RESISTIVE PRODUCTS –
Model WSL High Power
PRODUCT SHEET
High Power, Surface Mount, Power Metal Strip
®
Resistors
FEATURES
•
4 Industry Standard Sizes:
0805, 1206, 2010, and 2512
•
Resistance Range:
0.001 Ω to 0.5 Ω
•
High Power Current Sensing:
double the power to package size compared
to standard WSL products
•
Temperature Coefficient:
from ± 75 ppm/°C to ± 275 ppm/°C according to
size and resistance value
•
Excellent Frequency Response
•
Available on tape and reel for auto-insertion
APPLICATIONS
•
Computer:
DC/DC converters, VRMs, and power management
•
Automotive:
Electronic controls (engine controls, audio electronics, climate
controls, anti-lock brakes, etc.)
•
Telecommunications:
Power management, DC/DC converters
w w w. v i s h a y. c o m
The data sheet for Model WSL High Power is available on our web
site at www.vishay.com/doc?31057
WSL High Power
Power Metal
Resistors, High Power,
Low Value, Surface Mount
DIMENSIONS
MODEL
RESISTANCE
RANGE
½
L
W
H
W
Strip
®
DIMENSIONS -
in inches [millimeters]
Vishay Dale
H
T
WSL0805-18
WSL1206-18
0.002 - 0.2
0.01 - 0.2
0.080
±
0.010
[2.03
±
0.254]
0.126
±
0.010
[3.20
±
0.254]
0.050
±
0.010
[1.27
±
0.254]
0.063
±
0.010
[1.60
±
0.254]
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]
T
L
WSL2010-18
l
b
a
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
• Specially selected and stabilized materials allow for high
power rating
• 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
0.200
±
0.010
0.001 - 0.0069 [5.08
±
0.254]
0.007 - 0.5 0.200
±
0.010
[5.08
±
0.254]
0.250
±
0.010
0.001 - 0.0049 [6.35
±
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]
WSL2512-18
0.250
±
0.010 0.125
±
0.010
0.005 - 0.0069 [6.35
±
0.254] [3.18
±
0.254]
0.250
±
0.010 0.125
±
0.010
0.007 - 0.01 [6.35
±
0.254] [3.18
±
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]
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE RANGE
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]
MODEL
POWER RATING
P
70
°
C
½
±
1.0%
0.01 - 0.2
0.002 - 0.2
0.001 - 0.5
0.001 - 0.01
MODEL
RESISTANCE RANGE
SOLDER PAD DIMENSIONS -
in inches [millimeters]
W
0.01 - 0.2
0.01 - 0.2
0.01 - 0.5
–
±
0.5%
WSL0805-18
0.25
½
WSL0805-18
WSL1206-18
WSL2010-18
0.007 - 0.5
0.001 - 0.0049
WSL2512-18
0.005 - 0.0069
0.007 - 0.01
0.002 - 0.2
0.001 - 0.0069
0.01 - 0.2
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]
WSL1206-18
0.5
WSL2010-18
1.0
WSL2512-18
2.0
• Part Marking: DALE, Model, Value, Tolerance; due to resistor size limitations some resistors will be marked with only the resistance value
TECHNICAL SPECIFICATIONS
WSL1206
WSL2010
WSL2512
PARAMETER
UNIT
WSL0805
Temperature Coefficient
ppm/°C
±
75
0.002½ - 0.0029½ =
±
275 0.001½ - 0.0029½ =
±
275 0.001½ - 0.0029½ =
±
275
PERFORMANCE
TEST
Thermal Shock
Short Time Overload
Low Temperature Storage
High Temperature Exposure
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
Bias Humidity
Mechanical Shock
Vibration
Load Life
Resistance to Solder Heat
Moisture Resistance
+ 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% + 0.0005½)
½R
±
(0.5% + 0.0005½)
½R
±
(0.5% + 0.0005½)
½R
±
(1.0% + 0.0005½)
½R
±
(0.5% + 0.0005½)
½R
±
(0.5% + 0.0005½)
½R
±
(0.5% + 0.0005½)
½R
±
(1.0% + 0.0005½)
½R
±
(0.5% + 0.0005½)
½R
±
(0.5% + 0.0005½)
½R
0.003½ - 0.0049½ =
±
150 0.003½ - 0.0049½ =
±
150 0.003½ - 0.0049½ =
±
150
0.005½ - 0.0069½ =
±
110 0.005½ - 0.0069½ =
±
110 0.005½ - 0.0069½ =
±
110
0.007½ - 0.2½ =
±
75
0.007½ - 0.5½ =
±
75
0.007½ - 0.01½ =
±
75
- 65 / + 170
(P x R)
1/2
16.2
38.9
63.6
Operating Temperature Range
°C
Maximum Working Voltage
V
Weight/1000 pieces (typical)
g
4.8
ORDERING INFORMATION
100
80
60
40
20
0
-65 -50
-25
0
25
120
Rated Power In %
PACKAGING
MODEL
TAPE WIDTH
WSL0805-18
WSL1206-18
WSL2010-18
50
75
70
100
125
150
170
Ambient Temperature in
°
C
REEL
DIAMETER
8mm/Punched Paper
8mm/Embossed Plastic
12mm/Embossed Plastic
WSL2512-18
12mm/Embossed Plastic
Embossed carrier tape per EIA-481-1A
178mm/7"
178mm/7"
178mm/7"
178mm/7"
PIECES/REEL
5000
4000
4000
2000
CODE
RT1
R86
R86
R86
WSL2010-18
0.01
½
1.0%
R86
MODEL
RESISTANCE TOLERANCE
PACKAGING
½
±
%
B43 = Bulk Pack
R86 = Tape and Reel
For technical questions, contact ww2bresistors@vishay
ww2bresistors@vishay.com
Revision 01-Jul-02
Derating
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