Features Applications n TO-220 housing n Power supplies n Low inductance n Motor drives n Resistor electrically isolated from the n Test and measurement backplate n Rectifiers n High power rating n AEC-Q200 qualified n RoHS compliant* PWR220T-20 Series Power Resistor General Information Bourns PWR220T-20 Series is a TO-220 DPAK style power resistor. Manufactured using thick film on alumina ceramic technology, it is used in current measurement, snubber, bleeder and discharge circuits. Electrical & Thermal Characteristics Popular Resistance Values Resistance Resistance Parameter Value(s) Code Code Value Value Resistance (See Popular Resistance Values table) 0.02 to 130 K R020 0.02 *** 1000 100 Power Rating 25 C Case Temperature 20 W R025 0.025 *** 1200 120 Tolerance 1 %**, 5 % R030 0.03 *** 1500 150 R033 0.033 *** 2000 200 TCR R040 0.04 *** 2500 250 0.02 <R<130.0K 100 PPM/C R050 0.05 *** 3000 300 Thermal Resistance - R 6.5 C/W thj R075 0.075 *** 3300 330 Inductance 0.1 H maximum R100 0.1 4000 400 Operating Voltage P*R with a maximum of 250 V R150 0.15 4700 470 Dielectric Strength 2 KV AC R200 0.2 5000 500 R250 0.25 5600 560 Insulation Resistance 10 G R300 0.3 7500 750 Operating Temperature -55 C to 155 C R330 0.33 1001 1.0 K ** Available for most values. Check Popular Resistance Values table. R400 0.4 1501 1.5 K R500 0.5 2001 2.0 K R750 0.75 2501 2.5 K Reliability Characteristics 1R00 1 3001 3.0 K 1R50 1.5 3301 3.3 K Parameter Specification 2R00 2 4001 4.0 K Short Term Overload (2x Pr for R < 2 , R 0.25 % 2R50 2.5 5001 5.0 K 1.6 x Pr for R 2 , V < 1.5 x Operating Voltage) 3R00 3 7501 7.5 K Load Life (1000 hours at rated power) R 1.0 % 3R30 3.3 1002 10 K Thermal Shock (-55 C to 155 C, 5 cycles) R 0.5 % 4R00 4 1502 15 K 5R00 5 2002 20 K Resistance to Soldering Heat (10 seconds at R 0.5 % 7R50 7.5 2502 25 K 270 C) 8R00 8 3002 30 K Vibration (20 G 10-2000 Hz .06 D.A.) R 0.25 % 10R0 10 3302 33 K Terminal Strength (MIL-STD-202, Method 211 R 0.2 % 12R0 12 4002 40 K Test A1) 15R0 15 4702 47 K Shock (Saw Tooth: 100 g/6 ms) R 0.5 % 20R0 20 5002 50 K Humidity (Steady State) 1000 hrs. 85 C/85 % RH R 0.5 % 25R0 25 5602 56 K 27R0 27 6802 68 K High Temperature Exposure R 0.5 % 30R0 30 7502 75 K (100 hrs - 40 % Pr +125 C) 33R0 33 8202 82 K 40R0 40 1003 100 K Material Characteristics Typical Part Marking 47R0 47 1153 115 K 50R0 50 1203 120 K Resistor ...................................Thick film 56R0 56 1253 125 K Substrate ..................... Alumina (AL203) 75R0 75 1303 130 K Housing ........................................Epoxy MODEL Pins....................Tinned Copper (Sn/Cu) *** 5 % Tolerance NUMBER 220 20 RESISTANCE Flammability ........ Conforms to UL-94V0 CODE TOLERANCE R500 1% YYWW DATE CODE MANUFACTURER S Packaging COSTA RICA COUNTRY TRADEMARK OF ORIGIN ............................................ 50 pcs./tube *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. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 220 20 3302 1% 1622 COSTA RICA *RoHS COMPLIANT VERSIONS AVAILABLE *RoHS COMPLIANT LEAD FREE LEAD FREE VERSIONS ARE RoHS COMPLIANT* *RoHS COMPLIANT & AEC-Q200 QUALIFIED *RoHS COMPLIANT AEC APPROVED (Select Models) PWR220T-20 Series Power Resistor Product Dimensions How to Order PWR 220 T - 20 - 10R0 F 4.04.0 (.158) (.158) 10.110.1 3.63.6 Model DIA.DIA. 1.23 (.398) (.142) 1.23 (.398) (.142) PWR = Power Resistor (.049)(.049) Package 220 = TO-220 Style Pin Style 6.0 6.0 T = Through-hole 2.52.5 (.236)(.236) (.098) Power (.098) 20 = 20 W 14.6 14.6 (.575(.575 Resistance Value <100 ohms ... R represents decimal point 8.638.63 (examples: 7R50 = 7.5 R500 = 0.5 ) (.340) (.340) 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 % 28.3 28.3 13.72 13.72 (1.12) (1.12) (.540)(.540) REF. REF. Derating Curve 120 100 0.72 0.72 2.252.25 (.029)(.029) 80 (.089) 5.085.08 (.089) (.200) (.200) 60 MM DIMENSIONS: (INCHES) 40 0.38 TOLERANCE: UNLESS OTHERWISE NOTED 20 (0.015) 0 -20 Pulse Power Rating 25 35 45 55 65 75 85 95 105 115 125 135 145 155 100 Temperature of Backplate (C) 10 1 0.1 0.01 -7 -6 -5 -4 -3 -2 -1 10 10 10 10 10 10 10 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. REV. 07/16 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. Energy in Joules Power Ratio (%)