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WSH2818_13 Datasheet, PDF (1/3 Pages) Vishay Siliconix – Power Metal Strip® Resistors, High Power (5 W) Low Value (down to 0.001 ), Surface Mount
WSH2818
Vishay Dale
Power Metal Strip® Resistors, High Power (5 W)
Low Value (down to 0.001 ), Surface Mount
FEATURES
• Improved thermal management incorporated
into design
• Ideal for all types of current sensing, voltage
division and pulse applications including
switching and linear power supplies,
instruments, power amplifier
• Proprietary processing technique produces
extremely low resistance values
• All welded construction
• Very low inductance (< 5 nH)
• Solid metal nickel-chrome or manganese-copper alloy
resistive element with low TCR (< 20 ppm/°C)
• Excellent frequency response to 50 MHz
• Low thermal EMF (< 3 μV/°C)
• AEC-Q200 qualified (1)
• Compliant to RoHS Directive 2002/95/EC
Note
(1) Flame retardance test may not be applicable to some resistor
technologies.
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL
SIZE
POWER RATING
P70 °C
W
TOLERANCE
±%
WSH2818
2818
5 (2)
1.0
Note
(2) The WSH2818 is rated at 5 W with maximum surface temperature of 200 °C.
RESISTANCE
VALUE RANGE

0.001 to 0.1
WEIGHT
(typical)
g/1000 pieces
126
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature coefficient
ppm/°C
Inductance
nH
Operating temperature range
°C
Maximum continuous current
A
RESISTOR CHARACTERISTICS
± 200 for 1 m to 5.99 m
± 75 for 6 m to 100 m
<5
- 65 to + 170
(P/R)1/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSH2818R1000FEA
WS H 2 8 1 8 R 1 0 0 0 F E A
GLOBAL MODEL
WSH2818
RESISTANCE VALUE
L = m*
R = Decimal
4L000 = 0.004 
R0100 = 0.01 
* Use “L” for resistance
values < 0.01 
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 to 99
as applicable
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902
www.vishay.com
430
For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30120
Revision: 08-Dec-10