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) Pb-free Available e3 RoHS* COMPLIANT STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE RANGE ENCAPSULATION GLOBAL HISTORICAL SIZE POWER RATING P70 C TOLERANCE % MODEL MODEL INCH W WSC01/2 WSC-1/2 2012 0.5 0.5, 1, 5 0.1 - 4.99 Epoxy WSC0001 WSC-1 2515 1.0 0.5, 1, 5 0.1 - 2.77K Epoxy WSC2515 WSC2515 2515 1.0 0.5, 1, 5 1) 0.1 - 2.77K Thermoplastic WSC0002 WSC-2 4527 2.0 0.5, 1, 5 0.1 - 4.92K Epoxy WSC4527 WSC4527 4527 2.0 0.5, 1, 5 0.1 - 4.92K Thermoplastic WSC6927 WSC6927 6927 3.0 0.5, 1, 5 0.1 - 8K Thermoplastic Note * Part Marking: 1/2 W - DALE, Value; 1 W - Model, Value, Tolerance, Date Code; 2 W & 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. TECHNICAL SPECIFICATIONS PARAMETER UNIT WSC01/2 WSC0001 0.1 - 0.99 = 90 0.1 - 0.99 = 90 1.0 - 26.5 = 50 ppm/C 1.0 - 4.99 = 50 26.51 and above = 20 Temperature Coefficient Dielectric Withstanding Voltage Insulation Resistance Operating Temperature Range Maximum Working Voltage Weight/1000 pieces (typical) VAC WSC2515 WSC0002 WSC4527/WSC6927 0.1 - 0.3 = 150 0.1 - 0.3 = 150 0.1 - 0.99 = 90 0.31 - 0.99 = 90 0.31 - 0.99 = 90 1.0 - 9.9 = 50 1.0 - 26.5 = 50 10.0 and above = 20 1.0 - 9.9 = 50 26.51 and above = 20 10 and above = 20 > 500 > 500 > 500 > 500 > 500 109 109 109 109 > 109 > > > > C - 65/+ 175 - 65/+ 175 - 65/+ 275 - 65/+ 175 - 65/+ 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 New Global Part Numbering: WSC2515R7000FEA (preferred part numbering format) W GLOBAL MODEL WSC WSN S C 2 SIZE 01/2 0001 2515 0002 4527 6927 5 5 1 VALUE R = decimal K = thousand 54R15 = 54.15 1K500 = 1.5 k R 7 0 TOLERANCE B = 0.1 % 2) C = 0.25 % 2) D = 0.5 % F = 1.0 % G = 2.0 % H = 3.0 % J = 5.0 % K = 10 % 0 0 F E A PACKAGING EA = Lead (Pb)-free, tape/reel EK = Lead (Pb)-free, bulk TA = Tin/Lead, Tape/reel (R86) BA = Tin/Lead, bulk (B43) SPECIAL (Dash Number) (up to 2 digits) From 1-99 as applicable Historical Part Number example: WSC2515 0.7 1 % R86 (will continue to be accepted) WSC2515 0.7 1% R86 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING Note 2) WSC2515 only * Pb containing terminations are not RoHS compliant, exemptions may apply www.vishay.com 310 For technical questions, contact: ww2aresistors@vishay.com Document Number: 30102 Revision: 03-Aug-07 WSC, WSN Wirewound Resistors, Precision Power, Surface Mount Vishay Dale DIMENSIONS W H b l W1 a T L MODEL WSC01/2 WSC0001 WSC2515 WSC0002 WSC4527 WSC6927 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] 200 WSC0002 WSC4527 150 WSC01/2 Rated Power in % Temperature Rise in C DIMENSIONS in inches [millimeters] H T W 0.096 0.015 0.040 0.010 0.125 0.005 [2.44 0.381] [1.02 0.254] [3.18 0.127] 0.110 0.015 0.045 0.010 0.150 0.005 [2.79 0.381] [1.14 0.254] [3.81 0.127] 0.110 0.015 0.045 0.010 0.150 0.005 [2.79 0.381] [1.14 0.254] [3.81 0.127] 0.162 0.015 0.100 0.010 0.275 0.005 [4.11 0.381] [2.54 0.254] [6.98 0.127] 0.167 0.010 0.100 0.010 0.275 0.005 [4.24 0.254] [2.54 0.254] [6.98 0.127] 0.280 0.015 0.100 0.010 0.275 0.005 [7.11 0.381] [2.54 0.254] [6.98 0.127] 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 in inches [millimeters] 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 WSC2515 WSC4527 WSC6927 60 40 50 WSC01/2 WSC0001 WSC0002 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 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 minutes at each extreme 5 x rated power for 5 seconds - 65 C for 24 hours 1000 hours at + 275 C (+ 175 C for WSC01/2, WSC0001 and WSC0002) + 85 C, 85 % RH, 10 % Bias, 1000 hours 100 g's for 11 milliseconds, 5 pulses Frequency varied 10 to 500 Hz in one minute, 3 directions, 9 hours 1000 hours at rated power, + 70 C, 1.5 hours "ON", 0.5 hours "OFF" + 260 C Solder, 10 - 12 second dwell, 25 mm/second 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: 03-Aug-07 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 Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Vishay for any damages resulting from such improper use or sale. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1