Features AUTOMOTIVE GRADE n TO-220 housing n Low inductance n Resistor electrically isolated from the backplate n High power rating n AEC-Q200 compliant n RoHS compliant* PWR220T-20 Series Power Resistor General Information Additional Information Bourns PWR220T-20 Series is a TO-220 DPAK style power resistor. Manufactured Click these links for more information: using thick film on alumina ceramic technology, it is used in current measurement, snubber, bleeder and discharge circuits. PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT Electrical & Thermal Characteristics LIBRARY Parameter Value(s) Popular Resistance Values Resistance (See Popular Resistance Values table) 0.02 to 130 K Power Rating 25 C Case Temperature 20 W Resistance Resistance Code Code Value Value Tolerance 1 %**, 5 % R020 0.02 *** 1000 100 TCR R025 0.025 *** 1200 120 0.02 <R<130.0K 100 PPM/C R030 0.03 *** 1500 150 Thermal Resistance - R 6.5 C/W thj R033 0.033 *** 2000 200 Inductance 0.1 H maximum R040 0.04 *** 2500 250 R050 0.05 *** 3000 300 Operating Voltage P*R with a maximum of 250 V R075 0.075 *** 3300 330 Dielectric Strength 2 KV AC R100 0.1 4000 400 Insulation Resistance 10 G R150 0.15 4700 470 Operating Temperature -55 C to 155 C R200 0.2 5000 500 R250 0.25 5600 560 ** Available for most values. Check Popular Resistance Values table. R300 0.3 7500 750 R330 0.33 1001 1.0 K Reliability Characteristics R400 0.4 1501 1.5 K R500 0.5 2001 2.0 K Parameter Specification R750 0.75 2501 2.5 K Short Term Overload (2x Pr for R < 2 , 1R00 1 3001 3.0 K R 0.25 % 1.6 x Pr for R 2 , V < 1.5 x Operating Voltage) 1R50 1.5 3301 3.3 K Load Life (1000 hours at rated power) R 1.0 % 2R00 2 4001 4.0 K 2R50 2.5 5001 5.0 K Thermal Shock (-55 C to 155 C, 5 cycles) R 0.5 % 3R00 3 7501 7.5 K Resistance to Soldering Heat (10 seconds at R 0.5 % 3R30 3.3 1002 10 K 270 C) 4R00 4 1502 15 K Vibration (20 G 10-2000 Hz .06 D.A.) R 0.25 % 5R00 5 2002 20 K Terminal Strength (MIL-STD-202, Method 211 7R50 7.5 2502 25 K R 0.2 % Test A1) 8R00 8 3002 30 K Shock (Saw Tooth: 100 g/6 ms) R 0.5 % 10R0 10 3302 33 K 12R0 12 4002 40 K Humidity (Steady State) 1000 hrs. 85 C/85 % RH R 0.5 % 15R0 15 4702 47 K High Temperature Exposure R 0.5 % 20R0 20 5002 50 K (100 hrs - 40 % Pr +125 C) 25R0 25 5602 56 K 27R0 27 6802 68 K 30R0 30 7502 75 K Material Characteristics Packaging 33R0 33 8202 82 K Resistor ...................................Thick film ............................................ 50 pcs./tube 40R0 40 1003 100 K Substrate ..................... Alumina (AL203) 47R0 47 1153 115 K Housing ........................................Epoxy 50R0 50 1203 120 K Pins....................Tinned Copper (Sn/Cu) 56R0 56 1253 125 K Flammability ........ Conforms to UL-94V0 75R0 75 1303 130 K *** 5 % Tolerance *RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. WARNING Cancer and Reproductive Harm The products described herein and this document are subject to specific legal disclaimers as set forth on the last page www.P65Warnings.ca.gov of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 220 20 3302 1% 1622 COSTA RICA *RoHS and AEC-Q200 COMPLIANT *RoHS and AEC-Q200 COMPLIANT PWR220T-20 Series Power Resistor Product Dimensions 4.0 4.0 (.158) (.158) 10.1 10.1 3.6 3.6 DIA. DIA. 1.23 (.398) (.142) 1.23 (.398) (.142) (.049) (.049) 6.0 6.0 2.5 2.5 (.236) (.236) (.098) (.098) 14.6 14.6 (.575 (.575 8.63 8.63 (.340) (.340) 28.3 28.3 13.72 13.72 (1.12) (1.12) (.540) (.540) REF. REF. 0.72 0.72 2.25 2.25 (.029) (.029) (.089) 5.08 5.08 (.089) (.200) (.200) MM DIMENSIONS: (INCHES) 0.38 TOLERANCE: UNLESS OTHERWISE NOTED (0.015) Pulse Power Rating Power Derating Curve 100 120 25 C 10 100 1 75 0.1 0.01 -7 -6 -5 -4 -3 -2 -1 10 10 10 10 10 10 10 50 Overload Duration in Seconds The energy absorbed by the resistor expressed in Joules can be 25 calculated by multiplying the peak power of the pulse in watts times the length of the pulse in seconds. 0 020840 60 0 100 120 140 155 The energy should not exceed the limits shown in the graph. The overload voltage should not exceed 1.5 times the maximum Case Temperature (C) operating voltage. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Energy in Joules Rated Power (%)