WSL...18 High Power Vishay Dale Power Metal Strip Resistors, High Power (2 x Standard WSL), Low Value (Down to 0.001 ), Surface Mount FEATURES Ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instruments, power amplifiers Proprietary processing technique produces extremely low resistance values (down to 0.001 ) Specially selected and stabilized materials allow for high power ratings (2 x standard WSL rating) All welded construction Solderable terminations Very low inductance 0.5 nH to 5 nH Solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (< 20 ppm/C) Excellent frequency response to 50 MHz Low thermal EMF (< 3 V/C) AEC-Q200 qualified available Compliant to RoHS Directive 2002/95/EC STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE VALUE RANGE POWER RATING WEIGHT GLOBAL SIZE P (typical) 70 C MODEL W g/1000 pieces Tol. 0.5 % Tol. 1.0 % WSL0603...18 0603 0.20 0.01 to 0.1 0.01 to 0.1 1.9 WSL0805...18 0805 0.25 0.005 to 0.2 0.005 to 0.2 4.8 WSL1206...18 1206 0.5 0.005 to 0.2 0.001 to 0.2 16.2 WSL2010...18 2010 1.0 0.004 to 0.5 0.001 to 0.5 38.9 WSL2512...18 2512 2.0 0.003 to 0.04 0.001 to 0.04 63.6 Note Part marking: Value tolerance: Due to resistor size limitations some resistors will be marked with only the resistance value. TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS 275 for 1 m to 2.9 m , 150 for 3 m to 4.9 m Temperature coefficient ppm/C 110 for 5 m to 6.9 m , 75 for 7 m to 0.5 Operating temperature range C - 65 to + 170 1/2 Maximum working voltage V (P x R) GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSL25124L000FTA18 WS L2 5 1 2 4L0 0 0FAT 1 8 GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSL0603 L = m * D = 0.5 % EA = Lead (Pb)-free, tape/reel 18 = WSL0805 R = Decimal F = 1.0 % EK = Lead (Pb)-free, bulk High power WSL1206 5L000 = 0.005 J = 5.0 % option TA = Tin/lead, tape/reel (R86) WSL2010 R0100 = 0.01 TG = Tin/lead, tape/reel (RT1, for WSL0603 and WSL0805) WSL2512 BA = Tin/lead, bulk (B43) * Use L for resistance values < 0.01 Historical Part Numbering example: WSL2512-18 0.004 1 % R86 WSL2512-18 0.004 1 % R86 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE * Pb containing terminations are not RoHS compliant, exemptions may apply ** Please see document Vishay Material Category Policy: www.vishay.com/doc 99902 www.vishay.com For technical questions, contact: ww2bresistors vishay.com Document Number: 31057 408 Revision: 06-Apr-11 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 WSL...18 High Power Power Metal Strip Resistors, High Power (2 x Standard WSL), Vishay Dale Low Value (Down to 0.001 ), Surface Mount DIMENSIONS in inches (millimeters) H l b W a T L DIMENSIONS SOLDER PAD DIMENSIONS RESISTANCE MODEL RANGE () LW H T a b l 0.060 0.010 0.030 0.010 0.013 0.010 0.015 0.005 0.040 0.040 0.020 WSL0603...18 0.01 to 0.1 (1.52 0.254) (0.76 0.254) (0.330 0.254) (0.381 0.127) (1.01) (1.01) (0.50) 0.080 0.010 0.050 0.010 0.013 0.010 0.015 0.005 0.040 0.050 0.020 WSL0805...18 0.005 to 0.2 (2.03 0.254) (1.27 0.254) (0.330 0.254) (0.381 0.127) (1.02) (1.27) (0.50) 0.041 0.010 0.001 to 0.0019 (1.04 0.254) 0.126 0.010 0.063 0.010 0.025 0.010 0.025 0.010 0.062 0.070 0.030 WSL1206...18 0.002 to 0.0059 (3.20 0.254) (1.60 0.254) (0.635 0.254) (0.635 0.254) (1.57) (1.78) (0.76) 0.020 0.010 0.006 to 0.20 (0.508 0.254) 0.058 0.010 0.093 0.120 0.055 0.001 to 0.0069 (1.47 0.254) (2.36) (3.05) (1.40) 0.200 0.010 0.100 0.010 0.025 0.010 WSL2010...18 (5.08 0.254) (2.54 0.254) (0.635 0.254) 0.020 0.010 0.055 0.120 0.130 0.007 to 0.5 (0.508 0.254) (1.40) (3.05) (3.30) 0.087 0.010 0.120 0.050 0.001 to 0.0049 (2.21 0.254) (3.05) (1.27) 0.250 0.010 0.125 0.010 0.025 0.010 0.047 0.010 0.083 0.145 0.125 WSL2512...18 0.005 to 0.0069 (6.35 0.254) (3.18 0.254) (0.635 0.254) (1.19 0.254) (2.11) (3.68) (3.18) 0.030 0.010 0.065 0.160 0.007 to 0.04 (0.762 0.254) (1.65) (4.06) DERATING 120 100 80 60 40 20 0 - 65 - 50 - 25 0 25 50 75 100 125 150 170 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 % + 0.0005 ) R Short time overload 5 x rated power for 5 s (0.5 % + 0.0005 ) R Low temperature storage - 65 C for 24 h (0.5 % + 0.0005 ) R High temperature exposure 1000 h at + 170 C (1.0 % + 0.0005 ) R Bias humidity + 85 C, 85 % RH, 10 % bias, 1000 h (0.5 % + 0.0005 ) R Mechanical shock 100 gs for 6 ms, 5 pulses (0.5 % + 0.0005 ) R Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h (0.5 % + 0.0005 ) R Load life 1000 h at rated power, + 70 C, 1.5 h ON, 0.5 h OFF (1.0 % + 0.0005 ) R Resistance to solder heat + 260 C solder, 10 s to 12 s dwell, 25 mm/s emergence (0.5 % + 0.0005 ) R Moisture resistance MIL-STD-202, method 106, 0 % power, 7a and 7b not required (0.5 % + 0.0005 ) R PACKAGING REEL MODEL TAPE WIDTH DIAMETER PIECES/REEL CODE WSL0603...18 8 mm/punched paper 178 mm/7 5000 EA WSL0805...18 8 mm/punched paper 178 mm/7 5000 EA WSL1206...18 8 mm/embossed plastic 178 mm/7 4000 EA WSL2010...18 12 mm/embossed plastic 178 mm/7 4000 EA WSL2512...18 12 mm/embossed plastic 178 mm/7 2000 EA Note Embossed Carrier Tape per EIA-481. Document Number: 31057 For technical questions, contact: ww2bresistors vishay.com www.vishay.com Revision: 06-Apr-11 409 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 %