WSLP3921, WSLP5931 Vishay Dale Power Metal Strip® Resistors, Very High Power (to 10 W) Low Value (Down to 0.0003 Ω), 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 0.0003 Ω • Specially selected and stabilized materials allow for high power rating (to 10 W) • All welded construction • Solid metal iron-chrome or manganese-copper alloy resistive element with low TCR (< 20 ppm/°C) • Very low inductance 0.5 nH to 5 nH • Excellent frequency response to 50 MHz • Low thermal EMF (< 3 μV/°C) • AEC-Q200 qualified available (1) • Compliant to RoHS Directive 2002/95/EC Note (1) Flame retardance test may not be applicable to some resistor technologies. STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL SIZE POWER RATING P70 °C W TOLERANCE % RESISTANCE VALUE RANGE Ω RESISTANCE VALUES CURRENTLY AVAILABLE (2) Ω WEIGHT (typical) g/1000 pieces WSLP3921 3921 5.0 1.0, 5.0 2m to 4m 2m, 3m, 4m 281 WSLP3921 3921 9.0 1.0, 5.0 0.5m to 1m 0.5m, 1m 281 WSLP5931 5931 7.0 1.0, 5.0 1m to 3m 1m, 2m, 3m 398 WSLP5931 5931 10.0 1.0, 5.0 0.3m to 0.5m 0.3m, 0.5m 398 Note (2) Other values may be available, contact factory. TECHNICAL SPECIFICATIONS PARAMETER Temperature coefficient UNIT RESISTOR CHARACTERISTICS ppm/°C ± 175 for 0.3 mΩ and 0.5 mΩ, ± 75 for 1 mΩ to 4 mΩ Operating temperature range °C - 65 to + 170 Maximum continuous current A (P/R)1/2 GLOBAL PART NUMBER INFORMATION Global Part Numbering: WSLP39212L000FEA W S L P 3 9 2 1 2 L 0 0 0 F E A GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSLP3921 WSLP5931 L = mΩ 2L000 = 0.002 Ω F = ± 1.0 % J = ± 5.0 % EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk Reserved for future specials ** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902 www.vishay.com 1 For technical questions, contact: [email protected] Document Number: 30176 Revision: 18-Nov-10 WSLP3921, WSLP5931 Power Metal Strip® Resistors, Very High Power (to 10 W) Low Value (Down to 0.0003 Ω), Surface Mount Vishay Dale DIMENSIONS H D L W T I b d WSLP3921 WSLP5931 L 0.394 ± 0.010 (10.0 ± 0.254) 0.591 ± 0.010 (15.0 ± 0.254) DIMENSIONS in inches (millimeters) W H T 0.205 ± 0.010 0.020 0.080 ± 0.010 (5.20 ± 0.254) (0.5) (2.00 ± 0.254) 0.305 ± 0.010 0.020 0.157 ± 0.010 (7.75 ± 0.254) (0.5) (4.00 ± 0.254) RESISTANCE VALUE (mΩ) “D” THICKNESS (inches) ELEMENT MATERIAL WSLP3921 0.5 0.0300 Mn-Cu WSLP3921 1.0 0.0150 Mn-Cu WSLP3921 2.0 0.0270 Fe-Cr WSLP3921 3.0 0.0170 Fe-Cr WSLP3921 4.0 0.0130 Fe-Cr WSLP5931 0.3 0.0300 Mn-Cu WSLP5931 0.5 0.0180 Mn-Cu WSLP5931 1.0 0.0330 Fe-Cr WSLP5931 2.0 0.0155 Fe-Cr WSLP5931 3.0 0.0105 Fe-Cr GLOBAL MODEL SOLDER PAD DIMENSIONS in inches (millimeters) d b l 0.106 ± 0.010 0.244 ± 0.010 0.220 ± 0.005 (2.70 ± 0.254) (6.20 ± 0.254) (5.60 ± 0.13) 0.205 ± 0.010 0.344 ± 0.010 0.220 ± 0.005 (5.20 ± 0.254) (8.75 ± 0.254) (5.60 ± 0.13) DERATING Rated Power in % MODEL 120 100 80 60 40 20 0 - 65 - 50 - 25 0 25 50 75 70 100 125 150 170 Ambient Temperature in °C PERFORMANCE TEST Thermal shock Short time overload Low temperature operation High temperature storage Bias humidity Mechanical shock Vibration Load life at 70 °C Resistance to solder heat Moisture resistance CONDITIONS OF TEST - 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme 5 x rated power for 5 s - 65 °C for 45 min 1000 h at + 170 °C + 85 °C, 85 % RH, 10 % bias, 1000 h 100 g’s for 6 ms, 5 pulses Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h 1000 h, 1.5 h “ON”, 0.5 h “OFF” 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence MIL-STD-202, method 106, 0 % power, 7b not required TEST LIMITS ± 0.5 % ΔR ± 0.5 % ΔR ± 0.5 % ΔR ± 1.0 % ΔR ± 0.5 % ΔR ± 0.5 % ΔR ± 0.5 % ΔR ± 1.0 % ΔR ± 0.5 % ΔR ± 1.0 % ΔR PACKAGING MODEL WSLP3921 WSLP5931 TAPE WIDTH 16 mm/embossed plastic 24 mm/embossed plastic REEL DIAMETER 330 mm/13" 330 mm/13" PIECES/REEL 3000 1500 CODE EA EA Note • Embossed Carrier Tape per EIA-481. 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Material Category Policy Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (EEE) - recast, unless otherwise specified as non-compliant. Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Revision: 12-Mar-12 1 Document Number: 91000