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| WL Series Miniature Wirewound Current Sense 0.984 / 25 L D d FEATURES * Ultra-low ohmic value series for Current Sensing applications * Very low inductance (<1nH at 1MHz Test) * Miniaturized dimensions, Better power to dimension ratios * Use of the highest quality standard (96% Alumina) ceramic core * Manufacturing process-Wire winding/Spot Welding-by Computer Numerical Control (CNC) machine tools to ensure consistency of product quality. * Encapsulated by epoxy molding compound * Advanced IC encapsulation mold/die technologies SPECIFICATIONS Material Ceramic Core: CeramTec Rubalit(R) 96% alumina End Caps: Stainless steel, precision formed Leads: Copper wire, 100% Sn (Lead Free) coated CN49W alloy resistance wire TC 20ppm/C Encapsulation: SUMICON 1100/ 1200 Epoxy molding compound for IC encapsulation Electrical Standard Tolerance: F (1.0%), J (5.0%) Temperature Coefficient (ppm/C): 300ppm/C for 0.03 100ppm/C for 0.033 Maximum Working Voltage: PxR Type WLA WLB WLC Power Resistance Rating Range (watts) () 0.5 0.005-0.100 1 0.005-0.100 2 0.010-0.100 Dim. L (mm/in) 5.08 / 0.200 7.00 / 0.276 11.4 / 0.450 Dim. D (mm/in) 2.54 / 0.100 3.00 / 0.120 6.86 / 0.270 Dim. d (mm/in) 0.60 / 0.024 0.60 / 0.024 0.80 / 0.031 DERATING Percent Rated Power PERFORMANCE CHARACTERISTICS Test Thermal Shock Short-time Overload Solderability Terminal Strength Conditions Of Test Rated power applied until thermal stability, -55C +0C,-5C,15min. 5 times rated wattage for 5 seconds Method 208 of MIL-STD-202 Pull test:10 pounds, 5 to10 seconds, Twist test: 1080,5 second/rotation 500 Volts rms for 1W. 1 minute Performance 2.0% 2.0% 2.0% 1.0% 1.0% 5.0% 2.0% 2.0% 1.0% 5.0% 100 80 60 40 20 0 0 25 50 75 100 125 150 175 Ambient Temperature, C Dielectric Withstanding Voltage High Temperature Exposed to an ambient temperature of 275 Exposure +5/-0C for 250 8 hours, Moisture Resistance MIL-STD-202 Method 106, 7b not applicable Low Temperature Cold chamber at a temperature of -65 Storage 2C for 24 4 hours Vibration, High Frequency varied 10 to 2000Hz, 200G Frequency peak, 2 directions 6 hours each Load Life 1000/2000 hours at rated power, +25C, 1.5 hours "On", 0.5 hours "Off" S TA N D A R D PA RT N U M B E R S F O R W L S E R I E S Wattage: Series: Ohms 0.005 0.01 0.015 0.02 0.025 0.03 0.05 0.10 WLAR005FE WLAR01FE WLAR015FE WLAR02FE WLAR025FE WLAR03FE WLAR05FE WLAR10FE WLBR005FE WLBR01FE WLBR015FE WLBR02FE WLBR025FE WLBR03FE WLBR05FE WLBR10FE WLCR01FE WLCR015FE WLCR02FE WLCR025FE WLCR03FE WLCR05FE WLCR10FE 0.5 WLA 1.0 WLB 2.0 WLC O R D E R I N G I N F O R M AT I O N RoHS compliant Series Power A = 0.5 B=1 C=2 Ohms Tolerance Package T = Tape F = 1% J = 5% blank = 25pc Pack Check product availability at www.ohmite.com KEY TO FIVE-BAND CODE Band Color Black Brown Red Orange Yellow Green Blue Violet Grey White Gold Silver 1 0 1 2 3 4 5 6 7 8 9 2 Digit 0 1 2 3 4 5 6 7 8 9 3 0 1 2 3 4 5 6 7 8 9 x x x x x x x 4 Multiplier 1 10 100 1K 10K 5 Tolerance 1% (F) 2% (G) x 100K 1M 10M 0.5% (D) 0.25% (C) 0.10% (B) 0.05% To see the latest in resistor technology click on the "What's New" tab at ohmite.com x 0.001 x x 0.1 0.01 5% (J) 10% (K) 14 Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 * 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com |
Price & Availability of WLAR03FE
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