) (0.4±0.2) (0.75±0.15) 3A (1225) .122±.006 .252±.006 .018±.008 (3.1±0.15) (6.3±0.15) (0.45±0.2) Derating Curve 60 40 100 2J (100°C) 60 80 % Rated Power 80 % Rated Power 80 % Rated Power 100 2A, 2B, 2H, 3A (125°C) 40 20 20 0 80 100 120 140 160 155 70 Ambient Temperature (°C) 20 40 60 For resistors operated at an ambient temperature of 70°C or above, a power rating shall be derated in accordance with the above derating curve. ordering information WK73S 2J Type Size WK73S 2A: 1W 2B: 0.75W, 1W 2H: 1W 2J: 1W 3A: 1.5W, 2W T Termination Material T: Sn 2H2, 3A3 (95°C) 60 2B, 3A (115°C) 40 20 0 -60 -40 -20 -55 80 100 120 140 160 125 155 Terminal Part Temperature (°C) 0 20 40 60 0 -60 -40 -20 -55 20 40 60 80 100 120 140 160 95 115 155 Terminal Part Temperature (°C) 0 For resistors operated terminal temperature of described for each size or above, a power rating shall be derated in accordance with the derating curve above. Please refer to “Introduction of the derating curve based on the terminal part temperature” in the beginning of our catalog before use. If you want to use at rated power (*1), use derating curves based on the terminal part temperature on the right side graph. TE Packaging TD: 0508, 0612: 7" 4mm pitch punched paper TE: 1020, 1218, 1225: 7" embossed plastic For further information on packaging, please refer to Appendix A 33L0 F Nominal Resistance ±1%: 3 significant figures + 1 multiplier “R” indicates decimal on value