WSC, WSN Vishay Dale Wirewound Resistors, Precision Power, Surface Mount FEATURES 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 Aryton- Perry winding (WSN in lieu of WSC, maximum resistance is one-half WSC range) Compliant to RoHS directive 2002/95/EC STANDARD ELECTRICAL SPECIFICATIONS GLOBAL HISTORICAL SIZE POWER RATING P TOLERANCE RESISTANCE RANGE 70 C ENCAPSULATION MODEL MODEL INCH % W WSC01/2 WSC-1/2 2012 0.5 0.5, 1, 5 0.1 to 4.99 Epoxy (2) WSC0001 WSC-1 2515 1.0 0.5, 1, 5 0.1 to 2.77K Thermoplastic (1) WSC2515 WSC2515 2515 1.0 0.5, 1, 5 0.1 to 2.5K Thermoplastic (2) WSC0002 WSC-2 4527 2.0 0.5, 1, 5 0.1 to 4.92K Thermoplastic WSC4527 WSC4527 4527 2.0 0.5, 1, 5 0.1 to 4.92K Thermoplastic WSC6927 WSC6927 6927 3.0 0.5, 1, 5 0.1 to 8K Thermoplastic 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 (1) 0.1 % and 0.25 % is available on the WSC2515 for 0.499 to 2.5 k range (2) 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 UNIT WSC01/2 WSC0001 WSC2515 WSC0002 WSC4527/WSC6927 0.1 to 0.3 = 150 0.1 to 0.3 = 150 0.1 to 0.99 = 90 0.1 to 0.99 = 90 Temperature 0.1 to 0.99 = 90 0.31 to 0.99 = 90 0.31 to 0.99 = 90 ppm/C 1.0 to 26.5 = 50 1.0 to 9.9 = 50 Coefficient 1.0 to 4.99 = 50 1.0 to 26.5 = 50 1.0 to 9.9 = 50 26.51 and above = 20 10.0 and above = 20 26.51 and above = 20 10 and above = 20 Dielectric Withstanding V > 500 > 500 > 500 > 500 > 500 AC Voltage 9 9 9 9 9 Insulation Resistance > 10 > 10 > 10 > 10 > 10 Operating Temperature C - 65 to + 175 - 65 to + 275 - 65 to + 275 - 65 to + 275 - 65 to + 275 Range Maximum Working 1/2 1/2 1/2 1/2 1/2 V(P x R) (P x R) (P x R) (P x R) (P x R) Voltage Weight/1000 pieces g 90 165 165 760 760/1675 (typical) GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSC2515R7000FEA (preferred part numbering format) W SC 2515 R 7 000 F E A GLOBAL MODEL SIZE VALUE TOLERANCE PACKAGING SPECIAL (3) WSC 01/2 R = Decimal B = 0.1 % EA = Lead (Pb)-free, tape/reel (Dash number) (3) WSN 0001 K = Thousand C = 0.25 % EK = Lead (Pb)-free, bulk (Up to 2 digits) 2515 R7000 = 0.70 D = 0.5 % From 1 to 99 TA = Tin/lead, tape/reel (R86) 0002 1K500 = 1.5 k F = 1.0 % as applicable BA = Tin/lead, bulk (B43) 4527 G = 2.0 % 6927 H = 3.0 % J = 5.0 % K = 10 % Historical Part Number example: WSC-1 0.7 1 % R86 (will continue to be accepted, but will be supplied as WSC0001R7000FTA WSC-1 0.7 1 % R86 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE PACKAGING Note (3) WSC2515 only * Pb containing terminations are not RoHS compliant, exemptions may apply www.vishay.com For technical questions, contact: ww2aresistors vishay.com Document Number: 30102 310 Revision: 28-Jan-10WSC, WSN Wirewound Resistors, Vishay Dale Precision Power, Surface Mount DIMENSIONS in inches (millimeters) W H b l W 1 a T L DIMENSIONS SOLDER PAD DIMENSIONS MODEL LH T W W ab l 1 0.200 0.020 0.096 0.015 0.040 0.010 0.125 0.005 0.050 0.010 WSC01/2 0.085 2.16 0.070 1.78 0.080 2.03 2.44 0.381 1.02 0.254 3.18 0.127 1.27 0.254 5.08 0.508 0.250 0.020 0.110 0.015 0.045 0.010 0.150 0.005 0.098 0.005 WSC0001 0.090 2.29 0.115 2.92 0.120 3.05 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 WSC2515 0.090 2.29 0.115 2.92 0.120 3.05 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 WSC0002 0.155 3.94 0.230 5.84 0.205 5.21 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 WSC4527 0.155 3.94 0.230 5.84 0.205 5.21 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 WSC6927 0.155 3.94 0.235 5.97 0.470 11.94 17.53 0.813 7.11 0.381 2.54 0.254 6.98 0.127 5.46 0.381 120 200 100 WSC0002 WSC4527 WSC6927 150 80 (1) WSC01/2 WSC0001 WSC0001 (1) WSC0002 WSC2515 WSC2515 60 100 WSC4527 WSC6927 40 50 20 WSC01/2 0 0 0 0.5 1.0 1.5 2.0 2.5 3.0 - 65 - 25 25 75 125 175 225 275 Power in W Ambient Temperature in C 70 Temperature Rise Derating 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 CONDITIONS OF TEST TEST LIMITS Thermal Shock - 55 C to + 150 C, 1000 cycles, 15 min at each extreme (0.5 % + 0.05 ) R Short Time Overload 5 x rated power for 5 s (0.2 % + 0.05 ) R Low Temperature Storage - 65 C for 24 h (0.2 % + 0.05 ) R High Temperature Exposure 1000 h at + 275 C (+ 175 C for WSC01/2) (0.5 % + 0.05 ) R Bias Humidity + 85 C, 85 % RH, 10 % Bias, 1000 h (0.2 % + 0.05 ) R Mechanical Shock 100 gs for 11 ms, 5 pulses (0.1 % + 0.05 ) R Vibration Frequency varied 10 Hz to 500 Hz in 1 min, 3 directions, 9 h (0.1 % + 0.05 ) R Load Life 1000 h at rated power, + 70 C, 1.5 h ON, 0.5 h OFF (1.0 % + 0.05 ) R Resistance to Solder Heat + 260 C solder, 10 s to 12 s dwell, 25 mm/s emergence (0.5 % + 0.05 ) R PACKAGING REEL MODEL TAPE WIDTH DIAMETER PIECES/REEL CODE WSC01/2 12 mm/embossed plastic 330 mm/13 2000 EA/TA WSC0001/WSC2515 16 mm/embossed plastic 330 mm/13 2000 EA/TA WSC0002/WSC4527 24 mm/embossed plastic 330 mm/13 1200 EA/TA WSC6927 32 mm/embossed plastic 330 mm/13 725 EA/TA Note Embossed Carrier Tape per EIA-481-1, 2, 3 Document Number: 30102 For technical questions, contact: ww2aresistors vishay.com www.vishay.com Revision: 28-Jan-10 311 Temperature Rise in C Rated Power in %