Catalogs >
Ohmite >
WL Series

WL Series
2Pages

Catalog excerpts

F E AT URES • 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 SERiES SPECIFICATIONS Type Power Rating (watts) Resistance Range (Q) WLA 0.5 0.005-0.100WLB 1 0.005-0.100WLC 2 0.010-0.100 CHARACTERISTICS Ceramic Core CeramTec Rubalit® 96% alumina End Caps Stainless steel, precision formed Leads Copper wire, 100% Sn (Lead Free) coated Resistance Wire CN49W alloy TC ±20ppm/°C Encapsulation SUMICON 1100/1200 Epoxy molding compound for IC encapsulation Standard Tolerance F (1.0%), J (5.0%) Temperature Coefficient ±300ppm/°C for <0.03Q; ±100ppm/°C for >0.033Q Maximum Working Voltage yPxR Derating PERFORMANCE DATA Test Conditions Of Test Performance Thermal Shock Rated power applied until thermal stability, -55°C +0°C,-5°C,15min. ±2.0% Short-time Overload 5 times rated wattage for 5 seconds ±2.0% Terminal Strength Pull test:10 pounds, 5 to10 seconds, Twist test: 1080°, 5 second/rotation ±1.0% Dielectric Withstanding Voltage 500 Volts rms for 1W. 1 minute ±1.0% High Temperature Exposure Exposed to an ambient temperature of 275 +5/-0°C for 250 ±8 hours, ±5.0% Moisture Resistance MIL-STD-202 Method 106, 7b not applicable ±2.0% Low Temperature Storage Cold chamber at a temperature of -65 ±2°C for 24 ±4 hours ±2.0% Vibration, High Frequency Frequency varied 10 to 2000Hz, 200G peak, 2 directions 6 hours each ±1.0% Load Life 1000/2000 hours at rated power, +25°C, 1.5 hours “On”, 0.5 hours “Off” ±5.0% 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmit

Open the catalog to page 1

Type Power Rating (watts) L D d RoHS compliant WLAR010FE-T ~i- i —i- i i Series Power Ohms Tolerance Package A = 0.5 F = 1% T = Tape Series: WLA 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

Open the catalog to page 2