WSBS8518 www.vishay.com Vishay Dale Power Metal Strip® Battery Shunt Resistor, Very Low Value (100 μ, 125 μ, and 250 μ) FEATURES • High power to resistor size ratio • Proprietary processing technique produces extremely low resistance values • All welded construction • Very low inductance (< 5 nH) • Low thermal EMF (< 3 μV/°C) • AEC-Q200 qualified • 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 WSBS8518 8518 36 5.0 50μ to 1000μ 100μ, 125μ, 250μ 46 300 Note (1) Other values may be available, contact factory TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS ppm/°C ± 225 Operating Temperature Range °C - 65 to + 170 Maximum Current Rating A (P/R)1/2 Temperature Coefficient GLOBAL PART NUMBER INFORMATION GLOBAL PART NUMBERING: WSBS8518L1250JK (WSBS8518, 0.000125 , ± 5 %) W S B S 8 5 1 8 L 1 2 5 0 J K GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSBS8518 L = m L1000 = 0.000100 L1250 = 0.000125 L2500 = 0.000250 J = ± 5.0 % K = Bulk pack (Dash number) (Up to 2 digits) From 1 to 99 as applicable Revision: 19-May-14 Document Number: 30134 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 WSBS8518 www.vishay.com Vishay Dale DIMENSIONS in inches (millimeters) 0.078 (2.0) 0.118 (3.0) 0.492 (12.5) 2.362 (60) 0.078 (2) x 45° CHAMFER TYP. R 0.078 (2) REF. A CALIBRATION CUT 0.354 (9.0) 0.708 ± 0.008 (18) 1/2 B Ø 0.276 (7.0) 2 PLACES VOLTAGE TEST POINTS B 3.346 ± 0.015 (85.0 ± 0.4) Rated Power in % DERATING TOLERANCES ON DECIMALS XXX ± 0.005 120 100 UNLESS OTHERWISE LISTED 80 60 RESISTANCE VALUE (μ) ELEMENT MATERIAL DIMENSION A (inches) DIMENSION B (inches) 100 Mn-Cu 0.37 0.495 ± 0.005 125 Mn-Cu 0.48 0.605 ± 0.005 250 Mn-Cu 0.90 1.025 ± 0.005 40 20 0 - 65 - 50 - 25 0 25 50 75 70 100 125 150 175 Ambient Temperature in °C 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 5 x 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: 19-May-14 Document Number: 30134 2 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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