Metal Film Resistors, Power, Surface Mount Molded encapsulation W
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Metal Film Resistors, Power, Surface Mount
Molded encapsulation Wrap around terminations Solderable terminations Excellent stability different environmental conditions High power ratings
Available
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL WSF2012 WSF2515 SIZE INCH 2012 2515 POWER RATING P70°C TOLERANCE 0.5, 0.5, RESISTANCE RANGE 1.43k* 26.5 ENCAPSULATION
Epoxy Thermoplastic
WSF4527 4527 2.0** 0.5, 100k Thermoplastic *E96 values only **Resistance values above 31,250 limited 250V maximum working voltage Part Marking: 1/2W DALE, Value; Model, Value, Tolerance, Date Code; 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) UNIT ppm/°C 65/+ R)1/2 WSF2012 100* WSF2515 100* 65/+ R)1/2 65/+ R)1/2** WSF4527 100*
50ppm/°C 25ppm/°C available. **Resistance values above 31,250 limited 250V maximum working voltage.
GLOBAL PART NUMBER INFORMATION
Global Part Numbering: WSF25151K500JKTA8 (preferred part numbering format)
SPECIAL (Dash Number) digits) From 1-99 applicable
GLOBAL MODEL WSF2012 WSF2515 WSF4527
VALUE TOLERANCE T.C. PACKAGING decimal 0.5% 25ppm/°C Lead Free, tape/reel thousand 1.0% 50ppm/°C Lead Free, Bulk 54R15 54.15 2.0% 100ppm/°C TA=Tin/Lead,tape/reel(R86) 1K325 1.325K 3.0% Tin/Lead, bulk (B43) 5.0%
Historical Part Number example: WSF2515-8 1.5K
100ppm/°C (will continue accepted)
WSF2515-8
HISTORICAL MODEL
1.5K
RESISTANCE VALUE
TOLERANCE CODE
100ppm/°C
TEMPERATURE COEFFICIENT
PACKAGING
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technical questions contact: ww2aresistors@vishay.com
Document Number: 30104 Revision: 05-Oct-05
Metal Film Resistors, Power, Surface Mount
DIMENSIONS
MODEL
Vishay Dale
DIMENSIONS inches [millimeters] 0.200 0.020 [5.08 0.508] 0.250 0.020 [6.35 0.508] 0.096 0.015 0.040 0.010 0.125 0.005 0.050 0.005 [2.44 0.381] [1.02 0.254] [3.18 0.127] [1.27 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]
WSF2012 WSF2515
WSF4527
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]
MODEL WSF2012
SOLDER DIMENSIONS inches [millimeters] 0.085 [2.16] 0.090 [2.29] 0.155 [3.94] 0.070 [1.78] 0.115 [2.92] 0.230 [5.94] 0.080 [2.03] 0.120 [3.05] 0.205 [5.21]
WSF2515 WSF4527
Temperature Rise
Rated Power
WSF2012 WSF2515
WSF2515 WSF2012 WSF4527
WSF4527
Temperature Rise
Power
Derating
Ambient Temperature
PERFORMANCE
TEST Thermal Shock Short Time Overload Temperature Storage High Temperature Exposure Bias Humidity Moisture Resistance Mechanical Shock Vibration Load Life Resistance Solder heat CONDITIONS TEST 55°C 150°C, 1000 cycles, minutes each extreme rated power seconds 65°C hours 1000 hours 175°C (150°C WSF4527) 85°C, Bias, 1000 hours MIL-STD-202 Method 106, Power, required 100g's milliseconds, pulses Frequency varied 500Hz minute, directions, hours 1000 hours rated power, 70°C, hours "ON", hours "OFF" 260°C solder, 10-12 second dwell, 25mm/second emergence TEST LIMITS (1.0% +0.05) (0.5% +0.05) (0.5% +0.05) (1.0% +0.05) (0.5% +0.05) (0.5% +0.05) (0.5% +0.05) (0.5% +0.05) (1.0% +0.05) (0.5% +0.05)
PACKAGING
MODEL WSF2012 WSF2515 WSF4527 REEL TAPE WIDTH 12mm/Embossed Plastic 16mm/Embossed Plastic 24mm/Embossed Plastic DIAMETER 330mm/13" 330mm/13" 330mm/13" PIECES/REEL 2000 2000 1200 CODE EA/TA EA/TA EA/TA
Embossed Carrier Tape 481-1, Document Number: 30104 Revision: 05-Oct-05 technical questions contact: ww2aresistors@vishay.com www.vishay.com
Legal Disclaimer Notice
Vishay
Notice
Specifications products displayed herein subject change without notice. Vishay Intertechnology, Inc., anyone behalf, assumes responsibility liability errors inaccuracies. Information contained herein intended provide product description only. license, express implied, estoppel otherwise, intellectual property rights granted this document. Except provided Vishay's terms conditions sale such products, Vishay assumes liability whatsoever, disclaims express implied warranty, relating sale and/or Vishay products including liability warranties relating fitness particular purpose, merchantability, infringement patent, copyright, other intellectual property right. products shown herein designed medical, life-saving, life-sustaining applications. Customers using selling these products such applications their risk agree fully indemnify Vishay damages resulting from such improper sale.
Document Number: 91000 Revision: 08-Apr-05
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