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 • All welded construction of the Power Metal Strip® resistors are ideal for all types of current Available sensing, voltage division and pulse applications • Proprietary processing technique produces extremely low resistance values (down to 0.001 ) Available • Sulfur resistance by construction that is unaffected by high sulfur environments Available • Solid metal nickel-chrome or manganese- copper alloy resistive element with low TCR Available (< 20 ppm/°C) • Very low inductance 0.5 nH to 5 nH DESIGN SUPPORT TOOLS click logo to get started • Low thermal EMF (< 3 μV/°C) • Integral heat sink not utilized for resistance values less than 0.0075  Models Design Tools • AEC-Q200 qualified (1) Available Available • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 Notes * 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 • Follow link to Overview of Automotive Grade Products for more details: www.vishay.com/doc?49924 (1)Flame retardance test may not be applicable to some resistor technologies STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE VALUE RANGE POWER RATING WEIGHT GLOBAL  SIZE P (typical) MODEL 70 °C W g/1000 pieces Tol. ± 0.5 % Tol. ± 1.0 % WSR5 4527 5.0 (1) 0.01 to 0.3 0.001 to 0.3 476 Notes • Part marking: DALE, model, value, tolerance, date code (1) The WSR5 is rated at 5 W with terminal temperature maintained  120 °C GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSR5R0100FEA (preferred part numbering format) (visit www.vishay.net Vishay Dale parts numbering manual for all options) W S R 5 R 0 1 0 0 F E A GLOBAL MODEL RESISTANCE VALUE (1) TOLERANCE CODE PACKAGING CODE (2) SPECIAL (3) WSR5 L = m* D = ± 0.5 % EA = lead (Pb)-free, tape / reel (dash number) R = decimal F = ± 1.0 % EK = lead (Pb)-free, bulk (up to 2 digits) 5L000 = 0.005  J = ± 5.0 % from 1 to 99 as R0100 = 0.01  TA = tin / lead, tape / reel (R86) applicable * use “L” for resistance BA = tin / lead, bulk (B43) values < 0.01  Notes (1) WSR Marking (www.vishay.com/doc?30327) (2) Packaging code: EB (lead (Pb)-free) and TB (tin / lead) are non-standard packaging codes designating 1000 piece reels. These non-standard packaging codes are identical to our standard EA (lead (Pb)-free) and TA (tin / lead), except that they have a package quantity of 1000 pieces (3) Follow link for customization capabilities: www.vishay.com/doc?48163 Revision: 11-Jul-2018 1 Document Number: 31059 For technical questions, contact: ww2bresistors@vishay.com 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 TECHNICAL SPECIFICATIONS PARAMETER UNIT WSR5 RESISTOR CHARACTERISTICS ± 75 for 0.01  to 0.3 ; ± 110 for 0.005  to 0.0099 ; Temperature coefficient ppm/°C ± 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  Element TCR ppm/°C < 20 Dielectric withstanding voltage V > 500 AC Insulation resistance  > 109 Operating temperature range °C -65 to +275 Maximum working voltage V (P x R)1/2 DIMENSIONS in inches (millimeters) W H I b W1 T a L Notes • 3D models available: www.vishay.com/doc?30342 • Surface mount solder profile recommendations: www.vishay.com/doc?31052 DIMENSIONS SOLDER PAD DIMENSIONS MODEL L H T W W a b l 1 0.455 ± 0.032 0.095 ± 0.005 0.100 ± 0.010 0.275 ± 0.005 0.215 ± 0.005 0.155 0.230 0.205 WSR5 (11.56 ± 0.813) (2.41 ± 0.127) (2.54 ± 0.254) (6.98 ± 0.127) (5.46 ± 0.127) (3.94) (5.84) (5.21) Note • Sensing locations are based on the construction of the part; terminals are wrapped from the outside to underneath. These options place the sensing location nearest the temperature stable resistance element, which minimizes contact resistance and optimizes TCR TYPICAL SENSING LAYOUT a a b c l c a b c l 0.155 0.230 0.020 0.205 (3.94) (5.84) (0.51) (5.21) Revision: 11-Jul-2018 2 Document Number: 31059 For technical questions, contact: ww2bresistors@vishay.com 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 DERATING PULSE CAPABILITY % 120 n Power i 100 click to get started OO N LLLLL YY ed 80 S EE SS Rat RR PP O 60 P U E V 40 AAA TI R T S 20 LL U LL II 0 - 65 - 25 25 75 125 175 225 275 Ambient Temperature °C 70 www.vishay.com/resistors/power-metal-strip-calculator PERFORMANCES TEST CONDITIONS OF TEST TEST LIMITS Thermal shock -55 °C to +150 °C, 1000 cycles, 15 min at each extreme ± 0.5 % Short time overload 3x rated power for 5 s ± 2.0 % Low temperature storage -65 °C for 24 h ± 0.5 % High temperature exposure 1000 h at + 275 °C ± 1.0 % Bias humidity +85 °C, 85 % RH, 10 % bias, 1000 h ± 0.5 % Mechanical shock 100 g’s for 6 ms, 5 pulses ± 0.5 % Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± 0.5 % Load life 1000 h at 70 °C ± 2.0 % Resistance to solder heat 260 ± 3 °C 10 s to 12 s dwell, 25 mm/s emergence ± 0.5 % Moisture resistance MIL-STD-202, method 106, 0 % power, 7a and 7b not required ± 0.5 % PACKAGING (1) REEL MODEL TAPE WIDTH DIAMETER PIECES/REEL CODE WSR5 24 mm/embossed plastic 330 mm/13" 1500 EA Notes • Embossed Carrier Tape per EIA-481 (1) Additional packaging details at www.vishay.com/doc?20051 Revision: 11-Jul-2018 3 Document Number: 31059 For technical questions, contact: ww2bresistors@vishay.com 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

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