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 μV/°C) • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL SIZE POWER RATING P70 °C W TOLERANCE % RESISTANCE VALUE RANGE RESISTANCE VALUES CURRENTLY AVAILABLE (1) WEIGHT (typical) g/1000 pieces WSMS5515 5515 3.0 5.0 50μ to 1000μ 100μ, 160μ, 200μ, 250μ, 300μ, 500μ 7800 Note (1) Other values may be available, contact factory. TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS ppm/°C ± 325 for 100 μ, ± 225 for 160 μ, 200 μ, and 250 μ, ± 175 for 300 μ to 500 μ Operating Temperature Range °C - 65 to + 170 Maximum Current Rating A (P/R)1/2 Temperature Coefficient 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 L1000 = 0.00010 L1600 = 0.00016 L2000 = 0.00020 L2500 = 0.00025 L3000 = 0.00030 L5000 = 0.00050 J = ± 5.0 % K = Bulk pack (Dash number) (Up to 2 digits) From 1 to 99 as applicable Revision: 24-Mar-16 Document Number: 30135 1 For technical questions, contact: [email protected] 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 CALIBRATION CUT 0.142 0.724 0.488 0.156 0.079 0.079 0.142 0.079 0.138 0.295 0.056 0.590 1.575 2.165 ± 0.010 0.295 R 0.020 (2) R 0.020 (2) R 0.078 REF. (1) Ø 0.244 THRU (2) R 0.028 (4) Rated Power in % DERATING TOLERANCES ON DECIMALS XXX ± 0.005 120 100 80 60 RESISTANCE VALUE (μ) RESISTOR THICKNESS (inches) B DIMENSION (inches) ELEMENT MATERIAL 100 0.033 0.116 Mn-Cu 160 0.051 0.276 Mn-Cu 200 0.051 0.276 Mn-Cu 250 0.033 0.276 Mn-Cu 300 0.033 0.276 Mn-Cu 500 0.059 0.276 Fe-Cr 40 20 0 - 65 - 50 - 25 0 25 50 75 70 100 125 150 175 Ambient Temperature in °C PERFORMANCE TEST Thermal Shock CONDITIONS OF TEST -55 °C to +150 °C, 1000 cycles, 15 min at each extreme TEST LIMITS ± 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 g’s 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-Mar-16 Document Number: 30135 2 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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