Power Metal Strip
Resistors, Very High Power (1 W)
Low Value (down to 0.001
), Surface Mount
WSLP1206
Vishay Dale
www.vishay.com
For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30122
290
Revision: 31-Oct-06
FEATURES
Very high power to foot print size ratio
(1 W in 1206 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
)
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 V/C)
Note
Part Marking: Value
RoHS
COMPLIANT
Pb-free
e3
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL
POWER RATING
P
70 C
W
RESISTANCE RANGE
WEIGHT
(typical)
g/1000 pcs
0.5 %
1.0 %
WSLP1206
1.0
0.01 - 0.05
0.002 - 0.05
16.2
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
WSLP1206
Temperature Coefficient
ppm/C
75
Operating temperature range
C
- 65/+ 170
Maximum Working Voltage
V
(P R)
1/2
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: WSLP1206R0100FEA
GLOBAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING CODE
SPECIAL
WSLP1206
L = Milliohm*
R = Decimal
4L000 = 0.004
R0100 = 0.01
* use "L" for resistance
values < 0.01
D = 0.5 %
F = 1.0 %
EA = Lead (Pb)-free, Tape/Reel
EK = Lead (Pb)-free,Bulk
Reserved for
future specials
S
L
P
1
2
0
6
R
0
W
1
0
0
F
E
A
WSLP1206
Power Metal Strip
Resistors, Very High Power (1 W)
Low Value (down to 0.001
), Surface Mount
Vishay Dale
Document Number: 30122
For technical questions, contact: ww2bresistors@vishay.com
www.vishay.com
Revision: 31-Oct-06
291
DIMENSIONS
Note
Embossed Carrier Tape per EIA-481-2
L
T
W
H
l
b
a
MODEL
DIMENSIONS in inches [millimeters]
L
W
H
T
WSLP1206
0126 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]
MODEL
SOLDER PAD DIMENSIONS in inches [millimeters]
a
b
l
WSLP1206
0.062
0.070
0.030
[1.57]
[1.78]
[0.76]
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
PERFORMANCE
TEST
CONDITIONS OF TEST
TEST LIMITS
Thermal Shock
- 55 C to + 150 C, 1000 cycles, 15 minutes at each extreme
(0.5 % + 0.0005
) R
Low Temperature Operation
- 65 C for 45 minutes
(0.5 % + 0.0005
) R
High Temperature Exposure
1000 hours at + 170 C
(1.0 % + 0.0005
) R
Bias Humidity
+ 85 C, 85 % RH, 10 % Bias, 1000 hours
(0.5 % + 0.0005
) R
Mechanical Shock
100 g's for 6 milliseconds, 5 pulses
(0.5 % + 0.0005
) R
Vibration
Frequency varied 10 to 2000 Hz in one minute, 3 directions, 12 hours
(0.5 % + 0.0005
) R
Load Life
1000 hours at 70 C, 1.5 hrs "ON", 0.5 hours "OFF"
(1.0 % + 0.0005
) R
Resistance to Solder Heat
+ 260 C Solder, 10 - 12 second dwell, 25 mm/second emergence
(0.5 % + 0.0005
) R
Moisture Resistance
MIL-STD-202, Method 106, 0 % power, 7b not required
(0.5 % + 0.0005
) R
PACKAGING
MODEL
REEL
TAPE WIDTH
DIAMETER
PIECES/REEL
CODE
WSLP1206
8 mm/Embossed Plastic
178 mm/7"
4000
EA
Legal Disclaimer Notice
Vishay
Document Number: 91000
www.vishay.com
Revision: 08-Apr-05
1
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
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