KOA SPEER ELECTRONICS, INC. SS-258 R8 AHA 7/20/12 Current Sensing Chip Resistor UR73 Type CERTIFIED CERTIFIED 1. Features ■ Very low resistance, high precision reliability ■ Suitable for reflow and flow soldering ■ Utilization of thick film ■ Low T.C.R. achieved (±100 ppm/°C) ■ Marking: Indigo body color with white marking ■ 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. 2. Dimensions UR73 L a a Resistance Range D1E 24m ~ 100m D1J 10m ~ 27m .063±.008 .031 -.004 30m ~ 100m (1.6±0.2) (0.8 +0.15) -0.1 D2A .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) W L +.004 .039 +.004 -.002 .020 -.002 +0.1) (1.0 -0.05 +0.1) (0.5 -0.05 b .016±.002 .010±.004 .012±.004 (0.4±0.05) (0.25±0.1) (0.3±0.1) .022±.004 +.005 Ni Plating h Protective Coating b Resistive Inner Film Electrode Ceramic Substrate UR73D 2A L a a D2B W 2B Solder Plating h Ni Plating b Dimensions inches (mm) W h a Size Code Resistive Film Ceramic Protective Substrate Coating Inner Electrode D2H D3A .02±.004 .014±.004 (0.55±0.1) (0.5±0.1) (0.35±0.1) .014±.004 (0.35±0.1) 33m ~ 100m .079±.008 .049±.008 .02±.004 .016±.008 (2.0±0.2) (1.25±0.2) (0.55±0.1) (0.4±0.2) .012 +.008 -.004 (0.3 +0.2 -0.1 ) .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) 30m ~ 100m .126±.008 .063±.008 .024±.004 .020±.012 (3.2±0.2) (1.6±0.2) (0.6±0.1) (0.5±0.3) .016 +.008 -.004 (0.4 +0.2 -0.1 ) .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) .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) 3. Type Designation The type designation shall be in the following form: UR73 2A T TD R10 F Type Size Code Termination Material Packaging Nominal Resistance Tolerance UR73 UR73D 1E: 0.125W 1J: 0.2 W 2A: 0.25 W 2B: 0.5 W 2H: 0.75W 3A: 1 W T: Sn TP: 2mm pitch punch paper (1E: 10,000 pcs/reel) TD: 7" punched paper tape (1J, 2A, 2B: 5,000 pcs/reel) TE: 7" embossed plastic (2H, 3A: 4,000 pcs/reel) All values less than 0.1Ω (100mΩ) are expressed in mΩ with “L” as decimal. Ex: 20mΩ = 20L0 F: ±1% Bolivar Drive ■ P.O. Box 547 ■ Bradford, PA 16701 ■ USA ■ 814-362-5536 PAGE 1 OF 4 ■ Fax 814-362-8883 ■ www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. KOA SPEER ELECTRONICS, INC. SS-258 R8 4. Applications & Ratings Part Designation Power* Rating UR73D1E 1/8W (.125W) UR73D1J T.C.R. (ppm/°C) Max. Resistance Range ±100 30mΩ - 100mΩ 1/5W (.2W) UR73D2A 1/4W (.25W) UR732A 1/4W (.25W) UR73D2B 1/2W (.5W) UR732B 1/2W (.5W) UR73D2H 3/4W (.75W) UR73D3A 1W (1W) F (±1%) E-24, 25mΩ, 50mΩ ±500 24mΩ - 27mΩ ±100 47mΩ - 100mΩ ±200 30mΩ - 43mΩ ±300 10mΩ - 27mΩ ±250 10mΩ - 30mΩ ±100 47mΩ - 100mΩ ±250 33mΩ - 43mΩ ±200 10mΩ - 27mΩ ±100 47mΩ - 100mΩ ±200 30mΩ - 43mΩ ±250 10mΩ - 30mΩ ±100 33mΩ - 100mΩ ±250 10mΩ - 30mΩ ±100 33mΩ - 100mΩ Absolute Maximum Working Voltage Maximum Overload Voltage (5 sec. max.) √P•R √P•R x 2.5 Operating Temperature Range -55°C to +125°C * Power rating is guaranteed by the Temperature Rise data shown below 5. Environmental Applications Derating Curve Surface Temperature Rise - UR73 & UR73D 100 UR73 2A, 2B 33mΩ 40 20 75 2B (1) 50 2A (2) 25 0 -20 0 80 70 Ambient Temperature (°C) 20 40 60 100 120 140 125 2B (2) 2A (1) 0 25 75 50 Temperature Rise (°C) Temperature Rise (°C) % Rated Power 3A (1) 60 0 -60 -40 -55 100 100 80 UR73D 1J, 2A, 2B, 2H, 3A 10mΩ UR73D 1E 24mΩ 2H (1) 75 3A (2) 2H (2) 2B (1) 2B (2) 50 2A (1) 1J (1) 1E (1) 2A (2) 1J (2) 1E (2) 25 100 0 0 25 75 50 100 % Power Rating % Rated Power 1 1 2 2 PAGE 2 OF 4 Bolivar Drive ■ P.O. Box 547 ■ Bradford, PA 16701 ■ USA ■ 814-362-5536 ■ Fax 814-362-8883 ■ www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. KOA SPEER ELECTRONICS, INC. SS-258 R8 6. Characteristics Parameter Resistance T.C.R. Overload (Short time) Requirement ∆ R ±(%+0.005Ω) Limit Typical Within specified — tolerance Within specified — T.C.R. ±2% ±0.5% Resistance to Solder Heat Rapid Change of Temperature Moisture Resistance Endurance at 70°C ±1% ±1% ±2% ±0.3% ±0.5% ±1% ±2% ±1% High Temperature Exposure ±1% ±0.3% 7. Pad Dimensions Test Method 25°C +25°C/+55°C and +25°C/+125°C Rated power x 2.5 for 5 seconds 260°C ± 5°C, 10 ± 1 second -55°C (30 minutes), +125°C (30 minutes), 100 cycles 40°C ± 2°C, 90%~95%RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 70°C ± 2°C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle +125°C, 1000 hours Type Component Size B D Dimensions millimeters Style UR73 A C Soldering Pad Chip Resistor B C D 2A 2.0 X 1.25 1.3 3.1 1.25 0.9 2B 3.2 X 1.6 2.2 4.4 1.6 1.1 1E 1.0 X 0.5 0.5 1.8 0.5 0.65 1.0 1J 1.6 X 0.8 0.5 2.5 0.9 2A 2.0 X 1.25 0.8 3.4 1.3 1.3 2B 3.2 X 1.6 1.2 4.6 1.8 1.7 5.0 X 2.5 1.8 6.1 2.6 2.5 5.0 X 2.5 3.3 6.1 2.5 1.4 6.4 X 3.2 2.3 8.0 3.3 1.7 6.4 X 3.2 4.6 8.0 3.0 1.7 2H UR73D A (10m~30mΩ) 2H (33m~100mΩ) 3A (10m~30mΩ) 3A (33m~100mΩ) 8. Packaging Specifications 8.1 Leader and End Tape 15.75 (400) 7.87 (200) 1.97 (50) Top tape (Empty) (Empty) End Tape (Top Tape) Leader Tape Tape running direction PAGE 3 OF 4 Bolivar Drive ■ P.O. Box 547 ■ Bradford, PA 16701 ■ USA ■ 814-362-5536 ■ Fax 814-362-8883 ■ www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. KOA SPEER ELECTRONICS, INC. SS-258 R8 8. Packaging Specifications (Continued) 8.2 Dimensions of Punched Paper Tape 1.5 +0.1 -0 A B W 1.75±0.1 Carrier Tape P1 (TP) T1 P1 2.0 4.0±0.1 Direction of feed Component Size (mm) Type UR73 UR73D T1 T1 L W T 1E 1 0.5 0.35 1J 1.6 0.8 0.45 2A 2 1.25 0.5 2B 3.2 1.6 0.6 2H 3A 5 6.3 2.5 3.1 0.6 0.6 Taping (mm) Carrier Tape Quantity/ Reel (Pieces) A B W P1 T1 Reel Size TP TP TD TP TD TE TD TE TE TE 10000 10000 5000 10000 5000 4000 5000 4000 4000 4000 1.15±0.1 1.9±0.1 1.9±0.1 2.4±0.2 2.4±0.2 2.4±0.2 3.5±0.2 3.5±0.2 5.35±0.2 6.65±0.2 0.65±0.1 1.1±0.1 1.1±0.08 1.65±0.2 1.65±0.2 1.6±0.2 2±0.2 1.9±0.2 2.9±0.2 3.44±0.2 8.0±0.2 8.0±0.2 8.0±0.2 8.0±0.2 8.0±0.2 8.0±0.2 8.0±0.2 8.0±0.2 12.0±0.1 12.0±0.1 2±0.05 2±0.05 4.0±0.1 2±0.05 4.0±0.1 4.0±0.1 4.0±0.1 4.0±0.1 4.0±0.1 4.0±0.1 0.45+0.2/-0 0.6+0.2/-0 0.6+0.2/-0 0.75+0.2/-0 0.75+0.2/-0 0.9±0.1 0.75+0.2/-0 1.0±0.1 1.0±0.15 1.0±0.15 178 178 178 178 178 178 178 178 178 178 (Notes) Dotted lines are applicable to only “TP” and “TB.” 8.3 Reel specifications for taping Reel (mm) øa Central hole ø13 e (Notes) Reel holes, shapes and design are examples ød Type UR73, UR73D ød (mm) 21 e (mm) 2 9. Lot Number (8 digits) 53 Production Year, Month 12 Date 41 ~ 52 53 ~ 64 3001 Additional Day Number January 2006 December 2006 January 2007 December 2007 10. Marking & Coating Color Type Tolerance Coating Marking Color UR73 UR73D F (±1%) Indigo white / 4 digit PAGE 4 OF 4 Bolivar Drive ■ P.O. Box 547 ■ Bradford, PA 16701 ■ USA ■ 814-362-5536 ■ Fax 814-362-8883 ■ www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.