WSMS5515 www.vishay.com Vishay Dale Power Metal Strip Meter Shunt Resistor, Very Low Value (down to 0.00010 Ohms) FEATURES High power to resistor size ratio 4-terminal (Kelvin) connection design Proprietary processing technique produces extremely low resistance values All welded construction Very low inductance (< 0.5 nH) Low thermal EMF (< 3 V/C) PATENT(S): www.vishay.com/patents Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 STANDARD ELECTRICAL SPECIFICATIONS POWER RATING RESISTANCE VALUE RESISTANCE VALUES WEIGHT GLOBAL TOLERANCE (1) SIZE P RANGE CURRENTLY AVAILABLE (typical) 70 C MODEL % W g/1000 pieces 100, 160, 200, WSMS5515 5515 3.0 5.0 50 to 1000 7800 250, 300, 500 Note (1) Other values may be available, contact factory TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS 325 for 100 , 225 for 160 , 200 , and 250 , Temperature coefficient ppm/C 175 for 300 to 500 Operating temperature range C -65 to +170 1/2 Maximum current rating A (P/R) GLOBAL PART NUMBER INFORMATION GLOBAL PART NUMBERING: WSMS5515L2500JK (WSMS5515, 0.00025 , 5 %) W S M S 5 5 1 5 L 2 5 0 0 J K GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSMS5515 L = m J = 5.0 % K = bulk pack (Dash number) L1000 = 0.00010 (Up to 2 digits) L1600 = 0.00016 From 1 to 99 as L2000 = 0.00020 applicable L2500 = 0.00025 L3000 = 0.00030 L5000 = 0.00050 PATENT(S): www.vishay.com/patents This Vishay product is protected by one or more United States and International patents. Revision: 16-Mar-17 Document Number: 30135 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 WSMS5515 www.vishay.com Vishay Dale DIMENSIONS in inches 1.441 B 1.005 0.156 0.079 CALIBRATION CUT 0.724 0.142 0.079 0.142 0.488 0.079 0.138 0.295 0.056 0.590 0.295 1.575 2.165 0.010 R 0.020 (2) R 0.020 (2) R 0.078 REF. (1) 0.244 THRU (2) R 0.028 (4) DERATING TOLERANCES ON DECIMALS 120 XXX 0.005 100 80 RESISTANCE RESISTOR B ELEMENT VALUE THICKNESS DIMENSION MATERIAL 60 ( ) (inches) (inches) 100 0.033 0.116 Mn-Cu 40 160 0.051 0.276 Mn-Cu 20 200 0.051 0.276 Mn-Cu 250 0.033 0.276 Mn-Cu 0 - 65- 50 - 25 0 25 50 75 100 125 150 175 300 0.033 0.276 Mn-Cu Ambient Temperature in C 70 500 0.059 0.276 Fe-Cr 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 operation -65 C for 45 min 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: 16-Mar-17 Document Number: 30135 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 %