WFP VISHAY | Alldatasheet

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www.vishay.com Vishay Dale Revision: 26-Jan-2021 1 Document Number: 30394 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 Power Metal Plate™ Current Sense Resistors, Low Value (2 mΩ to 8 mΩ), Hybrid Mount, High Power LINKS TO ADDITIONAL RESOURCES

FEATURES

  • 3939 size package with Kelvin terminals
  • Ideal for all types of current sensing and pulse applications including switching and linear power supplies, instrume nts, power amplifiers, shunts, and high power current sensing modules
  • Proprietary processing technique produces low resistance values (2 mΩ to 8 mΩ)
  • Solid metal manganese-copper and nickel- chromium alloy resistive element with low TCR (< 30 ppm/°C)
  • Max. solder temperature up to 280 °C / 30 s or 250 °C / 5 min
  • Very low inductance < 10 nH
  • Finishes available for wire bonding, sintering, and soldering (backside); Electroless Nickel Immersion Gold (ENIG)
  • Low thermal EMF (< 2 μV/°C)
  • AEC-Q200 qualified
  • Material categorization: fo r 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 Note (1) Terminal temperature Notes
  • Resistance values available per WSL decade values ( www.vishay.com/doc?30117 (1) Packaging code: EB (lead (P b)-free) is a non-standard packaging code designating 500 piece reels. This non-standard packaging code is identical to our standard EA (lead (Pb)-free), except that it has a package quantity of 500 pieces 333DDD3 D 3D Models Available Available Available STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL SIZE POWER RATING (1) W TOLERANCE RESISTANCE VALUE RANGE Ω WEIGHT (typical) g/1000 pieces WFPA3939 3939 20 at 120 °C ± 1.0, ± 5.0 0.002 to 0.005 437 WFPB3939 3939 20 at 120 °C ± 1.0, ± 5.0 0.0051 to 0.008 437 GLOBAL PART NUMBER INFORMATION Global Part Numbering Example: WFPA39392L000FEA GLOBAL MODEL (3 digits) ELEMENT MATERIAL (1 digit) CASE SIZE (4 digits) RESISTANCE VALUE (5 digits) TOLERANCE CODE (1 digit) PACKAGING CODE (1) (2 digits) SPECIAL (2 digits) WFP A = CuMn B = NiCrAl

3939 L = mΩ*

R = decimal 2L000 = 0.002 Ω R0100 = 0.01 Ω * Use “L” for resistance values < 0.01 Ω F = ± 1.0 % J = ± 5.0 % EA = lead (Pb)-free, tape / reel EK = lead (Pb)-free, bulk Dash numbers 1 thru 99 as applicable F P A 3 9 3 9 2 L 0 0 0 F E AW

www.vishay.com Vishay Dale Revision: 26-Jan-2021 2 Document Number: 30394 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 DIMENSIONS in inches (millimeters) Note

  • Thermal resistance (°C/W): < 2.5 °C/W TECHNICAL SPECIFICATIONS PARAMETER UNIT 3939 RESISTOR CHARACTERISTICS Temperature coefficient (20 °C to 60 °C) (complete resistor) ppm/°C ± 75 Temperature coefficient (20 °C to 60 °C) (only element material) ppm/°C ± 30 Operating temperature range °C -65 to +170 Dielectric withstanding V AC 100 Maximum working voltage V ( P x R)1/2 Maximum terminal temperature °C 120 MATERIAL MIN. (μm) MAX. (μm) Backside finish Au 0.05 0.15 Ni 3.1 6.1 Top side termination Au 0.05 0.15 Ni 3.1 6.1 Cu (reference only) 50 Ni (WFMB only) < 0.01 0.279 (7.09) 0.09 (2.29)0.122 (3.10) 0.025 (0.64) 0.394 (10.01) 0.270 (6.86) 0.025 (0.64) 0.099 (2.52) 0.053 (1.36) 0.270 (6.86) 0.075 (1.90) 0.075 (1.90) 0.075 (1.90) 0.410 (10.41) 0.410 (10.41) Solder pads Bond area Bond connections 0.394 (10.01)

www.vishay.com Vishay Dale Revision: 26-Jan-2021 3 Document Number: 30394 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 DERATING Notes

  • Embossed carrier tape per EIA-481 (1) Additional packaging details at www.vishay.com/doc?20051 PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS TYPICAL PERFORMANCE ALLOY A CuMn ALLOY B NiCr Thermal shock -55 °C to +150 °C, 1000 cycles, 15 min at each extreme ± 0.5 % ± 0.65 % ± 0.1 % Short time overload 2 x rated power, 5 s ± 0.5 % ± 0.05 % ± 0.05 % Low temperature storage -55 °C fo r 45 min ± 0.1 % ± 0.1 % ± 0.1 % High temperature exposure 1000 h at +170 °C ± 1.0 % ± 0.6 % ± 0.1 % Bias humidity +85 °C, 85 % RH, 10 % power, 1000 h ± 0.5 % ± 0.2 % ± 0.1 % Mechanical shock 100 g’s for 6 ms, 5 pulses ± 0.2 % ± 0.05 % ± 0.05 % Vibration Frequency varied, 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± 0.2 % ± 0.05 % ± 0.05 % Resistance to solder heat MIL- STD-202, method 210, test condition K ± 0.3 % ± 0.2 % ± 0.05 % Moisture resistance MIL-STD-202, me thod 106, 0 % power, 7b not required ± 0.3 % ± 0.05 % ± 0.05 % PACKAGING (1) MODEL REEL TAPE WIDTH DIAMETER PIECES/REEL CODE WFPA3939 WFPB3939 16 mm / embossed plastic 330 mm / 13" 3000 EA 100 1000 10000 100 120 0 2 04 06 08 0 1 0 0 1 2 0 1 4 0 1 6 0 1 8 0 Axis Title 1st line 2nd line 2nd line Rated Power (%) Terminal Temperature (°C)

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