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FW50A Arkusz danych(PDF) 1 Page - Bourns Electronic Solutions |
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1 / 4 page Features n Fusesat120Vor240V n E24resistancevalues n RoHScompliant* n UL1412recognized n CoatingmaterialmeetsUL94V-0 requirements Applications n Whitegoods n Inverters n Lighting n Metering FWxxASeriesFusiblePowerResistors *RoHSDirective2002/95/ECJan.27,2003includingannexandRoHSRecast2011/65/EUJune8,2011. Specificationsaresubjecttochangewithoutnotice. Thedevicecharacteristicsandparametersinthisdatasheetcananddovaryindifferentapplicationsandactualdevice performancemayvaryovertime. Usersshouldverifyactualdeviceperformanceintheirspecificapplications. DIMENSIONS: MM (INCHES) Electrical Characteristics Characteristic FW Series Power 1, 2, 3, 5, 7** W Resistance Range 4.7 ohms to 100 ohms (E24 values) UL 1412 Recognized Resistance Range 4.7 ohms to 47 ohms Tolerance 5 % TemperatureCoefficient ±200PPM/°C OperatingTemperatureRange -55°Cto+155°C MaximumVoltage √ P*R Fusing Point See Fusing Performance Chart Fusing Time See Fusing Performance Chart Product Dimensions General Introduction TheFWxxASeriesofaxialleadedwirewoundresistorsisdesignedtofuseunderabnormalconditionssuchassuddensurgesin voltage or circuit malfunctions. The resistor will fuse upon application of 120 or 240 voltages. Theresistorwillfusesafelyif120or240Visapplied.Thetimetofusedependsonthe resistance value. **7W=240Vaconly. Materials Resistor ............... Wire wound around a ceramic core Lead Wire ........................Tinned copper Housing ..........................Insulated resin CoatingMaterial ...........MeetsUL94V-0 requirements Agency Recognition Description UL 1412 FileNumber:E349323 HL D d (DIA.) H 63.0 ± 2.0 (2.5 ± 0.08) 10.0 ± 0.5 (0.39 ± 0.02) 75.0 ± 2.0 (2.95 ± 0.08) 6.0 ± 1.0 (0.24 ± 0.04) Model Dimensions D (Max.) L (Max.) H d FW10A(1W) 5.0 (.197) 12 (.472) 28±3.0 (1.102±.118) 0.55±0.05 (.022±.002) FW20A(2W) 6.0 (.236) 12 (.472) 28±3.0 (1.102±.118) 0.65±0.05 (.026±.002) FW30A(3W) 6.5 (.256) 16 (.630) 28±3.0 (1.102±.118) 0.75±0.05 (.030±.002) FW50A(5W) 7.5 (.295) 18 (.709) 28±3.0 (1.102±.118) 0.75±0.05 (.030±.002) FW70A(7W) 9.5 (.374) 26 (1.024) 38±3.0 (1.496±.118) 0.75±0.05 (.030±.002) How to Order FW 10 A 7R50 J A Model FW=Fusible Wirewound Rated Power 10 = 1.0 Watts 20 = 2.0 Watts 30 = 3.0 Watts 50 = 5.0 Watts 70 = 7.0 Watts Pin Style A=Axial Resistance Code •R<100ohms: “R” represents decimal point (examples:7R50=7.5ohms) •R≥100ohms: Firstthreedigitsaresignificant, fourthdigitrepresentsnumberof zeros to follow (example:1000=100ohms) Resistance Tolerance J=±5% Packaging A=AmmoPack •1,000pcs./box:FW10,FW20,FW30 •500pcs./box:FW50,FW70 Resistance Value (Ohms) Resistance Code 4.7 4R70 5.1 5R10 5.6 5R60 6.2 6R20 6.8 6R80 Popular Values Resistance Value (Ohms) Resistance Code 7.5 7R50 8.2 8R20 9.1 9R10 10.0 10R0 |
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