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WSH28187L000FEA

P1-P3
WSH2818
www.vishay.com
Vishay Dale
Product is End of Life May-2016 and Replaced by WSHM2818
Revision: 30-Mar-16
1
Document Number: 30120
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
Power Metal Strip
®
Resistors, High Power (5 W),
Low Value (down to 0.001 ), Surface Mount
Product Termination Notice: PCN-DR-028-2015-Rev-0
For documentation go to: www.vishay.com/quality/pcn-search/.
Enter search for resistors, Vishay Dale, and product termination.
Technical Note: WSHM / WSH Side by Side Comparison for a
Drop-In Replacement Part:
www.vishay.com/doc?30305.
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)
• Excellent frequency response to 50 MHz
• Solid metal nickel-chrome or manganese-copper alloy
resistive element with low TCR (< 20 ppm/°C)
• 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.
Note
(2)
The WSH2818 is rated at 5 W with maximum surface temperature of 200 °C.
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL SIZE
POWER RATING
P
70 °C
W
TOLERANCE
± %
RESISTANCE
VALUE RANGE
WEIGHT
(typical)
g/1000 pieces
WSH2818 2818 5
(2)
1.0 0.001 to 0.1 126
TECHNICAL SPECIFICATIONS
PARAMETER UNIT RESISTOR CHARACTERISTICS
Temperature coefficient ppm/°C
± 200 for 1 m to 5.99 m
± 75 for 6 m to 100 m
Inductance nH < 5
Operating temperature range °C -65 to +170
Maximum continuous current A (P/R)
1/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSH2818R1000FEA
GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL
WSH2818 L = m*
R = Decimal
4L000 = 0.004
R0100 = 0.01
* Use “L” for resistance
values < 0.01
F = ± 1.0 %
J = ± 5.0 %
EA = lead (Pb)-free, tape/reel
EK = lead (Pb)-free, bulk
(dash number)
(up to 2 digits)
from 1 to 99
as applicable
W S H 2 8 1 8 R 1 0 0 0 F E A
WSH2818
www.vishay.com
Vishay Dale
Product is End of Life May-2016 and Replaced by WSHM2818
Revision: 30-Mar-16
2
Document Number: 30120
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
DIMENSIONS in inches (millimeters)
DERATING
Note
• Embossed Carrier Tape per EIA-481.
MODEL
RESISTANCE
RANGE
DIMENSIONS SOLDER PAD DIMENSIONS
L W H T a b l
WSH2818
0.006 to 0.1
0.280 ± 0.010
(7.1 ± 0.25)
0.180 ± 0.010
(4.6 ± 0.25)
0.032 ± 0.010
(0.813 ± 0.25)
0.125 ± 0.010
(3.18 ± 0.25)
0.138
(3.5)
0.200
(5.1)
0.024
(0.61)
0.001 to 0.0059
0.045 ± 0.010
(1.143 ± 0.25)
PERFORMANCE
TEST CONDITIONS OF TEST TEST LIMITS
Thermal shock -55 °C to +150 °C, 1000 cycles, 15 min at each extreme ± 0.5 % R
Short time overload 4x rated power for 5 s ± 1.0 % R
Low temperature operation -65 °C for 45 min ± 0.5 % R
High temperature exposure 1000 h at +170 °C ± 1.0 % R
Bias humidity +85 °C, 85 % RH, 10 % bias, 1000 h ± 0.5 % R
Mechanical shock 100 g’s for 6 ms, 5 pulses ± 0.5 % R
Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± 0.5 % R
Load life 1000 h at 70 °C, 1.5 h “ON”, 0.5 h “OFF” ± 1.0 % R
Resistance to solder heat +260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence ± 0.5 % R
Moisture resistance MIL-STD-202, method 106, 0 % power, 7b not required ± 0.5 % R
L
W
T
H
b
a
a
l
70
120
100
80
60
40
20
0
- 65 - 50 - 25 0 25 50 75 100 125 150 170
Ambient Temperature in °C
Rated Power in %
PACKAGING
MODEL
REEL
TAPE WIDTH DIAMETER PIECES/REEL CODE
WSH2818 16 mm/embossed plastic 330 mm/13" 3500 EA
Legal Disclaimer Notice
www.vishay.com
Vishay
Revision: 08-Feb-17
1
Document Number: 91000
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
P1-P3

WSH28187L000FEA

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Buy WSH28187L000FEA
Manufacturer:
Vishay
Description:
Current Sense Resistors - SMD .007ohms 5watts 1%
Lifecycle:
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