WSL....E
www.vishay.com
Vishay Dale
Power Metal Strip
®
Flip Chip (Extended Range)
Patents Pending
FEATURES
• SMD alternative for low power leaded
wirewound resistors
• Excellent stability in different environmental
conditions (< 0.5 % change in resistance)
• Superior overload and pulse handling capability
as compared to thin film (as much as 2 x better)
• Low TCR, down to ± 15 ppm/K
• Low noise: < 0.01 μV
RMS
/V
• Very low inductance: < 0.08 μH
• Voltage coefficient: < 0.00001 %/V (< 0.1 ppm/V)
• Compliant to RoHS Directive 2002/95/EC
Notes
*
Pb containing terminations are not RoHS compliant, exemptions may apply
**
Please see document “Vishay Material Category Policy”:
www.vishay.com/doc?99902
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
WSL1506E
WSL2010E
WSL2512E
SIZE
1506
2010
2512
POWER RATING
P
70 °C
W
0.25
0.5
1.0
LIMITING
ELEMENT
VOLTAGE
(1)
V
63
100
100
TEMPERATURE
COEFFICIENT
± ppm/K
15, 25
15, 25
15, 25
RESISTANCE VALUE RANGE
(2)
Ω
Tol. ± 0.5 %
0.5 to 10K
0.5 to 10K
0.5 to 10K
Tol. ± 1.0 %
0.5 to 10K
0.5 to 10K
0.5 to 10K
96
96
96
E-SERIES
Notes
•
Ask about further value ranges, tighter tolerances and TCR’s.
• Power rating depends on the max. temperature at the solder point, the component placement density and the substrate material.
• 4-digit marking, according to MIL-PRF-55342 (except as noted in Ordering Information table), on top side.
(1)
Rated voltage:
P
x
R
.
(2)
Contact factory using e-mail address at bottom of this page for resistance values available between 0.5 to 10 for 1506 and 0.5 to 100 for
2010 and 2512.
TECHNICAL SPECIFICATIONS
PARAMETER
Rated dissipation at 70 °C
Insulation voltage (1 min)
Thermal resistance
Insulation resistance
Operating temperature range
Weight/1000 pieces
Note
(3)
Depending on solder pad dimensions.
UNIT
W
V
DC/AC
peak
K/W
MΩ
°C
g
12
WSL1506E
0.25
200
≤
220
(3)
WSL2010E
0.5
200
≤
88
(3)
> 10
6
- 55 to + 150
25
35
WSL2512E
1.0
200
≤
65
(3)
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSL1506E10E0XEA
W
S
L
1
5
0
6
E
1
0
TCR CODE
E
0
X
E
A
SPECIAL
(Dash number)
(up to 2 digits)
From
1 to 99
as
applicable
GLOBAL MODEL
WSL1506E
RESISTANCE VALUE AND TOLERANCE
Resistance
Tolerance (±)
0.5
0.5
0.5
1.0
1.0
1.0
Multiplier
X1
X1000
X1 000 000
X1
X1000
X1 000 000
Symbol
W
X
Y
D
E
F
PACKAGING CODE
EA
= Lead (Pb)-free, tape/reel
TA
= Tape/reel (R86)
E
= ± 25 ppm/K
X
= ± 15 ppm/K
Revision: 06-Dec-11
Document Number: 20033
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
WSL....E
www.vishay.com
DIMENSIONS
in inches (millimeters)
L
T
Vishay Dale
W
I
b
d
a
D
MODEL
WSL1506
WSL2010
WSL2512
L
W
0.15 ± 0.005 0.062 ± 0.003
(3.81 ± 0.13) (1.57 ± 0.08)
0.200 ± 0.005 0.100 ± 0.003
(5.08 ± 0.13) (2.54 ± 0.08)
0.250 ± 0.005 0.126 ± 0.003
(6.35 ± 0.13) (3.20 ± 0.08)
DIMENSIONS
T
max.
0.025 (0.64)
0.025 (0.64)
0.025 (0.64)
D
d
0.012 ± 0.003 0.059 ± 0.003
(0.30 ± 0.08) (1.50 ± 0.08)
0.020 ± 0.003 0.097 ± 0.003
(0.51 ± 0.08) (2.46 ± 0.08)
0.024 ± 0.003 0.123 ± 0.003
(0.61 ± 0.08) (3.12 ± 0.08)
Temperature Rise in °C
150
125
100
SOLDER PAD DIMENSIONS
a
b
l
0.015 (0.38)
0.023 (0.58)
0.027 (0.69)
0.062 (1.57)
0.100 (2.54)
0.126 (3.20)
0.118 (3.00)
0.153 (3.89)
0.196 (4.98)
Pulse Energy in mJ
1.E+04
1.E+03
WSL2512E
WSL1506E
1.E+02
WSL1506E
75
50
WSL2010E
WSL2010E
1.E+01
WSL2512E
25
0
0
0.25
0.50
0.75
1.0
1.E+00
1.E+02
Temperature Rise
1.E+03
1.E+04
1.E+05
Power in W
Pulse Energy
Time in µs
Rated Power in %
120
100
80
60
40
20
0
Pulse Energy Plot:
This represents the energy in each of 50 pulses, with a
1 s rest between pulses, that it takes to shift the WSL....E
resistance ± (0.50 % + 0.01
Ω).
- 55
- 25
0
25
50
Derating
PERFORMANCE
TEST
Thermal shock
Short time overload
Low temperature operation
High temperature exposure
Moisture resistance
Load life
Vibration
Mechanical shock
Resistance to solder heat
CINDITIONS OF TEST
- 55 °C to + 150 °C, 100 cycles, 15 min at each extreme
5 x rated power for 5 s
- 65 °C for 24 h
1000 h at +150 °C
MIL-STD-202, method 106, 0 % power, 7a and 7b not required
1000 h at rated power, + 70 °C, 1.5 h “ON”, 0.5 h “OFF”
MIL-STD-202, method 204D
100
g’s
for 6 ms, 5 pulses
+ 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence
75
70
100
125
150 175
Ambient Temperature in °C
TEST LIMITS
± (0.20 % + 0.01
Ω)
± (0.20 % + 0.01
Ω)
± (0.20 % + 0.01
Ω)
± (0.50 % + 0.01
Ω)
± (0.50 % + 0.01
Ω)
± (0.50 % + 0.01
Ω)
± (0.10 % + 0.01
Ω)
± (0.10 % + 0.01
Ω)
± (0.50 % + 0.01
Ω)
PACKAGING
MODEL
REEL
TAPE WIDTH
12 mm/embossed plastic
12 mm/embossed plastic
12 mm/embossed plastic
DIAMETER
178 mm/7"
178 mm/7"
178 mm/7"
PIECES/REEL
4000
4000
2000
CODE
EA
EA
EA
WSL1506E
WSL2010E
WSL2512E
Note
• Embossed Carrier Tape per EIA-481.
Revision: 06-Dec-11
Document Number: 20033
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
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. 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.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000
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