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WSC, WSN
Vishay Dale
Wirewound Resistors, Precision Power, Surface Mount
FEATURES
* * * * * * * * *
(1)
All welded construction Molded encapsulation Wraparound terminations Excellent stability at different environmental conditions High power ratings (up to 3 W) Superior surge capability Available in non-inductive styles with AyrtonPerry winding (WSN in lieu of WSC, maximum resistance is one-half WSC range) AEC-Q200 qualified available (1) Compliant to RoHS Directive 2002/95/EC Flame retardance test may not be applicable to some resistor technologies.
Note
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL HISTORICAL SIZE POWER RATING P70 C RESISTANCE RANGE TOLERANCE WEIGHT (typical) ENCAPSULATION MODEL MODEL W % g/1000 pieces WSC01/2 WSC-1/2 2012 0.5 0.1 to 4.99 0.5, 1, 5 90 Epoxy 0.5, 1, 5 165 Thermoplastic (3) WSC0001 WSC-1 2515 1 0.1 to 2.77K WSC2515 WSC2515 2515 1 0.1 to 2.5K 0.1, 0.25, 0.5, 1, 5 (2) 165 Thermoplastic 0.5, 1, 5 760 Thermoplastic (3) WSC0002 WSC-2 4527 2 0.1 to 4.92K WSC4527 WSC4527 4527 2 0.1 to 4.92K 0.5, 1, 5 760 Thermoplastic 0.5, 1, 5 1675 Thermoplastic WSC6927 WSC6927 6927 3 0.1 to 8K Notes * Part marking: 1/2 W - DALE, value; 1 W - model, value, tolerance, date code; 2 W and 3 W - DALE, model, value, tolerance, date code. (2) 0.1 % and 0.25 % is available on the WSC2515 for 0.499 to 2.5 k range. (3) As of 1/1/2010, the WSC0001 and WSC0002 are molded with thermoplastic in lieu of epoxy. Reference PCN-DR-002-2009 and PCN-DR-003-2009
TECHNICAL SPECIFICATIONS
PARAMETER Temperature Coefficient Dielectric Withstanding Voltage Insulation Resistance Operating Temperature Range Maximum Working Voltage WSC0001 WSC2515 WSC0002 and above; 20 = 26.51 and above; 20 = 26.51 to 26.5 ; 20 = 10.0 and above; 50 = 1.0 ppm/C 50 = 1.0 to 4.99 50 = 1.0 to 26.5 ; 50 = 1.0 to 9.9 90 = 0.1 to 0.99 90 = 0.1 to 0.99 90 = 0.31 to 0.99 90 = 0.1 to 0.99; 150 = 0.1 to 0.3 VAC C V - 65 to + 175 > 500 > 109 - 65 to + 275 (P x R)1/2 UNIT WSC01/2 WSC4527/WSC6927 20 = 10 and above; 50 = 1.0 to 9.9 ; 90 = 0.31 to 0.99 150 = 0.1 to 0.3
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: WSC2515R7000FEA
W
S
C
2
SIZE 01/2 0001 2515 0002 4527 6927
5
1
5
VALUE
R
7
0
0
0
F
E
A
SPECIAL (Dash number) (Up to 2 digits) From 1 to 99 as applicable
GLOBAL MODEL WSC WSN
TOLERANCE B = 0.1 % (4) C = 0.25 % (4) 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)
R = Decimal K = Thousand R7000 = 0.70 1K500 = 1.5 k
Historical Part Numbering example: WSC-1 0.7 1 % R86 WSC-1 HISTORICAL MODEL Note (4) WSC2515 only * Pb containing terminations are not RoHS compliant, exemptions may apply ** Please see document "Vishay Material Category Policy": www.vishay.com/doc?99902 Document Number: 30102 Revision: 17-Feb-11 For technical questions, contact: ww2aresistors@vishay.com www.vishay.com 1 0.7 RESISTANCE VALUE 1% TOLERANCE R86 PACKAGING
WSC, WSN
Vishay Dale
DIMENSIONS in inches (millimeters)
W H
Wirewound Resistors, Precision Power, Surface Mount
l W1 a T L
b
GLOBAL MODEL WSC01/2 WSC0001 WSC2515 WSC0002 WSC4527 WSC6927
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) 0.455 0.020 (11.56 0.508) 0.455 0.020 (11.56 0.508) 0.690 0.032 (17.53 0.813)
H 0.096 0.015 (2.44 0.381) 0.110 0.015 (2.79 0.381) 0.110 0.015 (2.79 0.381) 0.167 0.010 (4.24 0.254) 0.167 0.010 (4.24 0.254) 0.280 0.015 (7.11 0.381)
DIMENSIONS T 0.040 0.010 (1.02 0.254) 0.045 0.010 (1.14 0.254) 0.045 0.010 (1.14 0.254) 0.100 0.010 (2.54 0.254) 0.100 0.010 (2.54 0.254) 0.100 0.010 (2.54 0.254)
W 0.125 0.005 (3.18 0.127) 0.150 0.005 (3.81 0.127) 0.150 0.005 (3.81 0.127) 0.275 0.005 (6.98 0.127) 0.275 0.005 (6.98 0.127) 0.275 0.005 (6.98 0.127)
Rated Power in %
W1 0.050 0.010 (1.27 0.254) 0.098 0.005 (2.49 0.127) 0.098 0.005 (2.49 0.127) 0.215 0.005 (5.46 0.127) 0.215 0.005 (5.46 0.127) 0.215 0.015 (5.46 0.381)
120 100 80 60 40
SOLDER PAD DIMENSIONS A B L 0.085 (2.16) 0.090 (2.29) 0.090 (2.29) 0.155 (3.94) 0.155 (3.94) 0.155 (3.94) 0.070 (1.78) 0.115 (2.92) 0.115 (2.92) 0.230 (5.84) 0.230 (5.84) 0.235 (5.97) 0.080 (2.03) 0.115 (2.92) 0.120 (3.05) 0.205 (5.21) 0.205 (5.21) 0.470 (11.94)
TEMPERATURE RISE
Temperature Rise in C
200 WSC0002 WSC4527 WSC01/2 100 WSC0001 WSC2515
DERATING
150
WSC6927
WSC0001 (1) WSC0002 (1) WSC2515 WSC4527 WSC6927
50
20 WSC01/2
0
0
0.5
1.0
1.5
2.0
2.5
3.0
0 - 65
- 25
25
75 70
125
175
225
275
Power in W
Ambient Temperature in C
Note (1) As of 1/1/2010, WSC0001 and WSC0002 will be molded with thermoplastic and have the higher 275 C temperature 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 min at each extreme 5 x rated power for 5 s - 65 C for 24 h 1000 h at + 275 C (+ 175 C for WSC01/2) + 85 C, 85 % RH, 10 % bias, 1000 h 100 g's for 11 ms, 5 pulses Frequency varied 10 Hz to 500 Hz in 1 min, 3 directions, 9 h 1000 h at rated power, + 70 C, 1.5 h "ON", 0.5 h "OFF" + 260 C solder, 10 s to 12 s dwell, 25 mm/s 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 TAPE WIDTH 12 mm/embossed plastic 16 mm/embossed plastic 24 mm/embossed plastic 32 mm/embossed plastic REEL 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
WSC01/2 WSC0001/WSC2515 WSC0002/WSC4527 WSC6927 Note * Embossed Carrier Tape per EIA-481. www.vishay.com 2
For technical questions, contact: ww2aresistors@vishay.com
Document Number: 30102 Revision: 17-Feb-11
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000 Revision: 18-Jul-08
www.vishay.com 1

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