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RWST30250B48R8JBO1 Datasheet(PDF) 2 Page - Vishay Siliconix |
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RWST30250B48R8JBO1 Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 5 page Document Number: 50017 For technical questions, contact: sfer@vishay.com www.vishay.com Revision: 12-May-09 62 RWST Fixed Wirewound High Power Vitreous Resistors Electrical Traction Model Vishay Sfernice MECHANICAL SPECIFICATIONS Mechanical Protection Vitreous enamel Resistive Element Ni-Cr wire Connections CS supporting collars AN Collar or B on Request Average Unit Weight 225 g to 2200 g ENVIRONMENTAL SPECIFICATIONS Temperature Limits - 55 °C + 450 °C Climatic Category - 55 °C/+ 200 °C/56 days DIMENSIONS in millimeters RWST STYLE 25 x 138 25 x 168 30 x 250 40 x 370 50 x 373 Connections AN-B CS type 1 AN-B CS type 1 AN-B CS type 1 AN CS type 2 AN CS type 2 A ± 2 138 168 250 370 373 Ø B max. 28 28 33 45 53 Ø C min. 12 12 17 22 27.1 D 50 ± 1.5 50 ± 1.5 60 ± 1.5 69 max. 80 max. E 27 ± 1 27 ± 1 30 ± 1 45 ± 1.5 51 ± 1.5 F ± 0.5 24 24 25 30 30 G - 4/+ 0 199 229 317 432 432 H - 4/+ 0 169 199 287 405 405 J ± 0.5 6.5 6.5 9 9 9 K 28.5 ± 1 28.5 ± 1 31 ± 1 45 ± 1.5 51 ± 1.5 L - 0/+ 0.5 9 9 13 18 18 N 117 ± 2 147 ± 2 227 ± 2 332 ± 3 332 ± 3 P 51 ± 1.5 51 ± 1.5 55 ± 1.5 81.5 max. 92.5 max. Q - 0/+ 0.5 15 15 18 - - R - 0.3/+ 0.9 26 26 31 - - S max. 38.5 38.5 43.5 - - T ± 1 23.5 23.5 26 - - Ø U 5.7 5.7 5.7 9.2 9.2 V 33.5 ± 1 33.5 ± 1 36 ± 1 57 ± 1.5 63 ± 1.5 Z 6 6 5 10 11.5 Average unit weight in g (CS collars) 225 250 445 1400 2200 ELECTRICAL SPECIFICATIONS Resistance Range 2.7 Ω to 430 kΩ E12-E24 preferred series values) Resistance Tolerance Standard ± 5 % Power Rating 95 W to 800 W at 25 °C Temperature Coefficient 75 ppm/°C (typical) Shelf Life 0.1 % year (typical) PERFORMANCE TESTS CONDITIONS REQUIREMENTS TYPICAL VALUES AND DRIFTS Short Time Overload 10 Pr during 5 s Voltage limited at < 5000 V 2 % or 0.05 Ω 0.5 % Climatic Sequence - 55 °C + 200 °C 2 % or 0.05 Ω Insulation resistance 100 M Ω 0.5 % Humidity (Steady State) 56 days 95 % relative humidity 3 % or 0.05 Ω Insulation resistance 100 M Ω 0.5 % Thermal Shock Load at 100 % Pr followed by cold temperature exposure at - 55 °C/15' 2 % or 0.05 Ω 0.5 % Shock Severity 50 A 9 shocks/each side 1 % or 0.05 Ω 0.25 % Vibration Severity 55B 1 % or 0.05 Ω 0.25 % Terminal Strength AN B Traction 40 Ncm Torque 60 Ncm 1 % or 0.05 Ω 0.5 % Load Life 90'/30' cycle 1000 h at Pr 25 °C 5 % 1000 h 1 % 5000 h 2 % |
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