WSHP2818 Resistors Datasheet

WSHP2818 Datasheet PDF, Equivalent


Part Number

WSHP2818

Description

Power Metal Strip Resistors

Manufacture

Vishay

Total Page 4 Pages
PDF Download
Download WSHP2818 Datasheet PDF


WSHP2818
www.vishay.com
WSHP2818
Vishay Dale
Power Metal Strip® Resistors, High Power (10 W),
Low Value (down to 0.001 ), Surface Mount
FEATURES
• Improved thermal management incorporated
into design
• All welded construction of the Power Metal Strip
resistors are ideal for all types of current
sensing, voltage division, and pulse applications
• Proprietary processing technique produces
extremely low resistance values
• Sulfur resistance by construction that is
unaffected by high sulfur environments
• Very low inductance (< 5 nH)
DESIGN SUPPORT TOOLS click logo to get started
Models
Available
Design Tools
Available
• Low thermal EMF (< 3 μV/°C)
• Solid metal nickel-chrome or manganese-copper alloy
resistive element with low TCR
(< 20 ppm/°C)
• AEC-Q200 qualified (1)
• PATENT(S): www.vishay.com/patents
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
Notes
• Follow link to Overview of Automotive Grade Products for more details: www.vishay.com/doc?49924
(1) Flame retardance test may not be applicable to some resistor technologies
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL
WSHP2818
SIZE
2818
POWER RATING
P70 °C
W
10 (1)
RESISTANCE VALUE RANGE
Tol. ± 0.5 %
Tol. ± 1.0 %
0.010 to 0.1
0.001 to 0.1
Note
(1) The WSHP2818 is rated at 10 W with maximum surface temperature of 200 °C based on 70 °C ambient temperature
WEIGHT
(typical)
g/1000 pieces
167.8
GLOBAL PART NUMBER INFORMATION
Global Part Numbering: WSHP2818R1000FEA (visit www.vishay.net Vishay Dale parts numbering manual for all options)
WS H P 2 8 1 8 R 1 0 0 0 F E A
GLOBAL MODEL
(8 digits)
WSHP2818
RESISTANCE VALUE
(5 digits)
L = m*
R = decimal
4L000 = 0.004
R0100 = 0.01
* Use “L” for resistance
values < 0.01
TOLERANCE CODE
(1 digit)
D = ± 0.5 %
F = ± 1.0 %
PACKAGING CODE (1)
(2 digits)
EA = lead (Pb)-free, tape/reel
EK = lead (Pb)-free, bulk
SPECIAL
(up to 2 digits)
(dash number)
from 1 to 99 as
applicable
Note
(1) EB (lead (Pb) free) is a non-standard packaging code designated for 1000 piece reels. The non-standard packaging code is identical to our
standard EA (lead (Pb) free), except that it has a package quantity of 1000 pieces
PATENT(S): www.vishay.com/patents
This Vishay product is protected by one or more United States and international patents.
Revision: 18-Jun-2018
1 Document Number: 30347
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

WSHP2818
www.vishay.com
WSHP2818
Vishay Dale
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
RESISTOR CHARACTERISTICS
Component temperature coefficient (including terminal) (1)
ppm/°C
± 200 (4) for 1 mto 5.99 m
± 75 (4) for 6 mto 100 m
Element TCR (2)
ppm/°C
< 20
Inductance
nH < 5
Operating temperature range
°C -65 to +170
Maximum working voltage (3)
V (P x R)1/2
Notes
(1) Component TCR - total TCR that includes the TCR effects of the resistor element and the copper terminal
(2) Element TCR - only applies to the alloy used for the resistor element; refer to item 1 in the construction illustration on the following page
(3) Maximum working voltage - the WSHP is not voltage sensitive, but is limited by power / energy dissipation and is also not ESD sensitive
(4) Typical TCR is positive, for more details contact factory
DIMENSIONS in inches (millimeters)
L
H
a
T
bl
Wa
Notes
• 3D models available: www.vishay.com/doc?30349
• Surface mount solder profile recommendations: www.vishay.com/doc?31052
MODEL
WSHP2818
RESISTANCE
RANGE
0.001 to 0.1
L
0.280 ± 0.010
(7.1 ± 0.25)
DIMENSIONS
WH
0.180 ± 0.010 0.059 ± 0.010
(4.6 ± 0.25) (1.50 ± 0.25)
T
0.125 ± 0.010
(3.18 ± 0.25)
SOLDER PAD DIMENSIONS
ab
l
0.138
(3.5)
0.200
(5.1)
0.024
(0.61)
TYPICAL SENSING LAYOUT
a
a
SENSING WITH VIA LAYOUT (best performance)
f
ae
bc
l
a
bl
d
c
abc l
abde f l
0.138
(3.51)
0.210
(5.33)
0.020
(0.51)
0.024
(0.61)
0.143
(3.63)
0.210
(5.33)
0.026
(0.66)
0.105 Ø 0.020 0.024
(2.67) (0.50) (0.61)
Note
• Sensing locations are based on the construction of the part; terminals are wrapped from the outside to underneath. These options place the
sensing location nearest the temperature stable resistance element, which minimizes contact resistance and optimizes TCR
Revision: 18-Jun-2018
2 Document Number: 30347
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


Features www.vishay.com WSHP2818 Vishay Dale Po wer Metal Strip® Resistors, High Power (10 W), Low Value (down to 0.001 ), Surface Mount FEATURES • Improved thermal management incorporated into de sign • All welded construction of th e Power Metal Strip resistors are ideal for all types of current sensing, volt age division, and pulse applications Proprietary processing technique pro duces extremely low resistance values • Sulfur resistance by construction t hat is unaffected by high sulfur enviro nments • Very low inductance (< 5 nH ) DESIGN SUPPORT TOOLS click logo to g et started Models Available Design To ols Available • Low thermal EMF (< 3 μV/°C) • Solid metal nickel-chrome or manganese-copper alloy resistive el ement with low TCR (< 20 ppm/°C) AEC-Q200 qualified (1) • PATENT(S) : www.vishay.com/patents • Material categorization: for definitions of comp liance please see www.vishay.com/doc?99 912 Notes • Follow link to Overview of Automotive Grade Products for more details: www.vis.
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