www.vishay.com For technical questions, contact: ww2bresistors@vishay.com Document Number: 30122
382 Revision: 15-Dec-10
WSLP
Vishay Dale
Power Metal Strip® Resistors, Very High Power (to 1 W)
Low Value (down to 0.001 Ω), Surface Mount
FEATURES
• Very high power to foot print size ratio (1 W in
1206, 0.5 W in 0805 and 0.4 W in 0603 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
0.001 Ω)
• All welded construction
• Solid metal nickel-chrome or manganese-copper alloy
resistive element with low TCR (< 20 ppm/°C)
• Very low inductance 0.5 nH to 5 nH
• Excellent frequency response to 50 MHz
• Low thermal EMF (< 3 μV/°C)
• AEC-Q200 qualified available (1)
• Compliant to RoHS Directive 2002/95/EC
Note
(1) Flame retardance test may not be applicable to some resistor
technologies
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL SIZE
POWER RATING
P70 °C
W
RESISTANCE VALUE RANGE
ΩWEIGHT
(typical)
g/1000 pieces
Tol. ± 0.5 % Tol. ± 1.0 %
WSLP0603 0603 0.4 0.015 to 0.1 0.01 to 0.1 1.9
WSLP0805 0805 0.5 0.01 to 0.05 0.01 to 0.05 4.8
WSLP1206 1206 1.0 0.01 to 0.05 0.001 to 0.05 16.2
TECHNICAL SPECIFICATIONS
PARAMETER UNIT RESISTOR CHARACTERISTICS
Temperature coefficient ppm/°C ± 275 for 1 mΩ to 2.9 mΩ, ± 150 for 3 mΩ to 4.9 mΩ
± 110 for 5 mΩ to 6.9 mΩ, ± 75 for 7 mΩ to 0.1 Ω
Operating temperature range °C - 65 to + 170
Maximum workin voltage V (P x R)1/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSLP1206R0100FEA
GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING CODE SPECIAL
WSLP0603
WSLP0805
WSLP1206
L = mΩ*
R = Decimal
4L000 = 0.004 Ω
R0100 = 0.01 Ω
* Use “L” for resistance
values < 0.01 Ω
D = ± 0.5 %
F = ± 1.0 %
EA = Lead (Pb)-free, tape/reel
EK = Lead (Pb)-free, bulk
Reserved for
future specials
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902
S L P 1 2 0 6 R 0 1 0 0 F E AW
Document Number: 30122 For technical questions, contact: ww2bresistors@vishay.com www.vishay.com
Revision: 15-Dec-10 383
WSLP
Power Metal Strip® Resistors, Very High Power (to 1 W)
Low Value (down to 0.001 Ω), Surface Mount
Vishay Dale
DIMENSIONS
DERATING
Note
• Embossed Carrier Tape per EIA-481.
MODEL
RESISTANCE
RANGE
(Ω)
DIMENSIONS in inches (millimeters) SOLDER PAD DIMENSIONS
in inches (millimeters)
LWHTabl
WSLP0603 0.01 to 0.1 0.060 ± 0.010
(1.52 ± 0.254)
0.030 ± 0.010
(0.76 ± 0.254)
0.013 ± 0.010
(0.330 ± 0.254)
0.015 ± 0.010
(0.381 ± 0.254)
0.040
(1.02)
0.040
(1.02)
0.020
(0.50)
WSLP0805 0.01 to 0.05 0.080 ± 0.010
(2.03 ± 0.254)
0.050 ± 0.010
(1.27 ± 0.254)
0.013 ± 0.010
(0.330 ± 0.254)
0.015 ± 0.010
(0.381 ± 0.254)
0.040
(1.02)
0.050
(1.27)
0.020
(0.50)
WSLP1206
0.001 to 0.0019
0.126 ± 0.010
(3.20 ± 0.254)
0.063 ± 0.010
(1.60 ± 0.254)
0.025 ± 0.010
(0.635 ± 0.254)
0.041 ± 0.010
(1.04 ± 0.254)
0.062
(1.57)
0.070
(1.78)
0.030
(0.76)
0.002 to 0.0059 0.025 ± 0.010
(0.635 ± 0.254)
0.006 to 0.050 0.020 ± 0.010
(0.508 ± 0.254)
PERFORMANCE
TEST CONDITIONS OF TEST TEST LIMITS
Thermal shock - 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme ± (0.5 % + 0.0005 Ω) ΔR
Low temperature operation - 65 °C for 45 min ± (0.5 % + 0.0005 Ω) ΔR
High temperature exposure 1000 h at + 170 °C ± (1.0 % + 0.0005 Ω) ΔR
Bias humidity + 85 °C, 85 % RH, 10 % bias, 1000 h ± (0.5 % + 0.0005 Ω) ΔR
Mechanical shock 100 g’s for 6 ms, 5 pulses ± (0.5 % + 0.0005 Ω) ΔR
Vibration Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h ± (0.5 % + 0.0005 Ω) ΔR
Load life 1000 h at 70 °C, 1.5 h “ON”, 0.5 h “OFF” ± (1.0 % + 0.0005 Ω) ΔR
Resistance to solder heat + 260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence ± (0.5 % + 0.0005 Ω) ΔR
Moisture resistance MIL-STD-202, method 106, 0 % power, 7b not required ± (0.5 % + 0.0005 Ω) ΔR
L
T
W
H
lb
a
Derating
120
100
80
60
40
20
0
- 65
Ambient Temperature in °C
Rated Power in %
70
- 50 - 25 75 0 150 100 170 125 25 50
PACKAGING
MODEL REEL
TAPE WIDTH DIAMETER PIECES/REEL CODE
WSLP0603 8 mm/punched paper 178 mm/7" 5000 EA
WSLP0805 8 mm/punched paper 178 mm/7" 5000 EA
WSLP1206 8 mm/embossed plastic 178 mm/7" 4000 EA
Document Number: 91000 www.vishay.com
Revision: 11-Mar-11 1
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