V ishay I n t e r t e ch n olo g y, I n c . I INNOVAT AND TEC O L OGY WSR5 N HN power metal strip® resistors O 19 62-2012 Resistors - High Power, Compact Size High-Power (5 W), Low Value (Down to 0.001 Ω), Surface-Mount, Power Metal Strip® Resistor Key Benefits • • • • Compact 4527 package size Low resistance values: from 1 mΩ to 300 mΩ Inductance values as low as 0.5 ŋH Resistant to thermal and mechanical shock, extreme temperatures, humidity, and vibration • Operating temperature range: - 65 ºC to + 275 ºC • Lead (Pb)-free version is RoHS-compliant APPLICATIONS • Automotive systems • Power supplies in communications base stations • DC/DC converters Resources • Datasheet: WSR5 - http://www.vishay.com/doc?31059 • For technical questions contact [email protected] One of the World’s Largest Manufacturers of Discrete Semiconductors and Passive Components PRODUCT SHEET 1/2 VMN-PT9058-1201 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 V ishay I n t e r t e ch n olo g y, I n c . AND TEC I INNOVAT O L OGY WSR5 WSR High Power N HN power metal strip® resistors O 19 Vishay Dale 62-2012 ® Resistors, High-PowerPower (5 W),Metal Low Strip Value (Down to 0.001 Ω), Surface-Mount, Power Metal Strip® Resistor Mount Low Value (Down to 0.001 ), Surface • Molded high temperature encapsulation • Improved thermal management incorporated into design • Ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instrumentation, power amplifiers • Proprietary processing technique produces extremely low resistance values (down to 0.001 ) • All welded construction • Solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (< 20 ppm/°C) • Solderable terminations • Very low inductance 0.5 nH to 5 nH • Excellent frequency response to 50 MHz • Low thermal EMF (< 3 μV/°C) • Integral heat sink not utilized for resistance values less than 0.0075 • Compliant to RoHS Directive 2002/95/EC STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL WSR5 RESISTANCE VALUE RANGE POWER RATING P70 °C W SIZE 4527 5.0 Tol. ± 0.5 % Tol. ± 1 % 0.01 to 0.3 0.001 to 0.3 (1) WEIGHT (typical) g/1000 pieces 476 Notes • Part marking: DALE, model, value, tolerance, date code. (1) The WSR5 is rated at 5 W with terminal temperature maintained 120 °C. TECHNICAL SPECIFICATIONS PARAMETER Temperature coefficient UNIT WSR5 ppm/°C ± 110 for 0.0075 to 0.0099 ± 75 for 0.01 to 0.3 VAC > 500 Dielectric withstanding voltage Insulation resistance > 109 Operating temperature range °C - 65 to + 275 Maximum working voltage V (P x R)1/2 GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSR5R0100FTA (preferred part numbering format) W Revision 06-Dec-10 Resistors - High Power, Compact Size FEATURES S R 5 R 0 1 0 0 F T A GLOBAL MODEL VALUE TOLERANCE CODE PACKAGING SPECIAL WSR5 L = m* R = Decimal 5L000 = 0.005 R0100 = 0.01 * use “L” for resistance values < 0.01 D = ± 0.5 % F = ± 1.0 % J = ± 5.0 % EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk (Dash number) (Up to 2 digits) From 1 to 99 as applicable TA = Tin/lead, tape/reel (R86) BA = Tin/lead, bulk (B43) Historical Part Numbering example: WSR5 0.01 1 % R86 (will continue to be accepted) WSR5 0.01 1% R86 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING * Pb containing terminations are not RoHS compliant, exemptions may apply ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 www.vishay.com 438 PRODUCT SHEET For technical questions, contact: [email protected] 2/2 Document Number: 31059 Revision: 06-Dec-10 VMN-PT9058-1201 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000