WSBS851840 www.vishay.com Vishay Dale Power Metal Strip Shunt Resistor With Three Sense Pins, Very Low Value (50 , 100 , and 125 ) FEATURES High power to resistor size ratio Sense pins allow for consistent contact location Proprietary processing technique produces extremely low resistance values Welded terminal to element construction Solid metal manganese-copper alloy resistive element with low TCR (< 20 ppm/C) Very low inductance (< 5 nH) Low thermal EMF (< 1 V/C available) Material categorization: for definitions of compliance DESIGN TOOLS (click logo to get started) please see www.vishay.com/doc 99912 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 = 38.6, WSBS8518...40 8518 36 5, 10 50 to 1000 50, 100, 125 100 / 125u = 37.1 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 Temperature coefficient (element material) ppm/C 20 Thermal EMF V/C < 1 for 50 and < 3 for 100 , 125 Inductance nH < 5 Operating temperature range C -65 to +170 1/2 Maximum current rating A (P/R) GLOBAL PART NUMBER INFORMATION GLOBAL PART NUMBERING: WSBS8518L1000JT40 (WSBS8518...40, 0.000100 , 5 %, tray pack) W S B S 8 5 1 8 L 1 0 0 0 J T 4 0 GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSBS8518 L = m J = 5 % K = bulk pack 40 = three sense L0500 = 0.000050 K = 10 % T = tray pack pins attached L1000 = 0.000100 L1250 = 0.000125 Revision: 24-Feb-17 Document Number: 30350 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 WSBS851840 www.vishay.com Vishay Dale DIMENSIONS in inches (millimeters) (1) RESISTANCE ELEMENT A B C D VALUE ( ) MATERIAL REFERENCE 0.005 0.13 0.005 0.13 0.002 0.05 50 Mn-Cu 0.145 3.68 0.135 3.43 0.220 5.59 0.079 2.00 100 Mn-Cu 0.370 9.40 0.495 12.57 0.220 5.59 0.079 2.00 125 Mn-Cu 0.480 12.19 0.585 14.86 0.220 5.59 0.079 2.00 Note (1) Minimum pull strength of 200 N DERATING TOLERANCES ON DECIMALS 120 .xxx 0.005 .x 0.1 100 UNLESS OTHERWISE LISTED 80 60 40 20 0 - 65- 50 - 25 0 25 50 75 100 125 150 175 Ambient Temperature in C 70 PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal shock -55 C to +150 C, 1000 cycles, 15 min at each extreme 0.5 % R Short time overload 5x rated power for 5 s 0.5 % R Low temperature storage -65 C for 24 h 0.5 % R High temperature exposure 1000 h at +170 C 1.0 % R Bias humidity +85 C, 85 % RH, 10 % bias, 1000 h 0.5 % R Mechanical shock 100 gs for 6 ms, 5 pulses 0.5 % R Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h 0.5 % R Load life 1000 h at +70 C, 1.5 h ON, 0.5 h OFF 1.0 % R Moisture resistance MIL-STD-202, method 106, 0 % power, 7b not required 0.5 % R Revision: 24-Feb-17 Document Number: 30350 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 Rated Power in %