WSL
Vishay Dale
www.vishay.com
92
Document Number 30100
Revision 17-Dec-03
For technical questions, contact ww2bresistors@vishay.com
PARAMETER UNIT WSL0805 WSL1206 WSL2010 WSL2512
Temperature Coefficient ppm/°C± 75 0.002Ω - 0.0029Ω = ± 275 0.001Ω - 0.0029Ω = ± 275 0.001Ω - 0.0029Ω = ± 275
0.003Ω - 0.0049Ω = ± 150 0.003Ω - 0.0049Ω = ± 150 0.003Ω - 0.0049Ω = ± 150
0.005Ω - 0.0069Ω = ± 110 0.005Ω - 0.0069Ω = ± 110 0.005Ω - 0.0069Ω = ± 110
0.007Ω - 0.2Ω = ± 75 0.007Ω - 0.5Ω = ± 75 0.007Ω - 0.5Ω = ± 75
Operating Temperature Range °C - 65 / + 170
Maximum Working Voltage V (P x R)1/2
Weight/1000 pieces (typical) g 4.8 16.2 38.9 63.6
Power Metal Strip® Resistors, Low Value, Surface Mount
FEATURES
• Ideal for all types of current sensing, voltage division and
pulse applications including switching and linear power
supplies, instruments, power amplifiers
• Proprietary processing technique produces extremely low
resistance values
• All welded construction
• Solid metal Nickel-chrome or Manganese-copper alloy
resistive element
• Solderable terminations
• Very low inductance 0.5nH to 5nH
• Excellent frequency response
• Low thermal EMF
ORDERING INFORMATION
WSL2010 0.01Ω1.0% R86
MODEL RESISTANCE TOLERANCE PACKAGING
Ω± % B43 = Bulk Pack
R86 = Tape and Reel
TECHNICAL SPECIFICATIONS
STANDARD ELECTRICAL SPECIFICATIONS
MODEL POWER RATING RESISTANCE RANGE
P 70°CΩZ
W± 0.5% ± 1.0%
WSL0805 0.125 0.01 - 0.2 0.01 - 0.2
WSL1206 0.25 0.01 - 0.2 0.002 - 0.2
WSL2010 0.5 0.01 - 0.5 0.001 - 0.5
WSL2512 1.0* 0.01 - 0.5 0.001 - 0.5
*For values above 0.1Ω derate linearly to 80% rated power at 0.5Ω
• Part Marking: DALE, Model, Value, Tolerance; due to resistor size limitations some resistors will be marked with only the resistance value
70
Derating
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 %
www.vishay.com
93
WSL
Vishay Dale
Document Number 30100
Revision 17-Dec-03
For technical questions, contact ww2bresistors@vishay.com
DIMENSIONS
RESISTANCE
RANGE ΩLW H T
WSL0805 0.01 - 0.2
WSL1206 0.002 - 0.2
0.001 - 0.0069
0.007 - 0.5
0.001 - 0.0049
WSL2512 0.005 - 0.0069
0.007 - 0.5
DIMENSIONS - in inches [millimeters]
SOLDER PAD DIMENSIONS - in inches [millimeters]
PERFORMANCE
TEST
Thermal Shock
Short Time Overload
Low Temperature Storage
High Temperature Exposure
Bias Humidity
Mechanical Shock
Vibration
Load Life
Resistance to Solder Heat
Moisture Resistance
CONDITIONS OF TEST
- 55°C to + 150°C, 1000 cycles, 15 minutes at each extreme
5 x rated power for 5 seconds
- 65°C for 24 hours
1000 hours @ + 170°C
+ 85°C, 85% RH, 10% Bias, 1000 hours
100g’s for 6 milliseconds, 5 pulses
Frequency varied 10 to 2000Hz in one minute, 3 directions, 12 hours
1000 hours @ rated power, + 70°C, 1.5 hours “ON”, 0.5 hours “OFF”
+ 260°C Solder, 10 - 12 second dwell, 25mm/second emergence
MIL-STD-202, Method 106, 0% power, 7a and 7b not required
TEST LIMITS
± (0.5% + 0.0005Ω) ∆R
± (0.5% + 0.0005Ω) ∆R
± (0.5% + 0.0005Ω) ∆R
± (1.0% + 0.0005Ω) ∆R
± (0.5% + 0.0005Ω) ∆R
± (0.5% + 0.0005Ω) ∆R
± (0.5% + 0.0005Ω) ∆R
± (1.0% + 0.0005Ω) ∆R
± (0.5% + 0.0005Ω) ∆R
± (0.5% + 0.0005Ω) ∆R
PACKAGING
MODEL
WSL0805
WSL1206
WSL2010
WSL2512
TAPE WIDTH
8mm/Punched Paper
8mm/Embossed Plastic
12mm/Embossed Plastic
12mm/Embossed Plastic
DIAMETER
178mm/7"
178mm/7"
178mm/7"
178mm/7"
PIECES/REEL
5000
4000
4000
2000
CODE
RT1
R86
R86
R86
REEL
RESISTANCE RANGE
Ωabl
WSL0805 0.01 - 0.2 0.040 [1.02] 0.050 [1.27] 0.020 [0.50]
WSL1206 0.002 - 0.2 0.050 [1.27] 0.070[1.78] 0.055 [1.40]
0.001 - 0.0069 0.093 [2.36] 0.120 [3.05] 0.055 [1.40]
0.007 - 0.5 0.055 [1.40] 0.120 [3.05] 0.130 [3.30]
0.001 - 0.0049 0.120 [3.05] 0.145 [3.68] 0.050 [1.27]
WSL2512 0.005 - 0.0069 0.083 [2.11] 0.145 [3.68] 0.125 [3.18]
0.007 - 0.5 0.065 [1.65] 0.145 [3.68] 0.160 [4.06]
Power Metal Strip® Resistors, Low Value, Surface Mount
L
T
W
H
b
l
a
Embossed carrier tape per EIA-481-1A
0.080 ± 0.010 0.050 ± 0.010 0.013 ± 0.005 0.015 ± 0.010
[2.03 ± 0.254] [1.27 ± 0.254] [0.330 ± 0.127] [0.381 ± 0.254]
0.126 ± 0.010 0.063 ± 0.010 0.025 ± 0.010 0.020 ± 0.010
[3.20 ± 0.254] [1.60 ± 0.254] [0.635 ± 0.254] [0.508 ± 0.254]
0.200 ± 0.010 0.100 ± 0.010 0.025 ± 0.010 0.058 ± 0.010
[5.08 ± 0.254] [2.54 ± 0.254] [0.635 ± 0.254] [1.47 ± 0.254]
0.200 ± 0.010 0.100 ± 0.010 0.025 ± 0.010 0.020 ± 0.010
[5.08 ± 0.254] [2.54 ± 0.254] [0.635 ± 0.254] [0.508 ± 0.254]
0.250 ± 0.010 0.125 ± 0.010 0.025 ± 0.010 0.087 ± 0.010
[6.35 ± 0.254] [3.18 ± 0.254] [0.635 ± 0.254] [2.21 ± 0.254]
0.250 ± 0.010 0.125 ± 0.010 0.025 ± 0.010 0.047 ± 0.010
[6.35 ± 0.254] [3.18 ± 0.254] [0.635 ± 0.254] [1.19 ± 0.254]
0.250 ± 0.010 0.125 ± 0.010 0.025 ± 0.010 0.030 ± 0.010
[6.35 ± 0.254] [3.18 ± 0.254] [0.635 ± 0.254] [0.762 ± 0.254]
MODEL
MODEL
WSL2010
WSL2010
