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WK202070C1001FD500 Datasheet(PDF) 1 Page - Vishay Siliconix |
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WK202070C1001FD500 Datasheet(HTML) 1 Page - Vishay Siliconix |
1 / 5 page www.vishay.com For technical questions, contact: filmresistorsleaded@vishay.com Document Number: 20128 176 Revision: 26-May-10 WK/WR Vishay Draloric High Power Metal Oxide Leaded Resistors FEATURES • Rugged metal oxide film • High power dissipation in small size (1 W/0207 size to 4 W/0922 size) • High temperature coating (up to 200 °C), non-flammable • Lead (Pb)-free solder contacts • Pure tin plating provides compatibility with lead (Pb)-free and lead containing soldering processes • Compliant to RoHS directive 2002/95/EC Notes • Coating: Green • Marking: WK2 and WR4 have color code band marking. TCR band will be given to only WK2, 100 ppm, 5 %. WR5 and WK8 are printed marked. Notes (1) Rated Voltage (2) For values < 10R the upper limiting temperature is 155 °C. The power rating is correspondingly lower and can be calculated by Rth. STANDARD ELECTRICAL SPECIFICATIONS MODEL SIZE RATED DISSIPATION P70 W LIMITING ELEMENT VOLTAGE Umax. V ≅ TEMPERATURE COEFFICIENT ppm/K TOLERANCE % RESISTANCE RANGE E-SERIES WK2 0207 1.0 500 ± 50 ± 1 4.7 Ω to 1 MΩ E24, E96 WK2 0207 1.0 500 ± 100 ± 2 ± 5 4.7 Ω to 1 MΩ 4.7 Ω to 1 MΩ E24, E48 E24 WK2 0207 1.0 500 ± 200 ± 5 0.22 Ω to 1 MΩ E24 WR4 0414 2.0 500 ± 200 ± 2 ± 5 1 Ω to 1 MΩ 0.33 Ω to 1 MΩ E24, E48 E24 WR5 0617 3.0 750 ± 200 ± 2 ± 5 1 Ω to 100 kΩ 0.22 Ω to 560 kΩ E24, E48 E24 WK8 0922 4.0 750 ± 200 ± 2 ± 5 1 Ω to 68 kΩ 0.22 Ω to 100 kΩ E24, E48 E24 TECHNICAL SPECIFICATIONS PARAMETER UNIT WK2 WR4 WR5 WK8 Rated Dissipation, P70 W 1.0 2.0 3.0 4.0 Limiting Element Voltage, Umax.(1) V ≅ 500 500 750 750 Insulation Voltage, Uins (1 Min) V > 500 > 500 > 500 > 500 Thermal Resistance, Rth K/W ≤ 140 ≤ 100 ≤ 70 ≤ 60 Insulation Resistance Ω > 109 Category Temperature Range (2) °C - 55 to + 200 Failure Rate 10-8/h < 1 Weight g 0.2 0.7 1.5 3.5 P x R |
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