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WSL3921 Datasheet, PDF (1/2 Pages) Vishay Siliconix – Power Metal Strip Resistors, Low Value, Surface Mount
WSL3921 and WSL5931
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, power amplifiers
• Proprietary processing technique produces extremely low
resistance values
• All welded construction
• Solid metal Iron-chrome or Manganese-copper alloy
resistive element
• Very low inductance 0.5nH to 5nH
• Excellent frequency response
• Low thermal EMF
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
POWER RATING
P70°C
W
TOLERANCE
%
WSL3921
3.0
1.0 & 5.0
WSL5931
5.0
1.0 & 5.0
• 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 pcs
281
398
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature Coefficient
ppm/°C
Operating Temperature Range
°C
Maximum Working Voltage
V
WSL RESISTOR CHARACTERISTICS
± 175 for 0.3mΩ and 0.5mΩ, ± 75 for 1mΩ to 4mΩ
- 65 / + 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
WSL3637
WSL5931
RESISTANCE VALUE
L = Milliohm
L5000 = 0.0005Ω
TOLERANCE CODE
F = ± 1.0%
J = ± 5.0%
PACKAGING CODE
EA = Lead Free, Tape/Reel
EK = Lead Free, Bulk
SPECIAL
(Dash Number)
(up to 2 digits)
From 1-99 as
applicable
www.vishay.com
206
For technical questions contact: ww2bresistors@vishay.com
Document Number: 30110
Revision: 29-Mar-05