WU732BTTDR100F

WU73 wide terminal type low resistance, low T.C.R flat chip resistors EU features current sense • Wide terminal type flat chip resistor • High reliability and performance with T.C.R. ±75 x 10-6/K, resistance tolerance ±1% • Suitable for flow and reflow solderings • This product meets 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 L c Type c (Inch Size Code) W Ceramic Substrate Sn Plating t Dimensions inches (mm) W c d L +.004 .126± -.012 +0.1) (3.2± -0.3 t 2B (0612) .063±.006 (1.6±0.15) 2B15 (0612) .063±.006 .126± -.012 .016±.008 .018±.006 .024±.004 (1.6±0.15) +0.1 (0.4±0.2) (0.45±0.15) (0.6±0.1) (3.2± -0.3 ) .016±.008 .018±.006 .024±.004 (0.4±0.2) (0.45±0.15) (0.6±0.1) +.004 Ni Plating d Protective Resistive Inner Electrode Coating Film Derating Curve WU73 2B15 (1.5W) 80 80 80 60 40 20 % Rated Power 100 % Rated Power 100 % Rated Power 100 60 40 20 0 -60 -40 -20 -55 0 20 40 0 -60 -40 -20 -55 60 80 100 120 140 160 70 155 Ambient Temperature (°C) For resistors operated at an ambient temperature of 70°C or above, the power rating shall be derated in accordance with the above derating curve. 60 40 20 0 20 40 60 80 100 120 140 160 115 155 0 -60 -40 -20 -55 Terminal Part Temperature (°C) 20 40 60 80 100 120 140 160 95 155 Terminal Part Temperature (°C) 0 For resistors operated at a terminal part temperature of described for each size or above, the power rating shall be derated in accordance with the above derating curve. Please refer to the “Introduction of the derating curves based on terminal part temperature” in the beginning of the catalog. ordering information WU73 2B Type Size WU73 2B: 1W 2B15: 1.5W T Termination Material T : Sn TD Packaging TD: 7" 4mm pitch punched paper For further information on packaging, please refer to Appendix A 10L0 F Nominal Resistance 4 digits: all values less than 100mΩ are expressed in mΩ with “L” as decimal. Ex: 10mΩ = 10L0 Resistance Tolerance F: ±1% Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 118 7/19/19 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com WU73 wide terminal type low resistance, low T.C.R flat chip resistors Part Designation Power Rating Rated Ambient Temperature Rated Terminal Part Temperature WU732B 1.0W 70°C 115°C WU732B15 1.5W 70°C 95°C T.C.R. (X 10-6/K) Resistance Range (Ω) E-24, 25m, 50m ±100 ±75 ±100 ±100 ±75 ±100 10m~12m 13m~27m 30m~100m 10m~12m 13m~27m 30m~100m Resistance Tolerance Operating Temperature Range F: ±1% -55°C to +155°C F: ±1% -55°C to +155°C Rated voltage = √Power rating x resistance value If any questions should arise whether to use the “Rated Ambient Temperature” or the “Rated Terminal Part Temperature,” please give priority to the “Rated Terminal Part Temperature.” Prior to use and for more details refer to “Introduction of the derating curves on the terminal part temperature” in the beginning of the catalog. environmental applications Temperature Rise One-Pulse Limiting Electric Power WU73 2B/2B15 One-Pulse Limiting Electric Power (W) WU73 2B Temperature Rise (°C) 140 160 2B15 2B15 2B 2B 140 120 100 80 60 40 20 0 10 20 30 40 50 60 70 80 90 100 1000 750 500 2B/2B15 250 1 .001 .01 .1 Power Rating (%) 1 10 100 1000 Pulse Duration (ms) Regarding the temperature rise, the value of the temperature varies per conditions and board for use since the temperature is measured under our measuring conditions. Measurement condition Room temperature: 25°C PCB: FR-4t = 1.6mm Cu foil thickness: 35µm ①: Hot spot The maximum applicable voltage is equal to the max. overload voltage. Please contact factory for resistance characteristics of continuous applied pulse. ②: Terminal Performance Characteristics Parameter Resistance T.C.R. Overload (Short time) Resistance to Solder Heat Bending Test Rapid Change of Temperature Moisture Resistance Endurance at 70°C High Temperature Exposure Requirement ∆ R ±(%+0.005Ω) Limit Typical Within specified — tolerance Within specified — T.C.R. ±2% ±0.2% ±1% ±0.2% ±1% ±0.1% ±2% ±0.3% ±2% ±0.1% ±2% ±0.2% ±1% ±0.1% Test Method 25°C +25°C/-55°C and +25°C/+125°C Rated Voltage x 2 for 5 seconds 260°C ± 5°C, 10 seconds ± 1 second Holding point 90mm, Bending 1 time, Bending 5mm -55°C (30 minutes), +125°C (30 minutes), 1000 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 +155°C, 1000 hours Additional environmental applications can also be found at 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. 12/10/20 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 119 current sense applications and ratings