WSBM8518 www.vishay.com Vishay Dale Power Metal Strip Battery Shunt Resistor W/Molded Enclosure Very Low Value (50 , 100 , 125 , and 500 ) FEATURES High power to resistor size ratio Proprietary processing technique produces extremely low resistance values All welded construction Solid metal manganese-copper alloy or nickel-chrome alloy resistive element with low TCR (< 20 ppm/C) Molded enclosure allows for easy PCB connection Includes 4-pin male connector that mates with a Molex type MX150 33472-4001 female connector Very low inductance (< 5 nH) Low thermal EMF (as low as < 1 V/C) Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 DESIGN TOOLS (click logo to get started) Models Available STANDARD ELECTRICAL SPECIFICATIONS POWER RATING RESISTANCE VALUE RESISTANCE VALUES WEIGHT GLOBAL TOLERANCE (1) SIZE P RANGE CURRENTLY AVAILABLE (typical) 70 C MODEL % W g 50 = 61.3, WSBM8518 8518 36 5, 10 50 to 500 50, 100, 125 100 / 125u = 59.8 WSBM8518 8518 25 5, 10 50 to 500 500 56.8 Note (1) Other values may be available, contact factory TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS 200 for 50 Temperature coefficient ppm/C 175 for 100 / 125 10 for 500 Temperature coefficient (element material) ppm/C 20 Operating temperature range C -65 to +170 Thermal EMF V/C < 1 for 50 and < 3 for 100 , 125 , 500 Inductance nH < 5 1/2 Maximum current rating A (P/R) GLOBAL PART NUMBER INFORMATION GLOBAL PART NUMBERING: WSBM8518L1000JT (WSBM8518, 0.0001 , 5 %, tray pack) W S B M 8 5 1 8 L 1 0 0 0 J T GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL (8 digits) (5 digits) (1 digit) (1 digit) (up to 2 digits) WSBM8518 L = m J = 5 % K = bulk pack (dash number) L0500 = 0.000050 K = 10 % T = tray pack from 1 to 99 as L1000 = 0.000100 applicable L1250 = 0.000125 L5000 = 0.000500 Revision: 15-Feb-17 Document Number: 31094 1 For technical questions, contact: ww2cresistors vishay.com 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 WSBM8518 www.vishay.com Vishay Dale EXTERNAL DIMENSIONS in inches millimeters 1.5 Male 4-pin connector 0.060 MX150 33482-4001 17.6 0.692 7 2X 0.276 40.5 38.1 1.594 REF 1.500 18 0.708 9 0.354 12.5 12.5 0.492 0.492 2.5 0.100 20.9 43.2 20.9 0.823 1.700 0.823 85 3.346 20 0.787 8.2 3 10.5 15 0.323 0.118 0.413 0.591 27.7 REF 1.089 Tolerances on decimals 12.7 .xxx 0.005 .x 0.1 0.499 unless otherwise listed INTERNAL DIMENSIONS in inches millimeters 1 40.1 0.2 2X 0.041 1.580 0.009 2.2 2X 0.085 7.6 0.300 9 0.356 3 0.120 0.6 2X 0.025 0.8 0.030 3.6 0.140 AB Tolerances on decimals .xxx 0.005 .x 0.1 unless otherwise listed RESISTANCE VALUE () ELEMENT MATERIAL A REF. B 0.005 0.13 50 Mn-Cu 0.423 10.74 0.135 3.43 100 Mn-Cu 0.242 6.15 0.495 12.57 125 Mn-Cu 0.197 5.00 0.585 14.86 500 Ni-Cr 0.143 3.63 0.695 17.65 Revision: 15-Feb-17 Document Number: 31094 2 For technical questions, contact: ww2cresistors vishay.com 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 8.3 0.328 35.1 0.2 1.380 0.008 6.7 10 7.6 0.263 0.394 0.300 1.2 2X 0.047 3.6 0.140 3 0.120 6.5 0.256