PL IA N T Features 25 M CO *R oH S ■ Smaller than a D2PAK package ■ Low inductance 3 5% 1 6 R00 005ICA 1 TA S CO R ■ RoHS compliant* ■ 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 PWR163 Series Power Resistor General Information The PWR163 Series is a DPAK style surface mount power resistor. It has a very low inductance making it ideal for high frequency applications such as amplifiers for audio or wireless base stations. It has excellent pulse characteristics as well, allowing it to be used in current limiting or capacitor discharge circuits. Electrical & Thermal Characteristics Material Characteristics Parameter Value(s) Resistance (See Popular Resistance Values table) 0.02 Ω to 130 KΩ Power Rating @ 25 ˚C Case Temperature 25 W Tolerance ±1 %**, TCR 0.02 Ω<R<130.0K Ω ±100 PPM/˚C Thermal Resistance - Rthj 5.2 ˚C/W Inductance 0.1 μH maximum Operating Voltage √P*R with a maximum of 250 V Dielectric Strength 2 KV AC ±5 % Insulation Resistance 10 GΩ Operating Temperature -55 ˚C to 155 ˚C ** Available for most values. Check Popular Resistance Values table. Reliability Characteristics Parameter Specification Short Term Overload (2x Pr for R < 2 Ω, 1.6 x Pr for R ≥ 2 Ω, V < 1.5 x Operating Voltage) ΔR ±0.25 % Load Life (1000 hours at rated power) ΔR ±1.0 % Thermal Shock (-55 ˚C to 155 ˚C, 5 cycles) ΔR ±0.5 % Resistance to Soldering Heat (10 seconds at 270 ˚C) ΔR ±0.5 % Vibration (20 G 10-2000 Hz .06 ” D.A.) ΔR ±0.25 % Moisture Sensitivity Level 1 Power Ratio (%) Derating Curve 120 100 80 60 40 20 0 25 50 85 100 115 130 145 155 Temperature of Backplate (°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. Resistor ...................................Thick film Substrate ..................... Alumina (AL203) Housing ........................................ Epoxy Pins....................Tinned Copper (Sn/Cu) Flammability ........ Conforms to UL-94V0 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 Ω*** 0.025 Ω*** 0.03 Ω*** 0.033 Ω*** 0.04 Ω*** 0.05 Ω*** 0.075 Ω*** 0.1 Ω 0.15 Ω 0.2 Ω 0.25 Ω 0.3 Ω 0.33 Ω 0.4 Ω 0.5 Ω 0.75 Ω 1Ω 1.5 Ω 2Ω 2.5 Ω 3Ω 3.3 Ω 4Ω 5Ω 7.5 Ω 8Ω 10 Ω 12 Ω 15 Ω 20 Ω 25 Ω 27 Ω 30 Ω 33 Ω 40 Ω 47 Ω 50 Ω 56 Ω 75 Ω 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 Ω 120 Ω 150 Ω 200 Ω 250 Ω 300 Ω 330 Ω 400 Ω 470 Ω 500 Ω 560 Ω 750 Ω 1.0 KΩ 1.5 KΩ 2.0 KΩ 2.5 KΩ 3.0 KΩ 3.3 KΩ 4.0 KΩ 5.0 KΩ 7.5 KΩ 10 KΩ 15 KΩ 20 KΩ 25 KΩ 30 KΩ 33 KΩ 40 KΩ 47 KΩ 50 KΩ 56 KΩ 68 KΩ 75 KΩ 82 KΩ 100 KΩ 115 KΩ 120 KΩ 125 KΩ 130 KΩ *** 5 % Tolerance PWR163 Series Power Resistor Soldering Profile How to Order PWR 163 S - 25 - 10R0 J E 275 <1> Maximum of 20 seconds between 260 °C peak +245 °C and +260 °C Model PWR = Power Resistor <1> 245 °C 225 Temperature (°C) 220 °C 190 °C Package 163 = DPAK Style 60 - 90 seconds 175 Pin Style S = Surface Mount Ramp Down 6 °C/second 150 °C 125 Power 25 = 25 W 60 - 120 seconds 10 seconds minimum 75 Ramp Up 3 °C/second maximum 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 µm of copper, 39 x 30 x 1.6 mm. Resistance Value <100 ohms ... “R” represents decimal point (examples: 7R50 = 7.5 Ω; R500 = 0.5 Ω) ≥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% Packaging E = Tape & Reel Blank = Tubes Pulse Power Rating Energy in Joules 100 Typical Part Marking 10 RESISTANCE CODE 1 MANUFACTURER'S TRADEMARK 0.1 0.01 10 - 7 10 - 6 10 - 5 10 -4 10 -3 10 -2 163 25 XXXX X% YYY COS TA R I CA MODEL NUMBER TOLERANCE DATE CODE COUNTRY OF ORIGIN 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. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. PWR163 Series Power Resistor Product Dimensions Recommended Pad Layout 2.79 (0.110) 8.13 (0.320) 8.22 (0.324) 6.35 (.250) 0.81 (0.032) 7.11 (.280) 12.29 (0.484) REF. 7.24 (0.285) 5.08 (0.200) 8.51 (.335) 1.78 (.070) 4.03 (0.159) 0.89 (0.035) 7.87 (0.310) 1.51 (0.059) 3.81 (.150) 1.76 (0.069) 1.62 (.065) 0.51 (0.020) 1.62 (.065) 5.08 (.200) Packaging Specifications 5.3 (0.209) 0.38 ± 0.20 (0.015 ± 0.008) DIMENSIONS: 24.0 (0.945) TOLERANCE: 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. 11/12 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)