WSC, WSN www.vishay.com Vishay Dale Wirewound Resistors, Precision Power, Surface Mount FEATURES All welded construction Molded encapsulation Wraparound terminations Excellent stability at different environmental conditions Available High power ratings (up to 3 W) Superior surge capability Available in non-inductive styles with Ayrton- Perry winding (WSN in lieu of WSC, maximum resistance is one-half WSC range) Available (1) AEC-Q200 qualified available Material categorization: Available for definitions of compliance please see www.vishay.com/doc 99912 Note Available (1) Flame retardance test may not be applicable to some resistor technologies. STANDARD ELECTRICAL SPECIFICATIONS GLOBAL HISTORICAL POWER RATING P RESISTANCE RANGE TOLERANCE WEIGHT (typical) 70 C SIZE 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 (2) WSC0001 WSC-1 2515 1 0.1 to 2.77K 0.5, 1, 5 165 Thermoplastic WSC2515 WSC2515 2515 1 0.1 to 2.5K 0.5, 1, 5 165 Thermoplastic (2) WSC0002 WSC-2 4527 2 0.1 to 4.92K 0.5, 1, 5 760 Thermoplastic WSC4527 WSC4527 4527 2 0.1 to 4.92K 0.5, 1, 5 760 Thermoplastic WSC6927 WSC6927 6927 3 0.1 to 8K 0.5, 1, 5 1675 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. (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 20 = 26.51 and above 20 = 10 and above 20 = 26.51 and above 20 = 10.0 and above Temperature 50 = 1.0 to 4.99 50 = 1.0 to 26.5 50 = 1.0 to 9.9 ppm/C 50 = 1.0 to 26.5 50 = 1.0 to 9.9 Coefficient 90 = 0.1 to 0.99 90 = 0.31 to 0.99 90 = 0.31 to 0.99 90 = 0.1 to 0.99 90 = 0.1 to 0.99 150 = 0.1 to 0.3 150 = 0.1 to 0.3 Dielectric V > 500 AC Withstanding Voltage 9 Insulation Resistance > 10 Operating C -65 to +175 -65 to +275 Temperature Range Maximum Working 1/2 V (P x R) Voltage GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSC2515R7000FEA W SC 251 5 R 7 00 0 F E A GLOBAL MODEL SIZE VALUE TOLERANCE PACKAGING SPECIAL WSC 01/2 R = Decimal D = 0.5 % EA = Lead (Pb)-free, tape/reel (Dash number) WSN 0001 K = Thousand F = 1.0 % EK = Lead (Pb)-free, bulk (Up to 2 digits) 2515 R7000 = 0.70 G = 2.0 % TA = Tin/lead, tape/reel (R86) From 1 to 99 0002 1K500 = 1.5 k H = 3.0 % BA = Tin/lead, bulk (B43) as applicable 4527 J = 5.0 % 6927 K = 10 % Historical Part Numbering example: WSC-1 0.7 1 % R86 WSC-1 0.7 1 % R86 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE PACKAGING Revision: 13-Apr-15 Document Number: 30102 1 For technical questions, contact: ww2bresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 WSC, WSN www.vishay.com Vishay Dale DIMENSIONS in inches (millimeters) W H b l W 1 a T L DIMENSIONS SOLDER PAD DIMENSIONS GLOBAL MODEL L H 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) (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 WSC0001 0.090 (2.29) 0.115 (2.92) 0.115 (2.92) (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) 0.455 0.020 0.167 0.010 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) (11.56 0.508) (4.24 0.254) (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) TEMPERATURE RISE DERATING 120 200 100 WSC0002 WSC4527 WSC6927 150 80 (1) WSC01/2 WSC0001 WSC0001 (1) WSC0002 WSC2515 WSC2515 60 WSC4527 100 WSC6927 40 50 20 WSC01/2 0 0 - 65 - 25 25 75 125 175 225 275 0 0.5 1.0 1.5 2.0 2.5 3.0 Ambient Temperature in C Power in W 70 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 6 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. Revision: 13-Apr-15 Document Number: 30102 2 For technical questions, contact: ww2bresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 Temperature Rise in C Rated Power in %