WSL
Vishay Dale
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
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
POWER RATING
P
70
°
C
W
WSL0805
WSL1206
WSL2010
WSL2512
0.125
0.25
0.5
1.0*
RESISTANCE RANGE
Ω
Z
±
0.5%
0.01 - 0.2
0.01 - 0.2
0.01 - 0.5
0.01 - 0.5
±
1.0%
0.01 - 0.2
0.002 - 0.2
0.001 - 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
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
UNIT
ppm/°C
WSL0805
±
75
WSL1206
WSL2010
WSL2512
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
Maximum Working Voltage
Weight/1000 pieces (typical)
°C
V
g
4.8
Rated Power In %
- 65 / + 170
(P x R)
1/2
16.2
120
100
38.9
63.6
ORDERING INFORMATION
80
WSL2010
MODEL
0.01
Ω
RESISTANCE
Ω
1.0%
TOLERANCE
±
%
R86
PACKAGING
B43 = Bulk Pack
R86 = Tape and Reel
60
40
20
0
-65 -50
-25
0
25
50
75
70
Derating
www.vishay.com
92
For technical questions, contact ww2bresistors@vishay.com
100
125
150
170
Ambient Temperature in
°
C
Document Number 30100
Revision 17-Dec-03
WSL
Power Metal Strip
®
Resistors, Low Value, Surface Mount
DIMENSIONS
MODEL
RESISTANCE
RANGE
Ω
H
W
T
L
l
a
b
Vishay Dale
DIMENSIONS -
in inches [millimeters]
L
0.080
±
0.010
[2.03
±
0.254]
0.126
±
0.010
[3.20
±
0.254]
W
0.050
±
0.010
[1.27
±
0.254]
0.063
±
0.010
[1.60
±
0.254]
0.100
±
0.010
[2.54
±
0.254]
0.100
±
0.010
[2.54
±
0.254]
0.125
±
0.010
[3.18
±
0.254]
0.125
±
0.010
[3.18
±
0.254]
0.125
±
0.010
[3.18
±
0.254]
H
T
WSL0805
WSL1206
0.01 - 0.2
0.002 - 0.2
0.013
±
0.005 0.015
±
0.010
[0.330
±
0.127] [0.381
±
0.254]
0.025
±
0.010 0.020
±
0.010
[0.635
±
0.254] [0.508
±
0.254]
0.025
±
0.010 0.058
±
0.010
[0.635
±
0.254] [1.47
±
0.254]
0.025
±
0.010 0.020
±
0.010
[0.635
±
0.254] [0.508
±
0.254]
0.025
±
0.010 0.087
±
0.010
[0.635
±
0.254] [2.21
±
0.254]
0.025
±
0.010 0.047
±
0.010
[0.635
±
0.254] [1.19
±
0.254]
0.025
±
0.010 0.030
±
0.010
[0.635
±
0.254] [0.762
±
0.254]
0.001 - 0.0069 0.200
±
0.010
[5.08
±
0.254]
WSL2010
0.200
±
0.010
0.007 - 0.5
[5.08
±
0.254]
0.001 - 0.0049 0.250
±
0.010
[6.35
±
0.254]
0.250
±
0.010
WSL2512
0.005 - 0.0069
[6.35
±
0.254]
0.250
±
0.010
0.007 - 0.5
[6.35
±
0.254]
MODEL
RESISTANCE RANGE
SOLDER PAD DIMENSIONS -
in inches [millimeters]
Ω
WSL0805
WSL1206
WSL2010
0.01 - 0.2
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
a
0.040 [1.02]
0.050 [1.27]
0.093 [2.36]
0.055 [1.40]
0.120 [3.05]
0.083 [2.11]
0.065 [1.65]
b
0.050 [1.27]
0.070[1.78]
0.120 [3.05]
0.120 [3.05]
0.145 [3.68]
0.145 [3.68]
0.145 [3.68]
l
0.020 [0.50]
0.055 [1.40]
0.055 [1.40]
0.130 [3.30]
0.050 [1.27]
0.125 [3.18]
0.160 [4.06]
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
TAPE WIDTH
WSL0805
WSL1206
WSL2010
WSL2512
8mm/Punched Paper
8mm/Embossed Plastic
12mm/Embossed Plastic
12mm/Embossed Plastic
DIAMETER
178mm/7"
178mm/7"
178mm/7"
178mm/7"
REEL
PIECES/REEL
5000
4000
4000
2000
CODE
RT1
R86
R86
R86
Embossed carrier tape per EIA-481-1A
Document Number 30100
Revision 17-Dec-03
For technical questions, contact ww2bresistors@vishay.com
www.vishay.com
93
