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| www..com WSC, WSN Vishay Dale Wirewound Resistors, Precision Power, Surface Mount FEATURES * All welded construction * Molded encapsulation * Wrap around terminations * SnPb electro tin plated terminations * Excellent stability at different environmental conditions * High power ratings * Superior surge capability * Available in non-inductive styles with Aryton-Perry winding (WSN in lieu of WSC, maximum resistance is one-half WSC range) STANDARD ELECTRICAL SPECIFICATIONS MODEL SIZE INCH WSC-1/2 WSC-1 WSC2515 WSC-2 WSC4527 WSC6927 2012 2515 2515 4527 4527 6927 POWER RATING P70C W 0.5 1.0 1.0 2.0 2.0 3.0 TOLERANCE RESISTANCE RANGE ENCAPSULATION % 0.5, 1, 5 0.5, 1, 5 0.5, 1, 5 0.5, 1, 5 0.5, 1, 5 0.5, 1, 5 0.1 - 4.99 0.1 - 2.77k 0.1 - 2.77k 0.1 - 4.92k 0.1 - 4.92k 0.1 - 8k Epoxy Epoxy Thermoplastic Epoxy Thermoplastic Thermoplastic * Part Marking: 1/2W - DALE, Value; 1W - Model, Value, Tolerance, Date Code; 2W & 3W - DALE, Model, Value, Tolerance, Date Code. TECHNICAL SPECIFICATIONS PARAMETER Temperature Coefficient UNIT ppm/C WSC-1/2 0.1 - 0.99 = 90 1.0 - 4.99 = 50 WSC-1 WSC2515 WSC-2 WSC4527/WSC6927 0.1 - 0.3 = 150 0.31 - 0.99 = 90 1.0 - 9.9 = 50 10 and above = 20 > 500 > 109 - 65/ + 275 (P x R)1/2 760 / 1675 0.1 - 0.99 = 90 0.1 - 0.99 = 90 0.1 - 0.99 = 90 1.0 - 26.5 = 50 1.0 - 26.5 = 50 1.0 - 9.9 = 50 26.51 and above = 20 26.51 and above = 20 10.0 and above = 20 > 500 > 109 - 65/ + 175 (P x R)1/2 165 > 500 > 109 - 65/ + 275 (P x R)1/2 165 > 500 > 109 - 65/ + 175 (P x R)1/2 760 Dielectric Withstanding Voltage Insulation Resistance Operating Temperature Range Maximum Working Voltage Weight/1000 pieces (typical) VAC C V g > 500 > 109 - 65/ + 175 (P x R)1/2 90 ORDERING INFORMATION WSC2515 10 RESISTANCE 1.0% TOLERANCE % R86 PACKAGING B43 = Bulk Pack R86 = Tape and Reel www..com MODEL www.vishay.com 106 For technical questions, contact ww2aresistors@vishay.com Document Number 30102 Revision 06-Sep-01 www..com WSC, WSN Wirewound Resistors, Precision Power, Surface Mount DIMENSIONS W MODEL L WSC-1/2 H WSC-1 WSC2515 WSC-2 T L WSC4527 l b WSC6927 Vishay Dale W W1 DIMENSIONS in inches [millimeters] H T 0.200 0.020 0.096 0.015 0.040 0.010 0.125 0.005 0.050 0.010 [5.08 0.508] [2.44 0.381] [1.02 0.254] [3.18 0.127] [1.27 0.254] 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] 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] W1 a MODEL WSC-1/2 WSC-1 WSC2515 WSC-2 WSC4527 WSC6927 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] Temperature Rise in C 150 WSC-2 WSC4527 WSC-1/2 WSC-1 WSC2515 WSC6927 Rated Power in % 200 120 100 80 60 40 WSC2515 WSC4527 WSC6927 100 50 20 0 0 0.5 1.0 1.5 2.0 2.5 3.0 Power in W 0 WSC-1/2 WSC-1 WSC-2 -65 -25 25 75 70 125 175 225 275 Ambient Temperature in C Temperature Rise 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 - 55C to + 150C, 1000 cycles, 15 minutes at each extreme 5 x rated power for 5 seconds - 65C for 24 hours 1000 hours at + 275C (+ 175C for WSC-1/2, WSC-1 and WSC-2) + 85C, 85% RH, 10% Bias, 1000 hours 100g's for 11 milliseconds, 5 pulses Frequency varied 10 to 500Hz in one minute, 3 directions, 9 hours 1000 hours at rated power, + 70C, 1.5 hours "ON", 0.5 hours "OFF" + 260C Solder, 10 -12 second dwell, 25mm/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 TAPE WIDTH WSC-1/2 WSC-1/WSC2515 WSC-2/WSC4527 12mm/Embossed Plastic 16mm/Embossed Plastic 24mm/Embossed Plastic DIAMETER 330mm/13" 330mm/13" 330mm/13" 330mm/13" REEL PIECES/REEL 2000 2000 1200 725 CODE R86 R86 R86 R86 www..com WSC6927 32mm/Embossed Plastic Embossed Carrier Tape per EIA-481-1, 2, 3 Document Number 30102 Revision 06-Sep-01 For technical questions, contact ww2aresistors@vishay.com www.vishay.com 107 |
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