WSLP2512
www.vishay.com
Vishay Dale
Power Metal Strip
®
Resistors, Very High Power (3 W)
Low Value (down to 0.0005
),
Surface Mount
FEATURES
• Very high power to foot print size ratio (3 W in
2512 package)
• Ideal for all types of current sensing and pulse
applications including switching and linear
power supplies, instruments, power amplifiers
and shunts
• Proprietary processing technique produces
extremely low resistance values (down to
0.0005
)
• All welded construction
• Solid metal nickel-chrome or manganese-copper
alloy resistive element with low TCR (< 20 ppm/°C
over temperature range of 20 °C to 60 °C)
• Very low inductance 0.5 nH to 5 nH
• Excellent frequency response to 50 MHz
• Low thermal EMF (< 3 μV/°C)
• Compliant to RoHS Directive 2002/95/EC
• AEC-Q200 qualified available
(1)
Note
(1)
Flame retardance test may not be applicable to some resistor
technologies.
Note
**
Please see document “Vishay Material Category Policy”:
www.vishay.com/doc?99902
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
WSLP2512
SIZE
2512
POWER RATING
P
70 °C
W
3.0
RESISTANCE VALUE RANGE
TOL. ± 0.5 %
0.003 to 0.01
TOL. ± 1.0 %
0.0005 to 0.01
WEIGHT
(typical)
g/1000 pieces
63.6
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature coefficient
Operating temperature range
Maximum workin voltage
UNIT
ppm/°C
°C
V
RESISTOR CHARACTERISTICS
± 275 for 1 m to 2.9 m, ± 150 for 3 m to 4.9 m
± 110 for 5 m to 9.9 m, ± 75 for 10 m
- 65 to + 170
(P x
R)
1/2
GLOBAL PART NUMBER INFORMATION
GLOBAL PART NUMBERING EXAMPLE: WSLP25125L000FEA
W
S
L
P
2
5
1
2
5
L
0
0
0
F
E
A
SPECIAL
Reserved for
future specials
GLOBAL MODEL
WSLP2512
RESISTANCE VALUE
L
= m*
R
= Decimal
L5000
= 0.0005
5L000
= 0.005
R0100
= 0.01
* Use “L” for resistance
values < 0.01
TOLERANCE CODE
D
= ± 0.5 %
F
= ± 1.0 %
PACKAGING CODE
EA
= Lead (Pb)-free, tape/reel
EK
= Lead (Pb)-free, bulk
Revision: 09-Nov-11
Document Number: 30182
1
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
WSLP2512
www.vishay.com
DIMENSIONS
H
l
W
T
L
a
b
Vishay Dale
MODEL
RESISTANCE
RANGE
()
0.0005 to 0.00099
0.001 to 0.0049
DIMENSIONS
in inches (millimeters)
L
W
H
T
0.107 ± 0.010
(2.72 ± 0.254)
0.250 ± 0.010
(6.35 ± 0.254)
0.125 ± 0.010
(3.18 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
0.087 ± 0.010
(2.21 ± 0.254)
0.047 ± 0.010
(1.19 ± 0.254)
0.030 ± 0.010
(0.762 ± 0.254)
SOLDER PAD DIMENSIONS
in inches (millimeters)
a
0.120
(3.05)
0.083
(2.11)
0.065
(1.65)
0.145
(3.68)
b
l
0.050
(1.27)
0.125
(3.18)
0.160
(4.06)
WSLP2512
0.005 to 0.0069
0.006 to 0.01
DERATING
Rated Power in %
120
100
80
60
40
20
0
- 65 - 50
- 25
0
25
50
75
100
125
150
170
Derating
PERFORMANCE
TEST
Thermal shock
Low temperature operation
High temperature exposure
Bias humidity
Mechanical shock
Vibration
Load life
Resistance to solder heat
Moisture resistance
- 65 °C for 45 min
1000 h at + 170 °C
+ 85 °C, 85 % RH, 10 % bias, 1000 h
100
g’s
for 6 ms, 5 pulses
70 Ambient Temperature in °C
CONDITIONS OF TEST
- 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme
TEST LIMITS
± (0.5 % + 0.0005
) R
± (0.5 % + 0.0005
) R
± (1.0 % + 0.0005
) R
± (0.5 % + 0.0005
) R
± (0.5 % + 0.0005
) R
± (0.5 % + 0.0005
) R
± (1.0 % + 0.0005
) R
± (0.5 % + 0.0005
) R
± (0.5 % + 0.0005
) R
Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h
1000 h at 70 °C, 1.5 h “ON”, 0.5 h “OFF”
+ 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence
MIL-STD-202, method 106, 0 % power, 7b not required
PACKAGING
MODEL
WSLP2512
Note
• Embossed Carrier Tape per EIA-481.
Revision: 09-Nov-11
Document Number: 30182
2
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
REEL
TAPE WIDTH
12 mm/embossed plastic
DIAMETER
178 mm/7"
PIECES/REEL
2000
CODE
EA
Legal Disclaimer Notice
www.vishay.com
Vishay
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 and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. 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.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Revision: 12-Mar-12
1
Document Number: 91000
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