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 ArytonPerry winding (WSN in lieu of WSC, maximum resistance is one-half WSC range) Compliant to RoHS directive 2002/95/EC STANDARD ELECTRICAL SPECIFICATIONS POWER RATING P70 C TOLERANCE GLOBAL HISTORICAL SIZE RESISTANCE RANGE ENCAPSULATION MODEL MODEL INCH % W WSC01/2 WSC-1/2 2012 0.5 0.5, 1, 5 0.1 to 4.99 Epoxy WSC0001 WSC-1 2515 1.0 0.5, 1, 5 0.1 to 2.77K Thermoplastic (2) WSC2515 WSC2515 2515 1.0 0.5, 1, 5 (1) 0.1 to 2.5K Thermoplastic WSC0002 WSC-2 4527 2.0 0.5, 1, 5 0.1 to 4.92K Thermoplastic (2) 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 0.1 to 0.99 = 90 0.1 to 0.99 = 90 ppm/C 1.0 to 4.99 = 50 1.0 to 26.5 = 50 26.51 and above = 20 Temperature Coefficient Dielectric Withstanding Voltage Insulation Resistance Operating Temperature Range Maximum Working Voltage Weight/1000 pieces (typical) WSC2515 WSC0002 0.1 to 0.3 = 150 0.1 to 0.99 = 90 0.31 to 0.99 = 90 1.0 to 9.9 = 50 1.0 to 26.5 = 50 10.0 and above = 20 26.51 and above = 20 WSC4527/WSC6927 0.1 to 0.3 = 150 0.31 to 0.99 = 90 1.0 to 9.9 = 50 10 and above = 20 VAC > 500 > 500 > 500 > 500 > 500 > 109 > 109 > 109 > 109 > 109 C - 65 to + 175 - 65 to + 275 - 65 to + 275 - 65 to + 275 - 65 to + 275 V (P x R)1/2 (P x R)1/2 (P x R)1/2 (P x R)1/2 (P x R)1/2 g 90 165 165 760 760/1675 GLOBAL PART NUMBER INFORMATION Global Part Numbering example: WSC2515R7000FEA (preferred part numbering format) W S C GLOBAL MODEL WSC WSN 2 SIZE 01/2 0001 2515 0002 4527 6927 5 1 5 R 7 0 0 0 F E A VALUE TOLERANCE PACKAGING SPECIAL R = Decimal K = Thousand R7000 = 0.70 1K500 = 1.5 k B = 0.1 % (3) C = 0.25 % (3) EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk (Dash number) (Up to 2 digits) From 1 to 99 as applicable D = 0.5 % F = 1.0 % G = 2.0 % H = 3.0 % J = 5.0 % K = 10 % TA = Tin/lead, tape/reel (R86) BA = Tin/lead, bulk (B43) 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 WSC2515 only * Pb containing terminations are not RoHS compliant, exemptions may apply (3) www.vishay.com 310 For technical questions, contact: ww2aresistors@vishay.com Document Number: 30102 Revision: 28-Jan-10 WSC, WSN Wirewound Resistors, Precision Power, Surface Mount Vishay Dale DIMENSIONS in inches (millimeters) W H b l W1 a T L MODEL WSC01/2 WSC0001 WSC2515 WSC0002 WSC4527 H DIMENSIONS T W W1 0.096 0.015 [2.44 0.381] 0.040 0.010 [1.02 0.254] 0.125 0.005 [3.18 0.127] 0.050 0.010 [1.27 0.254] 0.110 0.015 [2.79 0.381] 0.110 0.015 [2.79 0.381] 0.162 0.015 [4.11 0.381] 0.167 0.010 [4.24 0.254] 0.280 0.015 [7.11 0.381] 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] 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] 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] 200 WSC0002 WSC4527 150 WSC01/2 Rated Power in % Temperature Rise in C 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] 0.445 0.032 [11.30 0.813] 0.455 0.020 [11.56 0.508] 0.690 0.032 [17.53 0.813] WSC6927 WSC0001 WSC2515 100 SOLDER PAD DIMENSIONS a b l 0.085 [2.16] 0.070 [1.78] 0.080 [2.03] 0.090 [2.29] 0.115 [2.92] 0.120 [3.05] 0.090 [2.29] 0.115 [2.92] 0.120 [3.05] 0.155 [3.94] 0.230 [5.84] 0.205 [5.21] 0.155 [3.94] 0.230 [5.84] 0.205 [5.21] 0.155 [3.94] 0.235 [5.97] 0.470 [11.94] 120 100 80 WSC0001 (1) WSC0002 (1) WSC2515 WSC4527 WSC6927 60 40 50 WSC01/2 20 0 0 0.5 1.0 1.5 2.0 2.5 0 - 65 3.0 Power in W Temperature Rise - 25 25 Derating 75 70 125 175 225 275 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 REEL TAPE WIDTH 12 mm/embossed plastic 16 mm/embossed plastic 24 mm/embossed plastic 32 mm/embossed plastic WSC01/2 WSC0001/WSC2515 WSC0002/WSC4527 WSC6927 Note * Embossed Carrier Tape per EIA-481-1, 2, 3 Document Number: 30102 Revision: 28-Jan-10 DIAMETER 330 mm/13" 330 mm/13" 330 mm/13" 330 mm/13" PIECES/REEL 2000 2000 1200 725 For technical questions, contact: ww2aresistors@vishay.com CODE EA/TA EA/TA EA/TA EA/TA www.vishay.com 311 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