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WSL3921 Datasheet(PDF) 2 Page - Vishay Siliconix |
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WSL3921 Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 2 page Document Number: 30110 For technical questions contact: ww2bresistors@vishay.com www.vishay.com Revision: 29-Mar-05 207 WSL3921 and WSL5931 Power Metal Strip® Resistors, Low Value, Surface Mount Vishay Dale DIMENSIONS H L T W D I d b MODEL DIMENSIONS in inches [millimeters] LW H T WSL3921 0.394 ± 0.010 [10.0 ± 0.254] 0.205 ± 0.010 [5.20 ± 0.254] 0.020 [0.5] 0.080 ± 0.010 [2.00 ± 0.254] WSL5931 0.591 ± 0.010 [15.0 ± 0.254] 0.305 ± 0.010 [7.75 ± 0.254] 0.020 [0.5] 0.157 ± 0.010 [4.00 ± 0.254] MODEL SOLDER PAD DIMENSIONS in inches [millimeters] db l WSL3921 0.106 ± 0.010 [2.70 ± 0.254] 0.244 ± 0.010 [6.20 ± 0.254] 0.220 ± 0.005 [5.60 ± 0.13] WSL5931 0.205 ± 0.010 [5.20 ± 0.254] 0.344 ± 0.010 [8.75 ± 0.254] 0.220 ± 0.005 [5.60 ± 0.13] Embossed carrier tape per EIA-481-1A. 70 Derating 120 100 80 60 40 20 0 -65 -50 -25 0 25 50 75 100 125 150 175 Ambient Temperature in °C GLOBAL MODEL RESISTANCE VALUE m Ω “D” THICKNESS ELEMENT MATERIAL WSL3921 0.3 0.0510 Mn-Cu WSL3921 0.5 0.0300 Mn-Cu WSL3921 1.0 0.0150 Mn-Cu WSL3921 2.0 0.0270 Fe-Cr WSL3921 3.0 0.0170 Fe-Cr WSL3921 4.0 0.0130 Fe-Cr WSL5931 0.2 0.0485 Mn-Cu WSL5931 0.3 0.0300 Mn-Cu WSL5931 0.5 0.0180 Mn-Cu WSL5931 1.0 0.0330 Fe-Cr WSL5931 2.0 0.0155 Fe-Cr WSL5931 3.0 0.0105 Fe-Cr PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal Shock - 55°C to + 150°C, 1000 cycles, 15 minutes at each extreme ± (1.0% + 0.0005 Ω) ∆R Short Time Overload 5 x rated power for 5 seconds ± (0.5% + 0.0005 Ω) ∆R Low Temperature Storage - 65°C for 45 Min. ± (0.5% + 0.0005 Ω) ∆R High Temperature Exposure 1000 hours at + 175°C ± (1.0% + 0.0005 Ω) ∆R Bias Humidity + 85°C, 85% RH, 10% Bias, 1000 hours ± (0.5% + 0.0005 Ω) ∆R Mechanical Shock 100g’s for 6 milliseconds, 5 pulses ± (0.5% + 0.0005 Ω) ∆R Vibration Frequency varied 10 to 2000Hz in one minute, 3 directions, 12 hours ± (0.5% + 0.0005 Ω) ∆R Load Life 1000 hours at + 70°C, 1.5 hours “ON”, 0.5 hours “OFF” ± (1.0% + 0.0005 Ω) ∆R Resistance to Solder Heat + 260°C Solder, 10 - 12 second dwell, 25mm/second emergence ± (0.5% + 0.0005 Ω) ∆R Moisture Resistance MIL-STD-202, Method 106, 0% power, 7a and 7b not required ± (0.5% + 0.0005 Ω) ∆R PACKAGING MODEL REEL TAPE WIDTH DIAMETER PIECES/REEL CODE WSL3921 16mm/Embossed Plastic 330mm/13" 3000 EA WSL5931 16mm/Embossed Plastic 330mm/13" 2000 EA |
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