V i shay I n t e r t e ch n o l o g y, I n c . I INNOVAT AND TEC O L OGY WSZ N HN WIREWOUND RESISTORS O 19 62-2012 Resistors - Wattage Ratings up to 3.75 W High-Power, Surface-Mount, Wirewound Resistors Key Benefits • • • • • High-power surface-mount device: up to 3.75 W High temperature performance: up to + 350 ºC All welded construction Available on tape and reel Can replace axial leaded components without increasing board temperature APPLICATIONS • • • • • • Motor controls Pulsing applications Switching systems Home entertainment Telecommunications Satellite receivers Resources • Datasheet: WSZ - http://www.vishay.com/doc?30246 • For technical questions contact [email protected] One of the World’s Largest Manufacturers of Discrete Semiconductors and Passive Components PRODUCT SHEET 1/2 VMN-PT9059-1201 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 i shay I n t e r t e ch n o l o g y, I n c . INNOVAT O L OGY WSZ WSZ AND TEC I WIREWOUND RESISTORS N HN O 19 62-2012 Vishay Wirewound Resistors, Surface Mount, High-Power, Surface-Mount, Wirewound Resistors Silicone or Cement Coated, High Power • • • • • • • Low cost, high power (up to 3.75 W) All welded construction Ideal for pulsing application Ceramic core Available on tape and reel AEC-Q200 qualified available (1) Compliant to RoHS Directive 2002/95/EC Note (1) Flame retardance test may not be applicable to some resistor technologies. STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE RESISTANCE POWER RESISTANCE RESISTANCE RANGE (2) RANGE (2) RANGE TOLERANCE WEIGHT RATING RANGE (typical) ENCAPS. TCR TCR SIZE ±% P25 °C - 10 ... - 80 ppm/K (3) 100 ... 180 ppm/K TCR TCR g W ± 50 ppm/°C ± 30 ppm/°C (CLASS 1) (CLASS 3) 1 to 510 n/a n/a n/a 1 0.22 to 510 n/a n/a n/a 2 WSZ6720 6720 1.8 (4) 0.6 Cement 0.10 to 510 24 to 3.3K n/a n/a 5 0.10 to 510 1.8 to 3.3K n/a n/a 10 n/a n/a n/a 10 to 15K 1, 3 WSZ7532 7532 3.75 0.7 Silicone n/a n/a 1 to 9.99 10 to 15K 5, 10 Notes (2) Lower TCR or other power range on request. Resistance value to be selected for ± 10 % tolerance from E12 and for ± 5 % from E24. (3) 1 400 ppm/K. (4) Power rating depends on the maximum temperature at the solder point, solder pad dimensions, the component placement density and the substrate material. GLOBAL MODEL GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSZ672011509KBM000 W S Z GLOBAL MODEL WSZ6720 6 7 2 TCR/MATERIAL 1= - 10 ... - 80 ppm/K WM 50 Class 1 3= 100 ... 180 ppm/K WM 110 Class 3 0 1 1 VALUE 3 digit value 1 digit multiplier MULTIPLIER 7 = *10-3 8 = *10-2 9 = *10-1 0 = *100 1 = *101 2 = *102 3 = *103 5 0 9 K TOLERANCE CODE F = ± 1.0 % G = ± 2.0 % J = ± 5.0 % K = ± 10.0 % HISTORICAL MODEL TCR/MATERIAL VALUE B M 0 PACKAGING BM = Lead (Pb)-free, tape/reel LX = Lead (Pb)-free, bulk Historical Part Numbering example: WSZ6720 WM 50 15 10 % BM 15 WSZ6720 WM 50 0 0 SPECIAL 3 digits 000 = Standard 10 % BM TOLERANCE CODE PACKAGING Global Part Numbering example: WSZ75321K000JTA W Revision 17-Mar-11 Resistors - Wattage Ratings up to 3.75 W FEATURES S Z 7 5 3 2 1 K 0 0 0 J T A GLOBAL MODEL VALUE TOLERANCE CODE PACKAGING SPECIAL WSZ7532 R = Decimal K = Thousand 54R15 = 54.15 1K325 = 1325 F = ± 1.0 % G = ± 2.0 % H = ± 3.0 % J = ± 5.0 % K = ± 10 % EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk (Dash number) (Up to 3 digits) From 1 to 999 as applicable TA = Tin/lead, tape/reel BA = Tin/lead, bulk * 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 1 PRODUCT SHEET For technical questions on the WSZ6720, contact: [email protected] For technical questions on the WSZ7532, contact: [email protected] 2/2 Document Number: 30246 Revision: 17-Mar-11 VMN-PT9059-1201 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