VISHAY WSR2R0100FEA

WSR
Vishay Dale
Power Metal Strip® Resistors,
Low Value (down to 0.001 Ω), Surface Mount
FEATURES
• Molded high temperature encapsulation
Pb-free
• Ideal for all types of current sensing, voltage
Available
division and pulse applications including
switching and linear power supplies,
e2
instruments, power amplifiers
• Proprietary processing technique produces
extremely low resistance values (down to RoHS*
COMPLIANT
0.001 Ω)
• All welded construction
• Solid metal Nickel-Chrome or Manganese-Copper alloy
resistive element with low TCR (< 20 ppm/°C)
• Solderable terminations
• Very low inductance 0.5 nH to 5 nH
• Excellent frequency response to 50 MHz
• Low thermal EMF (< 3 µV/°C)
• Lead (Pb)-free version is RoHS compliant
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
POWER RATING
P70 °C
W
2.0
3.0 (1)
SIZE
RESISTANCE RANGE
Ω
± 0.5 %
± 1.0 %
0.01 - 1.0
0.001 - 1.0
0.01 - 0.2
0.001 - 0.2
WSR2
4527
WSR3
4527
Note
(1) The WSR3 requires a minimum of 1050 sq. mil. circuit traces connecting to the recommended solder pad
• Part Marking: DALE, Model, Value, Tolerance, Date Code
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature Coefficient
WSR2 & WSR3
0.005 Ω - 0.0099 Ω = ± 110
0.010 Ω - 1.0 Ω = ± 75
> 500
> 109
- 65 to + 275
(P x R)1/2
440
ppm/°C
Dielectric Withstanding Voltage
Insulation Resistance
Operating Temperature Range
Maximum Working Voltage
Weight/1000 pieces (typical)
VAC
Ω
°C
V
g
GLOBAL PART NUMBER INFORMATION
NEW GLOBAL PART NUMBERING: WSR25L000FTA (PREFERRED PART NUMBERING FORMAT)
W
GLOBAL MODEL
WSR2
WSR3
S
R
2
5
L
VALUE
L = mΩ*
R = Decimal
5L000 = 0.005 Ω
R0100 = 0.01 Ω
* use “L” for resistance
values < 0.01 Ω
0
0
0
TOLERANCE
D = ± 0.5 %
F = ± 1.0 %
J = ± 5.0 %
F
T
A
PACKAGING
EA = Lead (Pb)-free, tape/reel
EK = Lead (Pb)-free, bulk
TA = Tin/lead, tape/reel (R86)
BA = Tin/Lead, bulk (B43)
SPECIAL
(Dash Number)
(up to 2 digits)
From 1 - 99 as
applicable
HISTORICAL PART NUMBER EXAMPLE: WSR2 0.005 Ω 1 % R86 (WILL CONTINUE TO BE ACCEPTED)
WSR2
0.005 Ω
1%
R86
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING
* Pb containing terminations are not RoHS compliant, exemptions may apply
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For technical questions, contact: [email protected]
Document Number: 30101
Revision: 26-Mar-07
WSR
Power Metal Strip® Resistors,
Low Value (down to 0.001 Ω), Surface Mount
Vishay Dale
DIMENSIONS
DIMENSIONS in inches [millimeters]
MODEL
L
H
W
WSR2
WSR3
W1
T
W
W1
0.100 ± 0.010
[2.54 ± 0.254]
0.275 ± 0.005
[6.98 ± 0.127]
0.215 ± 0.005
[5.46 ± 0.127]
H
0.455 ± 0.032 0.095 ± 0.005
[11.56 ± 0.813] [2.41 ± 0.127]
T
L
I
b
SOLDER PAD DIMENSIONS in inches [millimeters]
MODEL
WSR2
WSR3
Rated Power in %
a
a
b
l
0.155
[3.94]
0.230
[5.84]
0.205
[5.21]
120
100
80
60
40
20
0
- 65
- 25
25
Derating
75
125
70
175
225
275
Ambient Temperature °C
PERFORMANCE
TEST
TEST LIMITS
CONDITIONS OF TEST
WSR2
WSR3
Thermal Shock
- 55 °C to + 150 °C, 1000 cycles, 15 min at each extreme
± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR
Short Time Overload
WSR2: 5 x rated power for 5 s
WSR3: 4 x rated power for 5 s
± (0.5 % + 0.0005 Ω) ΔR ± (2.0 % + 0.0005 Ω) ΔR
Low Temperature Storage
- 65 °C for 24 h
± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR
High Temperature
Exposure
1000 h at + 275 °C
± (1.0 % + 0.0005 Ω) ΔR ± (1.0 % + 0.0005 Ω) ΔR
Bias Humidity
+ 85 °C, 85 % RH, 10 % Bias, 1000 h
± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR
Mechanical Shock
100 g’s for 6 ms, 5 pulses
± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR
Vibration
Frequency varied 10 to 2000 Hz in 1 min, 3 directions, 12 h
± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR
Load Life
1000 h at rated power, + 70 °C, 1.5 h “ON”, 0.5 h “OFF”
± (1.0 % + 0.0005 Ω) ΔR ± (2.0 % + 0.0005 Ω) ΔR
Resistance to Solder
Heat
+ 260 °C Solder, 10 - 12 s dwell, 25 mm/s emergence
± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR
Moisture Resistance
MIL-STD-202 Method 106, 0 % power, 7a and 7b not required ± (0.5 % + 0.0005 Ω) ΔR ± (0.5 % + 0.0005 Ω) ΔR
PACKAGING
MODEL
WSR2 and WSR3
REEL
TAPE WIDTH
DIAMETER
PIECES/REEL
CODE
24 mm/Embossed Plastic
330 mm/13"
1500
EA
Note
• Embossed Carrier Tape per EIA-481-2
Document Number: 30101
Revision: 26-Mar-07
For technical questions, contact: [email protected]
www.vishay.com
31
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Vishay
Disclaimer
All product specifications and data are subject to change without notice.
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or in any other disclosure relating to any product.
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information provided herein to the maximum extent permitted by law. The product specifications do not expand or
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therein, which apply to these products.
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Document Number: 91000
Revision: 18-Jul-08
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