WSR2...3 www.vishay.com Vishay Dale Power Metal Strip® Resistors, Low Value, Surface Mount FEATURES • Ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instruments and power amplifiers Available • Proprietary processing technique produces extremely low resistance values down to 0.002 Available • All welded construction • Solid metal manganese-copper alloy resistive element with low TCR (< 20 ppm/°C) • Solderable terminations Available Available • Low thermal EMF (< 3 μV/°C) • Very low inductance 0.5 nH to 5 nH • Excellent frequency response to 50 MHz • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 Note * This datasheet provides information about parts that are RoHS-compliant and / or parts that are non-RoHS-compliant. For example, parts with lead (Pb) terminations are not RoHS-compliant. Please see the information / tables in this datasheet for details. STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL SIZE POWER RATING P70 °C W TOLERANCE ±% RESISTANCE VALUE RANGE WEIGHT (typical) g/1000 pieces WSR2...3 4022 3.0 1.0 0.002 to 0.005 169 TECHNICAL SPECIFICATIONS PARAMETER UNIT RESISTOR CHARACTERISTICS ppm/°C ± 175 Inductance nH <3 Operating temperature range °C -65 to +170 Maximum working voltage V (P x R)1/2 Temperature coefficient GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSR23L000FEA3 W S R 2 3 L 0 0 0 F E A 3 GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL WSR2 L = m 2L000 = 0.002 5L000 = 0.005 D = ± 0.5 % F = ± 1.0 % J = ± 5.0 % EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk 3 for special design with no mold compound TA = Tin/lead, tape/reel (R86) BA = Tin/lead bulk (B43) Revision: 19-Jan-15 Document Number: 30133 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 WSR2...3 www.vishay.com Vishay Dale DIMENSIONS in inches (millimeters) H D L W T Typical current sensing traces I b d DIMENSIONS MODEL WSR2...3 SOLDER PAD DIMENSIONS L W H T a b l 0.400 ± 0.010 (10.16 ± 0.254) 0.215 ± 0.010 (5.46 ± 0.254) 0.029 ± 0.005 (0.737 ± 0.127) 0.075 ± 0.010 (1.91 ± 0.254) 0.100 (2.540) 0.235 (5.969) 0.240 (5.080) Note (1) 0.1" x 0.1" area in the center of the resistor will be flat and free of any trim cuts to facilitate pick and place nozzle. Rated Power in % 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 5x rated power for 5 s (± 1.0 % + 0.0005 ) R Low temperature operation -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 g’s 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 70 °C, 1.5 h “ON”, 0.5 h “OFF” (± 2.0 % + 0.0005 ) R PACKAGING MODEL WSR2...3 REEL TAPE WIDTH DIAMETER PIECES/REEL CODE 16 mm/embossed plastic 330 mm/13" 5000 EA Note • Embossed Carrier Tape per EIA-481. Revision: 19-Jan-15 Document Number: 30133 2 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 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. 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Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000