KOA SPEER ELECTRONICS, INC. SS-258 R6 AHA 6/20/08 Current Sensing Chip Resistor UR73 Type 1. Features CERTIFIED CERTIFIED ■ Utilization of thick film ■ Low T.C.R. achieved (±100 ppm/°C) ■ Very low resistance, high precision reliability ■ Suitable for reflow and flow soldering ■ Products with lead-free terminations meet RoHS requirements. Pb located in glass material, electrode and resistor element is exempt per Annex 1, exemption 5 of EU directive 2005/95/EC 2. Dimensions L a a NEW UR73 W 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) L +.004 .039 +.004 -.002 .020 -.002 +0.1) (1.0 -0.05 +0.1) (0.5 -0.05 +.005 Ni Plating h b Protective Coating Resistive Inner Film Electrode Ceramic Substrate UR73D 2A L a a D2B W 2B Solder Plating h Ni Plating Resistive Film Ceramic Protective Substrate Coating NEW b Dimensions inches (mm) W h a Size Code Inner Electrode b .016±.002 .010±.004 .012±.004 (0.4±0.05) (0.25±0.1) (0.3±0.1) .022±.004 .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 ) D2H .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 .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 R6 NEW 4. Applications & Ratings Part Designation Power Rating UR73D1E 1/8W (.125W) UR73D1J 1/5W (.2W) NEW UR73D2A T.C.R. (ppm/°C) Max. Resistance Range ±100 47m - 100mΩ ±500 25mΩ ±100 47m - 100mΩ 1/4W (.25W) F (±1%) E-24, 25mΩ, 50mΩ ±200 30m - 43mΩ ±300 10m - 27mΩ ±250 10m - 30mΩ ±100 47m - 100mΩ ±250 33m - 43mΩ UR732A 1/4W (.25W) UR73D2B 1/2W (.5W) ±200 10m - 27mΩ UR732B 1/4W (.25W) 1/2W (.5W)* ±100 47m - 100mΩ ±250 30m - 43mΩ UR73D2H 3/4W (.75W) UR73D3A 1W (1W) ±250 10m - 30mΩ ±100 33m - 100mΩ ±250 10m - 30mΩ ±100 33m - 100mΩ Absolute Maximum Working Voltage Maximum Overload Voltage (5 sec. max.) 0.111V 0.279V 0.141V 0.353V 0.086V 0.216V 0.158V 0.395V 0.116V 0.290V 0.158V 0.395V 0.274V 0.685V 0.316V 0.791V Operating Temperature Range -55°C to +125°C * Please contact factory for Power Rating 5. Environmental Applications Derating Curve Surface Temperature Rise - UR73 & UR73D UR73 33mΩ 100 UR73D 10mΩ 100 100 3A (1) 60 40 20 0 -60 -40 -55 -20 0 80 70 Ambient Temperature (∞C) 20 40 60 100 120 140 125 75 2B (.5W) (1) 2B (.5W) (2) 2A (1) 2A (2) 2B (.25W) (1) 50 2B (.25W) (2) 25 0 0 25 50 75 100 Temperature Rise (∞C) Temperature Rise (∞C) % Rated Power 80 3A (2) 75 2H (1) 2B (1) 2H (2) 2B (2) 2A (1) 1J (1) 1E (1) 2A (2) 1J (2) 1E (2) 50 25 0 0 25 50 75 100 % Rated Power % 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 R6 6. Characteristics Parameter Requirement ∆ R Test Method Resistance to Solder Heat ± (1.0% + 0.005Ω) MIL-R-55342 π 4.7.7, 260°C ± 5°C 10 ± 1 sec. Solderability 95% coverage minimum 4.17 235°C ± 5°C 2 + 0.5 sec. Terminal Strength Bend ± (1.0% + 0.005Ω) 5mm min. deflection in either direction for 10 sec. Vibration ± (0.5% + 0.005Ω) Each directions (3) for 2 hours T.C.R. Within specified 4.8 -55°C/+25°C/125°C Short Time Overload ± (2.0% + 0.005Ω) MIL-R-55342 π 4.7.5, 2.5 x RCWV for 5 sec. Pulse ± (5.0% + 0.005Ω) 2.5 x RCWV, not exceeding maximum overload voltage, 1 sec. ON, 25 sec. OFF, 10,000 cycles Thermal Shock ± (1.0% + 0.005Ω) 4.19 -40°C (30 min.), +125°C ( 30 min.), 50 cycles High Temperature Exposure ± (1.0% + 0.005Ω) 4.23 125°C ± 3°C, 1000 hrs Moisture Resistance ± (2.0% + 0.005Ω) 4.24 40°C ± 2°C 90 - 95% RH, 1000 hrs Life ± (2.0% + 0.005Ω 4.25 70°C ± 3°C, 1000 hrs 7. Pad Dimensions Type B D UR73 A Dimensions millimeters Style C Soldering Pad Component Size 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 1J 1.6 X 0.8 0.5 2.5 0.9 1.0 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 PAGE 3 OF 4 Tape running direction 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 R6 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 UR73 UR73D 2.0 4.0±0.1 Direction of feed Component Size (mm) Type 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 9. Lot Number (8 digits) 53 Production Year, Month 12 Date 41 ~ 52 53 ~ 64 3001 Additional Day Number ød (mm) 21 e (mm) 2 January 2006 December 2006 January 2007 December 2007 10. Marking & Coating Color Type UR73 UR73D Tolerance Coating Marking Color 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.