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WSC, WSN
Vishay Dale
Wirewound Resistors, Precision Power, Surface Mount
FEATURES
* * * * * * * * * All welded construction Molded encapsulation Pb-free Wrap around terminations Available Solderable termination Excellent stability at different environmental e3 conditions High power ratings RoHS* Superior surge capability COMPLIANT Available in non-inductive styles with ArytonPerry winding (WSN in lieu of WSC, maximum resistance is one-half WSC range) Lead (Pb)-free version is RoHS compliant
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL HISTORICAL SIZE POWER RATING P70 C TOLERANCE RESISTANCE RANGE ENCAPSULATION MODEL MODEL INCH % W WSC01/2 WSC-1/2 2012 0.5 0.5, 1, 5 0.1 - 4.99 Epoxy WSC0001 WSC-1 2515 1.0 0.5, 1, 5 0.1 - 2.77 k Epoxy WSC2515 WSC2515 2515 1.0 0.5, 1, 5 0.1 - 2.77 k Thermoplastic WSC0002 WSC-2 4527 2.0 0.5, 1, 5 0.1 - 4.92 k Epoxy WSC4527 WSC4527 4527 2.0 0.5, 1, 5 0.1 - 4.92 k Thermoplastic WSC6927 WSC6927 6927 3.0 0.5, 1, 5 0.1 - 8 k Thermoplastic * Part Marking: 1/2 W - DALE, Value; 1 W - Model, Value, Tolerance, Date Code; 2 W & 3 W - DALE, Model, Value, Tolerance, Date Code
TECHNICAL SPECIFICATIONS
PARAMETER Temperature Coefficient Dielectric Withstanding Voltage Insulation Resistance Operating Temperature Range Maximum Working Voltage Weight/1000 pieces (typical) WSC4527/WSC6927 0.1 - 0.3 = 150 0.1 - 0.99 = 90 0.1 - 0.99 = 90 0.1 - 0.99 = 90 0.31 - 0.99 = 90 0.1 - 0.99 = 90 1.0 - 26.5 = 50 1.0 - 9.9 = 50 1.0 - 26.5 = 50 ppm/C 1.0 - 4.99 = 50 1.0 - 9.9 = 50 26.51 and above = 20 26.51 and above = 20 10.0 and above = 20 10 and above = 20 VAC C V g > 500 > 109 - 65/+ 175 (P x R)1/2 90 > 500 > 109 - 65/+ 175 (P x R)1/2 165 > 500 > 109 - 65/+ 275 (P x R)1/2 165 > 500 > 109 - 65/+ 175 (P x R)1/2 760 > 500 > 109 - 65/+ 275 (P x R)1/2 760/1675 UNIT WSC01/2 WSC0001 WSC2515 WSC0002
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: WSC2515R7000FTA (preferred part numbering format)
W
GLOBAL MODEL WSC WSN
S
SIZE 01/2 0001 2515 0002 4527 6927
C
2
5
1
5
R
7
0
0
0
F
T
A
SPECIAL (Dash Number) (up to 2 digits) From 1-99 as applicable
VALUE R = decimal K = thousand 54R15 = 54.15 1K500 = 1.5 k
TOLERANCE D = 0.5 % F = 1.0 % G = 2.0 % H = 3.0 % J = 5.0 % K = 10 %
PACKAGING EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk TA = Tin/Lead, Tape/reel (R86) BA = Tin/Lead, bulk (B43)
Historical Part Number example: WSC2515 0.7 1 % R86 (will continue to be accepted)
WSC2515
HISTORICAL MODEL
0.7
RESISTANCE VALUE
1%
TOLERANCE CODE
R86
PACKAGING
* Pb containing terminations are not RoHS compliant, exemptions may apply www.vishay.com 218 For technical questions contact: ww2aresistors@vishay.com Document Number: 30102 Revision: 14-Feb-06
WSC, WSN
Wirewound Resistors, Precision Power, Surface Mount
DIMENSIONS
MODEL WSC01/2
W H
Vishay Dale
DIMENSIONS in inches [millimeters] L 0.200 0.020 [5.08 0.508] 0.250 0.020 [6.35 0.508] 0.250 0.020 [6.35 0.508] H T W W1 0.096 0.015 0.040 0.010 0.125 0.005 0.050 0.010 [2.44 0.381] [1.02 0.254] [3.18 0.127] [1.27 0.254] 0.110 0.015 0.045 0.010 0.150 0.005 0.098 0.005 [2.79 0.381] [1.14 0.254] [3.81 0.127] [2.49 0.127] 0.110 0.015 0.045 0.010 0.150 0.005 0.098 0.005 [2.79 0.381] [1.14 0.254] [3.81 0.127] [2.49 0.127]
WSC0001 WSC2515
W1
WSC0002 WSC4527 WSC6927
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] a 0.085 [2.16] 0.090 [2.29] 0.090 [2.29] 0.155 [3.94] 0.155 [3.94] 0.155 [3.94]
Rated Power in %
120 100 80 60 40 WSC2515 WSC4527 WSC6927
T L
l
b
a
MODEL WSC01/2 WSC0001 WSC2515 WSC0002 WSC4527 WSC6927
b 0.070 [1.78] 0.115 [2.92] 0.115 [2.92] 0.230 [5.84] 0.230 [5.84] 0.235 [5.97]
l 0.080 [2.03] 0.120 [3.05] 0.120 [3.05] 0.205 [5.21] 0.205 [5.21] 0.470 [11.94]
Temperature Rise in C
200 WSC0002 WSC4527 WSC01/2 100 WSC0001 WSC2515
150
WSC6927
50 20 0 0 0.5 1.0 1.5 2.0 2.5 3.0 Power in W 0 - 65 WSC01/2 WSC0001 WSC0002 125 175 225 275 Ambient Temperature in C
- 25
25
75 70
Temperature Rise
Derating
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 WSC01/2, WSC0001 and WSC0002) + 85 C, 85 % RH, 10 % Bias, 1000 hours 100 g's for 11 milliseconds, 5 pulses Frequency varied 10 to 500 Hz 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, 25 mm/second emergence 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
PACKAGING
MODEL WSC01/2 WSC0001/WSC2515 WSC0002/WSC4527 WSC6927 REEL TAPE WIDTH 12 mm/Embossed Plastic 16 mm/Embossed Plastic 24 mm/Embossed Plastic 32 mm/Embossed Plastic DIAMETER 330 mm/13" 330 mm/13" 330 mm/13" 330 mm/13" PIECES/REEL 2000 2000 1200 725 CODE EA/TA EA/TA EA/TA EA/TA
Embossed Carrier Tape per EIA-481-1, 2, 3 Document Number: 30102 Revision: 14-Feb-06 For technical questions contact: ww2aresistors@vishay.com www.vishay.com 219
Legal Disclaimer Notice
Vishay
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.
Document Number: 91000 Revision: 08-Apr-05
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