PL IA NT Features RoHS compliant* CO M D2PAK housing *R oH S Low inductance Resistor electrically isolated from the Applications backplate High power rating Compatible with lead free solder reflow temperatures Power supplies Motor drives Test and measurement Rectifiers PWR263S-20 Series Power Resistor General Information Bourns(R) PWR263S-20 Series is a TO263 DPAK style power resistor manufactured using thick film on alumina ceramic technology and used in current measurement, snubber, bleeder and discharge circuits. Electrical & Thermal Characteristics Material Characteristics Parameter Resistance (See Popular Resistance Values table) Power Rating @ 25 C Case Temperature Tolerance TCR 0.02 <R<130.0K Thermal Resistance - Rthj Inductance Operating Voltage Dielectric Strength Insulation Resistance Operating Temperature Resistor ...................................Thick film Substrate ..................... Alumina (AL203) Housing ........................................Epoxy Pins....................Tinned Copper (Sn/Cu) Flammability ........ Conforms to UL-94V0 Value(s) 0.02 to 130 K 20 W 1 %**, 5 % 100 PPM/C 6.5 C/W 0.1 H maximum P*R with a maximum of 250 V 2 KV AC 10 G -55 C to 155 C ** Available for most values. Check Popular Resistance Values table. Reliability Characteristics Parameter Short Term Overload (2x Pr for R < 2 , 1.6 x Pr for R 2 , V < 1.5 x Operating Voltage) Load Life (1000 hours at rated power) Thermal Shock (-55 C to 155 C, 5 cycles) Resistance to Soldering Heat (10 seconds at 270 C) Vibration (20 G 10-2000 Hz .06 " D.A.) Moisture Sensitivity Level Specification R 0.25 % R R 1.0 % 0.5 % R 0.5 % R 0.25 % 1 Power Derating Curve 120 Rated Power (%) 100 75 50 25 0 0 20 40 60 80 100 120 140 155 Case Temperature (C) *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Popular Resistance Values Code Resistance Value Code Resistance Value R020 R025 R030 R033 R040 R050 R075 R100 R150 R200 R250 R300 R330 R400 R500 R750 1R00 1R50 2R00 2R50 3R00 3R30 4R00 5R00 7R50 8R00 10R0 12R0 15R0 20R0 25R0 27R0 30R0 33R0 40R0 47R0 50R0 56R0 75R0 0.02 *** 0.025 *** 0.03 *** 0.033 *** 0.04 *** 0.05 *** 0.075 *** 0.1 0.15 0.2 0.25 0.3 0.33 0.4 0.5 0.75 1 1.5 2 2.5 3 3.3 4 5 7.5 8 10 12 15 20 25 27 30 33 40 47 50 56 75 1000 1200 1500 2000 2500 3000 3300 4000 4700 5000 5600 7500 1001 1501 2001 2501 3001 3301 4001 5001 7501 1002 1502 2002 2502 3002 3302 4002 4702 5002 5602 6802 7502 8202 1003 1153 1203 1253 1303 100 120 150 200 250 300 330 400 470 500 560 750 1.0 K 1.5 K 2.0 K 2.5 K 3.0 K 3.3 K 4.0 K 5.0 K 7.5 K 10 K 15 K 20 K 25 K 30 K 33 K 40 K 47 K 50 K 56 K 68 K 75 K 82 K 100 K 115 K 120 K 125 K 130 K *** 5 % Tolerance PWR263S-20 Series Power Resistor Recommended Pad Layout Product Dimensions 10.1 (0.398) 7.8 (0.307) 4.5 (0.177) 1.6 (0.063) 11.0 (.433) 1.3 (.051) 4.02 (0.158) 48 10.4 (0.409) REF. 10.52 (0.414) 15.39 (0.606) 10.5 (0.41 8.8 (0.347) 2.25 (0.089) 0.26 (0.10) 4.23 (0.166) 1.92 (0.076) 1.4 (0.055) 5.08 (0.20) 3.1 (0.122) 2.4 (0.095) 0.25 (0.010) 1 8.0 (.315) 2 BACKPLANE ELECTRICALLY ISOLATED DIMENSIONS: TOLERANCE: MM (INCHES) Typical Part Marking 0.38 UNLESS OTHERWISE NOTED (0.015) LEAD 0.102 MAX AT MOUNTING COPLANARITY: (0.004) SURFACE RESISTANCE CODE 263 20 MANUFACTURER'S TRADEMARK Soldering Profile XXXX X% YYY C O S TA R I C A MODEL NUMBER TOLERANCE DATE CODE COUNTRY OF ORIGIN 275 <1> Maximum of 20 seconds between 260 C peak +245 C and +260 C <1> 245 C 225 Temperature (C) 220 C 190 C 175 How to Order 60 - 90 seconds PWR 263 S - 20 - 10R0 F E Ramp Down 6 C/second 150 C 125 Model PWR = Power Resistor Package 263 = D2PAK 60 - 120 seconds 10 seconds minimum Pin Style S = Surface Mount 75 Ramp Up 3 C/second maximum Power 20 = 20 W 25 0 50 100 150 Time (seconds) 200 250 300 Power dissipation is 2.8 W at an ambient temperature of 25 C when mounted on a double-sided copper board using FR4 standard, 70 m of copper, 39 x 30 x 1.6 mm. Resistance Value <100 ohms ... "R" represents decimal point (examples: 7R50 = 7.5 ; R500 = 0.5 ) 100 ohms.... First three digits are significant, fourth digit represents number of zeros to follow (examples: 2000 = 200 ohms; 3002 = 30K ohms) Absolute Tolerance J=5% F=1% Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Packaging E = Tape & Reel Blank = Tubes PWR263S-20 Series Power Resistor Pulse Power Rating Energy in Joules 100 10 1 0.1 0.01 10 - 7 10 - 6 10 - 5 10 -4 10 - 3 10 -2 10 -1 Overload Duration in Seconds The energy absorbed by the resistor expressed in Joules can be calculated by multiplying the peak power of the pulse in watts times the length of the pulse in seconds. The energy should not exceed the limits shown in the graph. The overload voltage should not exceed 1.5 times the maximum operating voltage. Packaging Specifications 5.3 (0.209) 0.38 0.20 (0.015 0.008) DIMENSIONS: TOLERANCE: 24.0 (0.945) 0.5 0.18 (0.020 0.007) Asia-Pacific: Tel: +886-2 2562-4117 * Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 * Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 * Fax: +1-951 781-5700 www.bourns.com REV. 07/12 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MM (INCHES) 0.38 UNLESS OTHERWISE NOTED (0.015)