WSL, Wide Terminal
www.vishay.com
Vishay Dale
Power Metal Strip® Resistors, Wide Terminal,
Low Inductance (< 1 nH), Surface-Mount
FEATURES
• Wide side terminal construction that yields high
power to foot print size ratio (2 W in 1020 and
1 W in 0612 package)
• All welded construction of the Power Metal
Strip® resistors are ideal for all types of current
sensing, voltage division and pulse applications
Available
Available
• Proprietary processing technique produces low
resistance values (down to 0.00075 )
Available
• Sulfur resistance by construction that is
unaffected by high sulfur environments
• Very low inductance < 1 nH
• AEC-Q200 qualified (1)
3D 3D
3D Models
Available
• Low thermal EMF (< 3 μV/°C)
LINKS TO ADDITIONAL RESOURCES
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
Design Tools
Notes
* This datasheet provides information about parts that are RoHS-compliant and / or parts that are non-RoHS-compliant. For example, parts
with lead (Pb) terminations are not RoHS-compliant. Please see the information / tables in this datasheet for details
• 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
SIZE
POWER RATING
P70 °C
W
TOLERANCE
±%
RESISTANCE
VALUE RANGE
WEIGHT
(typical)
g/1000 pieces
WSL0612
0612
1.0
1.0, 5.0
0.75m to 5m
8.5
WSL1020
1020
2.0
0.5, 1.0, 5.0
1m to 6m
38.74
GLOBAL PART NUMBER INFORMATION
Global Part Numbering Example: WSL10206L000FEA (visit www.vishay.net Vishay Dale parts numbering manual for all options)
W
S
L
1
0
2
0
6
L
0
0
0
F
E
A
GLOBAL MODEL
(7 digits)
RESISTANCE VALUE (1)
(5 digits)
TOLERANCE CODE
(1 digit)
PACKAGING CODE (2)
(2 digits)
SPECIAL (3)
(up to 2 digits)
WSL0612
WSL1020
L = m*
1L000 = 0.001
2L000 = 0.002
3L000 = 0.003
4L000 = 0.004
5L000 = 0.005
6L000 = 0.006
* Use “L” for resistance
values < 0.01
D = ± 0.5 %
F = ± 1.0 %
J = ± 5.0 %
EA = lead (Pb)-free, tape / reel
(dash number)
From 1 to 99 as
applicable
Notes
(1) WSL marking (www.vishay.com/doc?30327); WSL decade values (www.vishay.com/doc?30117)
(2) 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
(3) Follow link for customization capabilities: www.vishay.com/doc?48163
Revision: 30-Mar-2020
Document Number: 30183
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, Wide Terminal
www.vishay.com
Vishay Dale
TECHNICAL SPECIFICATIONS
PARAMETER
RESISTOR CHARACTERISTICS
WSL0612
WSL1020
UNIT
+250 (4) for 0.75 mand 1.9 m
Component temperature coefficient
(including terminal) (1)
ppm/°C
Element TCR (2)
ppm/°C
< 20
Operating temperature range
°C
-65 to +170
Maximum working voltage (3)
V
(P x R)1/2
< 50
+150 (4) for 2 m to 6 m
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 WSL 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
WELDED CONSTRUCTION
T
1
H
4
L
2
5
W
a
3
1 Resistive element: nickel-chrome or
manganese-copper alloy with low TCR (< 20 ppm/°C)
2 Terminal: solid copper with 100 % Sn finish
100 % Sn (100 μ" min.) with 100 % Ni (20 μ" min.)
under layer finish
3 Terminal / element weld (electron beam weld)
4 High temperature encapsulant:
“siliconized polyester”
coating material
b
c
Typical sensing traces
5 Laser calibration
Notes
• 3D models available: www.vishay.com/doc?30348
• Surface mount solder profile recommendations: www.vishay.com/doc?31052
MODEL
DIMENSIONS in inches (millimeters)
W
H
L
T
WSL0612
0.120 ± 0.005
(3.05 ± 0.127)
0.060 ± 0.005
(1.50 ± 0.127)
0.018 ± 0.010
(0.457 ± 0.254)
0.015 ± 0.010
(0.381 ± 0.254)
WSL1020
0.200 ± 0.005
(5.08 ± 0.127)
0.100 ± 0.005
(2.54 ± 0.127)
0.025 ± 0.005
(0.635 ± 0.127)
0.022 ± 0.008
(0.558 ± 0.203)
MODEL
a
WSL0612
0.030
(0.76)
WSL1020
0.039
(1.00)
Revision: 30-Mar-2020
SOLDER PAD DIMENSIONS in inches (millimeters)
b
0.078
(1.98)
0.138
(3.50)
c
0.134
(3.40)
0.222
(5.65)
Document Number: 30183
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
WSL, Wide Terminal
www.vishay.com
Vishay Dale
120
Rated Power in %
Rated Power in %
DERATING
100
80
60
100
Stability < 1 %
80
60
Stability < 0.5 %
40
40
20
0
-65 -55
120
20
-25
0
25
50
0
75 100 125 150 170
70 Ambient Temperature in °C
0
20
40
60
80
100 120 140 160 180
Terminal Temperture TK in °C
PULSE CAPABILITY
click to get started
VE
TI
A
R
ST
U
ILL
ES
OS
P
R
PU
LY
ON
www.vishay.com/resistors/power-metal-strip-calculator
PERFORMANCE
TEST
CONDITIONS OF TEST
TEST LIMITS
Thermal shock
-55 °C to +150 °C, 1000 cycles, 15 min at each extreme
± 0.5 %
Low temperature operation
-65 °C for 24 h
± 0.5 %
High temperature exposure
1000 h at +170 °C
± 1.0 %
Bias humidity
+85 °C, 85 % RH, 10 % bias, 1000 h
± 0.5 %
Mechanical shock
100 g’s for 6 ms, 5 pulses
± 0.5 %
Vibration
Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h
± 0.5 %
Load life
1000 h at 70 °C, 1.5 h “ON”, 0.5 h “OFF”
± 1.0 %
Resistance to solder heat
+260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence
± 0.5 %
Moisture resistance
MIL-STD-202, method 106, 0 % power, 7b not required
± 0.5 %
PACKAGING
REEL
MODEL
TAPE WIDTH
DIAMETER
PIECES/REEL
CODE
WSL0612
8 mm / embossed plastic
178 mm / 7"
4000
EA
WSL1020
12 mm / embossed plastic
178 mm / 7"
4000
EA
Notes
• Embossed carrier tape per EIA-481-2
(1) Additional packaging details at www.vishay.com/doc?20051
Revision: 30-Mar-2020
Document Number: 30183
3
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
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Revision: 09-Jul-2021
1
Document Number: 91000