WSR High Power www.vishay.com Vishay Dale Power Metal Strip® Resistors, Low Value (down to 0.001 ), Surface Mount FEATURES • Molded high temperature encapsulation • Improved thermal management incorporated into design • Ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instrumentation, power amplifiers • Proprietary processing technique produces extremely low resistance values (down to 0.001 ) • All welded construction • Solid metal nickel-chrome or manganesecopper alloy resistive element with low TCR (< 20 ppm/°C) • Solderable terminations • Very low inductance 0.5 nH to 5 nH • Excellent frequency response to 50 MHz • Low thermal EMF (< 3 μV/°C) • Integral heat sink not utilized for resistance values less than 0.0075 • AEC-Q200 qualified (1) • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 Notes * Lead (Pb)-containing terminations are not RoHS-compliant. Exemptions may apply. (1) Flame retardance test may not be applicable to some resistor technologies. STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL RESISTANCE VALUE RANGE Tol. ± 0.5 % Tol. ± 1.0 % 0.01 to 0.3 0.001 to 0.3 POWER RATING P70 °C W 5.0 (1) SIZE WSR5 4527 Notes • Part marking: DALE, model, value, tolerance, date code. (2) The WSR5 is rated at 5 W with terminal temperature maintained 120 °C. WEIGHT (typical) g/1000 pieces 476 TECHNICAL SPECIFICATIONS PARAMETER UNIT Temperature coefficient ppm/°C Element TCR Dielectric withstanding voltage Insulation resistance Operating temperature range Maximum working voltage ppm/°C VAC °C V WSR5 RESISTOR CHARACTERISTICS ± 75 for 0.01 to 0.3 ; ± 110 for 0.005 to 0.0099 ; ± 300 for 0.004 to 0.0049 ± 450 for 0.003 to 0.0039 ; ± 600 for 0.002 to 0.0029 ; ± 750 for 0.001 to 0.0019 < 20 > 500 > 109 - 65 to + 275 (P x R)1/2 GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSR5R0100FEA (preferred part numbering format) W S R 5 R 0 1 0 0 F E A GLOBAL MODEL VALUE TOLERANCE CODE PACKAGING SPECIAL WSR5 L = m* R = Decimal 5L000 = 0.005 R0100 = 0.01 * use “L” for resistance values < 0.01 D = ± 0.5 % F = ± 1.0 % J = ± 5.0 % EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk (Dash number) (Up to 2 digits) From 1 to 99 as applicable Revision: 18-Jan-13 TA = Tin/lead, tape/reel (R86) BA = Tin/lead, bulk (B43) Document Number: 31059 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 WSR High Power www.vishay.com Vishay Dale DIMENSIONS DIMENSIONS in inches (millimeters) MODEL H W WSR5 W1 L H T W W1 0.455 ± 0.032 0.095 ± 0.005 0.100 ± 0.010 0.275 ± 0.005 0.215 ± 0.005 (11.56 ± 0.813) (2.41 ± 0.127) (2.54 ± 0.254) (6.98 ± 0.127) (5.46 ± 0.127) T L I SOLDER PAD DIMENSIONS in inches (millimeters) MODEL b a WSR5 a b l 0.155 (3.94) 0.230 (5.84) 0.205 (5.21) Rated Power in % DERATING 120 100 80 60 40 20 0 - 65 - 25 25 75 125 70 175 225 275 Ambient Temperature °C PERFORMANCES 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 3 x rated power for 5 s ± (2.0 % + 0.0005 ) R Low temperature storage - 65 °C for 24 h ± (0.5 % + 0.0005 ) R High temperature exposure 1000 h at + 275 °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 ± (2.0 % + 0.0005 ) R Resistance to solder heat 260 ± 3 °C 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 MODEL WSR5 REEL TAPE WIDTH DIAMETER PIECES/REEL CODE 24 mm/embossed plastic 330 mm/13" 1500 EA Note • Embossed Carrier Tape per EIA-481. Revision: 18-Jan-13 Document Number: 31059 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