W3M1200J Bourns

Features Applications Low thermal resistant ceramic core Smart meters E24 resistance values Renewable energy RoHS compliant* Industrial Wide power range (1~10 W) Power supplies/chargers Coating material meets UL 94V-0 Lighting requirements Instruments/gauges White goods W Series Wirewound Power Resistor Electrical Characteristics How to Order Resistance Range ................................................ See Popular Resistance Values Table W 3 M 22R0 J Tolerance .................................................................................................................... 5 % Product Series Operating Temperature .........................................................................-55 C to +200 C W = Wirewound Temperature Coef cient ..............................................................................300 ppm/C Power Rating Maximum Voltage .................................................................................................... P*R 1 = 1 Watt 2 = 2 Watts 3 = 3 Watts Non-inductive version is available upon request. 5 = 5 Watts 7 = 7 Watts Popular Resistance Values 9 = 9 Watts 10 = 10 Watts Code R Value Code R Value Pin Style M = Axial Miniaturized Version 15R0 15 56R0 56 Resistance Code 22R0 22 82R0 82 R<100 ohms: R represents decimal point 33R0 33 1000 100 (examples: 56R0 = 56 ohms) R 100 ohms: 39R0 39 1200 120 First three digits are signi cant, 47R0 47 1500 150 fourth digit represents number of zeros to follow Other E24 resistance values available upon request. (example: 1500 = 150 ohms) Resistance Tolerance J = 5 % Physical Characteristics Resistor .................................................................... Low thermal resistant ceramic core Lead Wire ......................................................................................Tin-plated copper wire Packaging Speci cations Coating Material ............................................................... Meets UL 94V-0 requirements Min. Qty. per Order Model Style Box Environmental Characteristics Quantity (Pcs.) (Pcs.) Test Conditions Speci cation W1M Ammo 2.5 times rated voltage W2M 1,000 5,000 Short Time Overload R/R (2 % 0.05 ) Pack for 5 seconds. W3M Solderability 245 3 C for 2.5 0.5 seconds. Over 95 % coverage W5M Ammo Resistance to 500 2,000 260 5 C for 10 1 seconds. R/R (1 % + 0.05 ) Pack W7M Solder Heat Test voltage >500 Vrms for W9M Bulk in Dielectric Strength Pass 25 / 200 2,000 >1 minute. Box W10M Test voltage >500 Vrms for 9 Insulation Resistance >10 1 minute. 40 2 C, 90 to 95 %. Load Life Humidity 1.5 hours ON, 0.5 hours OFF for R/R (5 % + 0.05 ) 1000 hours at rated power. 70 2 C. Load Life 1.5 hours ON, 0.5 hours OFF for R/R (5 % + 0.05 ) 1000 hours at rated power. WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov *RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANTW Series Wirewound Power Resistor Product Dimensions Typical Part Marking Resistors shall be marked with color W L W coding. Colors shall be in accordance with D JIS C 0802. T (DIA.) MM DIMENSIONS: (INCHES) 1st Significant Figure 2nd Significant Figure Dimensions Multiplier Model Tolerance L* D W T 9.5 1.0 4.0 1.0 28.0 3.0 0.60 0.05 W1M (.374 .004) (.157 .004) (1.102 .118) (.024 .002) 1st 2nd Multi- Tol. Color Band Band plier 11.5 1.0 4.5 1.0 28.0 3.0 0.65 0.05 W2M (.453 .004) (.177 .004) (1.102 .118) (.026 .002) Black 00 1 Brown 1 1 10 1 % 15.5 1.0 5.5 1.0 28.0 3.0 0.70 0.05 W3M (.610 .004) (.217 .004) (1.102 .118) (.028 .002) Red 2 2 100 2 % Orange 33 1K 17.5 1.0 6.5 1.0 28.0 3.0 0.75 0.05 W5M (.689 .004) (.256 .004) (1.102 .118) (.030 .002) Yellow 4 4 10K Green 5 5 100K 0.5 % 24.5 1.0 8.5 1.0 38.0 3.0 0.75 0.05 W7M (.965 .004) (.335 .004) (1.496 .118) (.030 .002) Blue 66 1M 0.25 % Violet 7 7 10M 0.10 % 39.5 1.0 8.5 1.0 38.0 3.0 0.75 0.05 W9M (1.555 .004) (.335 .004) (1.496 .118) (.030 .002) Grey 8 8 0.05 % White 99 52.5 1.0 8.5 1.0 38.0 3.0 0.75 0.05 W10M (2.067 .004) (.335 .004) (1.496 .118) (.030 .002) Gold 0.1 5 % Silver 0.01 10 % * Larger body size available upon request. Power Derating Curve 120 100 80 60 40 20 0 -55 0 50 70 100 150 200 250 275 300 Ambient Temperature (C) Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Percent Rated Load (%)