UR73D2ATTD20L0F

UR73 current sensing chip resistor EU features current sense • • • • Very low resistance, high precision reliability Utilization of thick film Low T.C.R. achieved (±100 ppm/°C) 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. dimensions and construction UR73 L a a Resistance Range (Ω) D1E (0402) 24m ~ 100m D1J (0603) .022±.004 +.005 10m ~ 27m .063±.008 .031 -.004 .02±.004 .014±.004 (0.55±0.1) 30m ~ 100m (1.6±0.2) (0.8 +0.15) (0.5±0.1) (0.35±0.1) .014±.004 -0.1 (0.35±0.1) D2A (0805) .024±.008 10m ~ 16m .079±.008 .049±.008 .022±.004 .016±.008 (0.6±0.2) 18m ~ 30m (2.0±0.2) (1.25±0.2) (0.55±0.1) (0.4±0.2) .02±.008 (0.5±0.2) 2A (0805) 33m ~ 100m .079±.008 .049±.008 .02±.004 .016±.008 D2B (1206) .039±.008 10m ~ 16m .126±.008 .063±.008 .024±.004 .020±.008 (1.0±0.2) 18m ~ 27m (3.2±0.2) (1.6±0.2) (0.6±0.1) (0.5±0.2) .031±.008 (0.8±0.2) 2B (1206) 30m ~ 100m .126±.008 .063±.008 .024±.004 .020±.012 D2H (2010) .063±.012 10m ~ 30m .197±.008 .098±.008 .026±.004 .026±.012 (1.6±0.3) 33m ~ 100m (5.0±0.2) (2.5±0.2) (0.65±0.1) (0.65±0.3) .026±.012 (0.65±0.3) D3A (2512) .079±.012 10m ~ 30m .248±.008 .122±.008 .024±.004 .031±.012 (2.0±0.3) 33m ~ 100m (6.3±0.2) (3.1±0.2) (0.6±0.1) (0.8±0.3) .031±.012 (0.8±0.3) W Ni Plating h Protective Coating b Resistive Inner Film Electrode Ceramic Substrate UR73D L a a W Sn Plating Ni Plating h Resistive Film Ceramic Protective Substrate Coating b 80 % Rated Power 100 80 % Rated Power 100 60 40 20 60 D1J/0.25W (80°C) 2B/0.5W, D2B/0.5W (85°C) D2A/0.33W, D2H/0.75W (90°C) D3A/1W (95°C) 2A/0.33W (100°C) 40 20 0 -60 -40 -55 -20 0 20 40 60 80 70 Ambient Temperature (°C) 100 120 140 125 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. 0 -60 -40 -20 -55 0 20 40 60 80 100 120 140 85 90 95 125 Terminal Part Temperature (°C) L b .020 +.004 .039 +.004 -.002 -.002 +0.1 ) (1.0 -0.05 .016±.002 .010±.004 .012±.004 +0.1 ) (0.4±0.05) (0.25±0.1) (0.3±0.1) (0.5 -0.05 (2.0±0.2) (1.25±0.2) (0.55±0.1) (0.4±0.2) Inner Electrode Derating Curve Dimensions inches (mm) W h a Size Code (3.2±0.2) (1.6±0.2) (0.6±0.1) (0.5±0.3) .012 +.008 -.004 (0.3 +0.2 -0.1 ) .016 +.008 -.004 (0.4 +0.2 -0.1 ) For resistors operated at a terminal part temperature of described for each size or above, a power rating shall be derated in accordance with the derating curve. Please refer to “Introduction of the derating curve based on the terminal part temperature” in the beginning of our catalog prior use. ordering information UR73 Type UR73 UR73D 2A T Power Rating 1E: 0.125W 1J: 0.25W 2A: 0.33W 2B: 0.5W 2H: 0.75W 3A: 1W Termination Material T: Sn For further information on packaging, please refer to Appendix A. TD Packaging TP: 2mm pitch punch paper (1E) TD: 7" punched paper tape (1J, 2A, 2B) TE: 7" embossed plastic (2H, 3A) R100 Nominal Resistance “R” indicates decimal on values = 100mΩ Ex: R100 = 100mΩ “L” indicates decimal on values