WS8M15R0J Bourns

Features Applications Surge withstand IEC 61000-4-5 1.2/50 s Smart meters Low thermal resistant ceramic core Renewable energy E24 resistance values Industrial RoHS compliant* Power supplies/chargers Wide power range (1~8 W) Lighting Coating material meets UL 94V-0 Instruments/gauges requirements White goods WS Series High Surge Withstand Wirewound Resistor Electrical Characteristics How to Order Resistance Range ................................................ See Popular Resistance Values Table WS 3 M 22R0 J Power Rating 70 C Product Series WS1M, WS1A ........................................................................................................1 W WS = Wirewound, High WS2M, WS2A ........................................................................................................2 W Surge Withstand WS3M, WS3A ........................................................................................................3 W Power Rating WS5M, WS5A ........................................................................................................5 W 1 = 1 Watt 2 = 2 Watts WS7M, WS7A ........................................................................................................7 W 3 = 3 Watts WS8M ....................................................................................................................8 W 5 = 5 Watts Tolerance .................................................................................................................... 5 % 7 = 7 Watts Operating Temperature .........................................................................-55 C to +200 C 8 = 8 Watts Temperature Coef cient ..............................................................................200 ppm/C Pin Style Maximum Voltage ....................................................................................................P*R A = Axial Standard Version M = Axial Miniaturized Version Popular Resistance Values Resistance Code R<100 ohms: R represents decimal point Code R Value Code R Value (example: 22R0 = 22 ohms) 68R0 68 15R0 15 R100 ohms: 1500 150 20R0 20 First three digits are signi cant, 1001 1K 22R0 22 fourth digit represents number of 3301 3.3K zeros to follow 33R0 33 (example: 1001 = 1K ohms) 47R0 47 Resistance Tolerance Other E24 resistance values available upon request. J = 5 % Physical Characteristics Resistor .................................................................... Low thermal resistant ceramic core Lead Wire ......................................................................................Tin-plated copper wire Coating Material ............................................................... Meets UL 94V-0 requirements Environmental Characteristics Test Conditions Speci cation Short Time Overload 10 times rated power for 5 seconds. R(5 % 0.05 ) Solderability 245 3 C for 2.5 0.5 seconds. Over 95 % coverage Resistance to 260 5 C for 10 1 seconds. R(1 % + 0.05 ) Solder Heat Temperature Cycle 5 cycles, -55 C 3 C for 30 minutes, Room temperature for R(2 % + 0.05 ) 15 minutes, +155 2C for 30 minutes, Room temperature for 15 minutes Dielectric Strength Test voltage >500 Vrms for >1 minute. Pass Insulation Resistance Test voltage >500 Vrms for 1 minute. >109 Load Life Humidity Rated continuous voltage for 1000 hours, 1.5 hours ON and R (5 % + 0.05 ) 0.5 hours OFF at 90~95 % relative humidity and test temperature of 40 C 2 C. Load Life Rated continuous voltage for 1000 hours, 1.5 hours ON and R(5 % + 0.05 ) 0.5 hours OFF at a test temperature of 70 C 2 C. 1000 hours at rated power. Surge IEC 61000-4-5 1.2/50 s exponential. R (5 % + 0.05 ) *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Speci cations 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 speci c applications. *RoHS COMPLIANT WS Series High Surge Withstand Wirewound Resistor Product Dimensions Typical Part Marking Resistors shall be marked with color WL 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 4.5 1.0 28.0 3.0 0.65 0.05 1st 2nd Multi- WS1M Color Tol. (.374 .004) (.177 .004) (1.102 .118) (.026 .002) Band Band plier 00 1 Black 11.5 1.0 5.0 1.0 28.0 3.0 0.65 0.05 WS1A 1 1 10 1 % (.453 .004) (.197 .004) (1.102 .118) (.026 .002) Brown 2 2 100 2 % Red 11.5 1.0 5.0 1.0 28.0 3.0 0.65 0.05 WS2M 33 1K (.453 .004) (.197 .004) (1.102 .118) (.026 .002) Orange 4 4 10K Yellow 15.5 1.0 5.5 1.0 28.0 3.0 0.75 0.05 WS2A 5 5 100K 0.5 % (.610 .004) (.217 .004) (1.102 .118) (.030 .002) Green 66 1M 0.25 % Blue 15.5 1.0 5.5 1.0 28.0 3.0 0.75 0.05 WS3M 7 7 10M 0.10 % (.610 .004) (.217 .004) (1.102 .118) (.030 .002) Violet 8 8 0.05 % Grey 17.5 1.0 6.5 1.0 28.0 3.0 0.75 0.05 WS3A 99 (.689 .004) (.256 .004) (1.102 .118) (.030 .002) White 0.1 5 % Gold 17.5 1.0 6.5 1.0 28.0 3.0 0.75 0.05 WS5M 0.01 10 % (.689 .004) (.256 .004) (1.102 .118) (.030 .002) Silver 24.5 1.0 8.5 1.0 38.0 3.0 0.75 0.05 WS5A (.965 .004) (.335 .004) (1.496 .118) (.030 .002) Power Derating Curve 24.5 1.0 8.5 1.0 38.0 3.0 0.75 0.05 120 WS7M (.965 .004) (.335 .004) (1.496 .118) (.030 .002) 100 29.5 1.0 8.5 1.0 38.0 3.0 0.75 0.05 80 WS7A (1.161 .004) (.335 .004) (1.496 .118) (.030 .002) 60 29.5 1.0 8.5 1.0 38.0 3.0 0.75 0.05 40 WS8M (1.161 .004) (.335 .004) (1.496 .118) (.030 .002) 20 0 -55 0 50 70 100 150 200 250 275 300 Ambient Temperature (C) Speci cations 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 speci c applications. Percent Rated Load (%)