WSHM2818_15 Datasheet, PDF (1/3 Pages) Vishay Siliconix – Power Metal Strip® Resistors, High Power (7 W) Low Value (down to 0.001 ), Surface Mount

www.vishay.com
WSHM2818
Vishay Dale
Power Metal Strip^® Resistors, High Power (7 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⁾
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
Note
(1) _{Flame retardance test may not be applicable to some resistor}
technologies.
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL
SIZE
POWER RATING
P_{70 °C}
W
WSHM2818
2818
7 ⁽²⁾
RESISTANCE VALUE RANGE

Tol. ± 0.5 %
Tol. ± 1.0 %
0.010 to 0.1
0.001 to 0.1
Note
(2) _{The WSHM2818 is rated at 7 W with maximum surface temperature of 180 °C.}
WEIGHT
(typical)
g/1000 pieces
167.8
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: WSHM2818R1000FEA
WS HM 2 8 1 8 R 1 0 0 0 F E A
GLOBAL MODEL
WSHM2818
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
Revision: 07-Apr-15
1
Document Number: 30188
For technical questions, contact: [e-mail]
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