WSL3921_07 Datasheet, PDF (1/3 Pages) Vishay Siliconix – Power Metal Strip® Resistors, Low Value (down to 0.0002 Ω), Surface Mount

WSL3921 and WSL5931
Vishay Dale
Power Metal Strip^® Resistors,
Low Value (down to 0.0002 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
RoHS
COMPLIANT
• Proprietary processing technique produces extremely low
resistance values, down to 0.0002 Ω
• 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)
• 100 % lead (Pb)-free and RoHS compliant
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
POWER RATING
P_{70 °C}
W
TOLERANCE
%
WSL3921
3.0
1.0 and 5.0
WSL5931
5.0
1.0 and 5.0
Note
• Part Marking: no part marking on these parts
RESISTANCE VALUES
AVAILABLE
mΩ
0.3, 0.5, 1, 2, 3, 4
0.2, 0.3, 0.5, 1, 2, 3
WEIGHT
(typical)
g/1000 pieces
281
398
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature Coefficient
ppm/°C
Operating Temperature Range
°C
Maximum Working Voltage
V
WSL RESISTOR CHARACTERISTICS
± 225 for 0.2 mΩ, ± 175 for 0.3 mΩ and 0.5 mΩ, ± 75 for 1 mΩ to 4 mΩ
- 65 to + 170
(P x R)^1/2
GLOBAL PART NUMBER INFORMATION
GLOBAL PART NUMBERING: WSL3921L5000FEA
W S L 39 2 1 L 5 0 0 0 F E A
GLOBAL MODEL
WSL3921
WSL5931
RESISTANCE VALUE
L = mΩ
L5000 = 0.0005 Ω
TOLERANCE CODE
F = ± 1.0 %
J = ± 5.0 %
PACKAGING CODE
EA = Lead (Pb)-free, tape/reel
EK = Lead (Pb)-free, bulk
SPECIAL
(Dash Number)
(up to 2 digits)
From 1 - 99 as
applicable
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For technical questions, contact: [e-mail]
Document Number: 30110
Revision: 29-Mar-07