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Vishay Intertechnology Electronic Components Datasheet

WSC-2 Datasheet

Wirewound Resistors / Precision Power / Surface Mount

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WSC, WSN
Vishay Dale
Wirewound Resistors,
Precision Power, Surface Mount
FEATURES
• All welded construction
• Molded encapsulation
• Wrap around terminations
• SnPb electro tin plated terminations
• Excellent stability at different environmental conditions
• High power ratings
• Superior surge capability
• Available in non-inductive styles with Aryton-Perry winding
(WSN in lieu of WSC, maximum resistance is one-half
WSC range)
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
WSC-1/2
SIZE
INCH
2012
POWER RATING
P70°C
W
0.5
TOLERANCE
±%
0.5, 1, 5
RESISTANCE
RANGE
0.1 - 4.99
ENCAPSULATION
Epoxy
WSC-1
2515
1.0
0.5, 1, 5
0.1 - 2.77k
Epoxy
WSC2515
2515
1.0
0.5, 1, 5
0.1 - 2.77k
Thermoplastic
WSC-2
4527
2.0
0.5, 1, 5
0.1 - 4.92k
Epoxy
WSC4527
4527
2.0
0.5, 1, 5
0.1 - 4.92k
Thermoplastic
WSC6927
6927
3.0
0.5, 1, 5
0.1 - 8k
Thermoplastic
• Part Marking: 1/2W - DALE, Value; 1W - Model, Value, Tolerance, Date Code; 2W & 3W - DALE, Model, Value, Tolerance, Date Code.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
WSC-1/2
WSC-1
WSC2515
WSC-2
WSC4527/WSC6927
Temperature
Coefficient
ppm/˚C 0.1- 0.99= ± 90 0.1- 0.99= ± 90
0.1- 0.99= ± 90 0.1- 0.99= ± 90
1.0- 4.99= ± 50 1.0- 26.5= ± 50 1.0- 26.5= ± 50 1.0- 9.9= ± 50
26.51and above = ± 20 26.51and above = ± 20 10.0and above = ± 20
0.1- 0.3= ± 150
0.31- 0.99= ± 90
1.0- 9.9= ± 50
10and above = ± 20
Dielectric Withstanding
Voltage
VAC
> 500
> 500
> 500
> 500
> 500
Insulation Resistance > 109
> 109
> 109
> 109
> 109
Operating Temperature
Range
°C - 65/ + 175
- 65/ + 175
- 65/ + 275
- 65/ + 175
- 65/ + 275
Maximum Working Voltage V
(P x R)1/2
(P x R)1/2
(P x R)1/2
(P x R)1/2
(P x R)1/2
Weight/1000 pieces (typical) g
90
165
165 760 760 / 1675
ORDERING INFORMATION
WSC2515
10
www.DMaOtaDESLheet4U.coRmESISTANCE
1.0%
TOLERANCE
±%
R86
PACKAGING
B43 = Bulk Pack
R86 = Tape and Reel
www.vishay.com
106
For technical questions, contact ww2aresistors@vishay.com
Document Number 30102
Revision 06-Sep-01


Vishay Intertechnology Electronic Components Datasheet

WSC-2 Datasheet

Wirewound Resistors / Precision Power / Surface Mount

No Preview Available !

www.DataSheet4U.com
WSC, WSN
Wirewound Resistors, Precision Power, Surface Mount
Vishay Dale
DIMENSIONS
W
T
L
l
a
200
150
WSC-1/2
100
WSC-1
WSC2515
50
0
0 0.5
Temperature Rise
1.0
1.5
H
W1
b
WSC-2
WSC4527
2.0
MODEL
WSC-1/2
WSC-1
WSC2515
WSC-2
WSC4527
WSC6927
MODEL
WSC-1/2
WSC-1
WSC2515
WSC-2
WSC4527
WSC6927
DIMENSIONS in inches [millimeters]
L H T W W1
0.200 ± 0.020 0.096 ± 0.015 0.040 ± 0.010 0.125 ± 0.005 0.050 ± 0.010
[5.08 ± 0.508] [2.44 ± 0.381] [1.02 ± 0.254] [3.18 ± 0.127] [1.27 ± 0.254]
0.250 ± 0.020 0.110 ± 0.015 0.045 ± 0.010 0.150 ± 0.005 0.098 ± 0.005
[6.35 ± 0.508] [2.79 ± 0.381] [1.14 ± 0.254] [3.81 ± 0.127] [2.49 ± 0.127]
0.250 ± 0.020 0.110 ± 0.015 0.045 ± 0.010 0.150 ± 0.005 0.098 ±0 .005
[6.35 ± 0.508] [2.79 ± 0.381] [1.14 ± 0.254] [3.81 ± 0.127] [2.49 ± 0.127]
0.445 ± 0.032 0.162 ± 0.015 0.100 ± 0.010 0.275 ± 0.005 0.215 ± 0.005
[11.30 ± 0.813] [4.11 ± 0.381] [2.54 ± 0.254] [6.98 ± 0.127] [5.46 ± 0.127]
0.455 ± 0.020 0.167 ± 0.010 0.100 ± 0.010 0.275 ± 0.005 0.215 ± 0.005
[11.56 ± 0.508] [4.24 ± 0.254] [2.54 ± 0.254] [6.98 ± 0.127] [5.46 ± 0.127]
0.690 ± 0.032 0.280 ± 0.015 0.100 ± 0.010 0.275 ± 0.005 0.215 ± 0.015
[17.53 ± 0.813] [7.11 ± 0.381] [2.54 ± 0.254] [6.98 ± 0.127] [5.46 ± 0.381]
SOLDER PAD DIMENSIONS in inches [millimeters]
ab l
0.085 [2.16]
0.070 [1.78]
0.080 [2.03]
0.090 [2.29]
0.115 [2.92]
0.120 [3.05]
0.090 [2.29]
0.115 [2.92]
0.120 [3.05]
0.155 [3.94]
0.230 [5.84]
0.205 [5.21]
0.155 [3.94]
0.230 [5.84]
0.205 [5.21]
0.155 [3.94]
0.235 [5.97]
0.470 [11.94]
120
WSC6927
100
80
60
40
WSC2515
WSC4527
WSC6927
20
2.5 3.0
Power in W
0-65
Derating
-25
WSC-1/2
WSC-1
WSC-2
25 75 125 175 225 275
70 Ambient Temperature in °C
PERFORMANCE
TEST
Thermal Shock
Short Time Overload
Low Temperature Storage
High Temperature Exposure
Bias Humidity
Mechanical Shock
Vibration
Load Life
Resistance to Solder Heat
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 at + 275°C (+ 175°C for WSC-1/2, WSC-1 and WSC-2)
+ 85°C, 85% RH, 10% Bias, 1000 hours
100g’s for 11 milliseconds, 5 pulses
Frequency varied 10 to 500Hz in one minute, 3 directions, 9 hours
1000 hours at rated power, + 70°C, 1.5 hours “ON”, 0.5 hours “OFF”
+ 260°C Solder, 10 -12 second dwell, 25mm/second emergence
PACKAGING
MODEL
TAPE WIDTH
WSC-1/2
12mm/Embossed Plastic
WSC-1/WSC2515
16mm/Embossed Plastic
WSC-2/WSC4527
24mm/Embossed Plastic
wWwSwC6.9D27ataSheet4U3.2cmomm/Embossed Plastic
Embossed Carrier Tape per EIA-481-1, 2, 3
DIAMETER
330mm/13"
330mm/13"
330mm/13"
330mm/13”
REEL
PIECES/REEL
2000
2000
1200
725
TEST LIMITS
± (0.5% + 0.05) R
± (0.2% + 0.05) R
± (0.2% + 0.05) R
± (0.5% + 0.05) R
± (0.2% + 0.05) R
± (0.1% + 0.05) R
± (0.1% + 0.05) R
± (1.0% + 0.05) R
± (0.5% + 0.05) R
CODE
R86
R86
R86
R86
Document Number 30102
Revision 06-Sep-01
For technical questions, contact ww2aresistors@vishay.com
www.vishay.com
107


Part Number WSC-2
Description Wirewound Resistors / Precision Power / Surface Mount
Maker Vishay Intertechnology
Total Page 2 Pages
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