Changzhou Southern Electronic Element Factory Co., Ltd.  

Product Name: Rx27 Type 5W, 7W, 10W, 20W Cement Wire Wound Resistor with ISO9001 Model NO.: RX27 Brand: Liwang Application: Audio Shape: Square Quantity: Single Connection Type: Photoresistor Packaging: Surface Mount Material: Wire-wound Resistor Installation: DIP Resistor Function for Resistance: Shunt Resistor Resistance: Fixed Resistor Productor Name: Rx27 Type 5W,7W,10W,20W Cement Wire Wound Resistor Environmental Certification: ISO14000 Quality Certification: ISO9001: 2008 Safety Certification: CQC 03003095~3097 Other Certification: RoHS Trademark: Liwang Transport Package: Box Specification: ISO14000, ISO9001: 2008, CQC 03003095~3097 Origin: Changzhou Jiangsu China(Mainland) HS Code: 8533400000 Product Description Product description ofRX27 type 5W,7W,10W,20W cement wire wound resistor with ISO9001RX27 type cement resistors are dielectric strength, weldability strong, various specifications, wide use.Specifications ceramic wire wound resistor1. Heat and flame resistant2. Completely insulated character suitable for printed circuit board3. Rx27 cement resistors have many kinds of types.4. Performances are stableProductsCement type resistors (LW)SpecificationsPart NO.RXDimensionsResistance rangeW± 1H± 1L± 1.5C± 3D± 0.05KNMO2W7718300.80.1~270271~33K3W8822350.80.1~1K1K1~47K5W10922350.80.1~1K1K1~68K7W10935350.80.1~1K1K1~68K10W10948330.80.1~1K1K1~50K15W12.511.548330.80.1~1K1K1~150K20W~25W1413.560330.80.1~1K1K1~150K Power ratedItem2W3W5W7W10W15W20W~25WMax. working voltage150V350V350V500V750V1000V100VDielectric withstanding voltage1000V(AC)1000V(AC)1000V(AC)1000V(AC)1000V(AC)1000V(AC)1000V(AC)Resistance toleranceJ± 5%J± 5%J± 5%J± 5%J± 5%J± 5%J± 5%Cement Type Resistor (wire wound)CharacteristicsSpecificationsTest MethodDC ResistanceJIS-C-5202 5.1J ± 5%AT 25° CDielectric withstanding voltage JIS-C-5202 5.7No evidence of flashover mechanical amage, arcing or insulation breakdown.Resistance shall be clamped with a conductive material which conforms to resistors surface so that 90 o of the outer periphery is contacted a potential of 1000V AC shall be applied for 60 seconds.Insulation ResistanceJIS-C-5202 5.61000MΩ MINWithstanding test and shall be measured at DC 500V. Resistor shall be prepared AC same method of dielectric.Thermal ShockΔ R≤ ± (2%R0+0.1Ω )After application of rated power for 30 minutes, 30 minutes exposure to -30± 5° C ambient temperature.HumidityJIS-C-5202 7.5Δ R≤ ± (2%R0+0.1Ω )Temperature resistance change after 1000 hours exposure in a humidity test chamber controlled at 40± 2° C and 90~95% relative humidity.Cement Type Resistor (metal oxide film)Short time overloadΔ R≤ ± (2%R0+0.05Ω )Temperature resistance change after the application of a potential of 2.5 times RCVW for 5 seconds.Load LifeJIS-C-5202 7.10Δ R≤ ± (5%R0+0.1Ω )Permanent resistance change after 1000 hours operating at RCWV, with duty cycle of 1.5 hours on and 0.5 hours off at 25° C± 2° C.Load Life in HumidityJIS-C-5202 7.9Δ R≤ ± (5%R0+0.1Ω )Temperature resistance change after 1000 hours(1.5hours on and 0.5 hours off) at RCVW in a humidity chamber controlled at 40± 2° C and 90~95% relative humidity.SolderabilityJIS-C-5202 6.595% coverage MINTest temperature of solder: 230± 5° CDwell time in solder: 3± 0.5 SECNonflammabilityNonflammableLoad 5 min according to 5times, 10 times, 16 times rated power and A. C. respectively.All products of the size, electrical performance can be designed.If you have any questionsorrequirements,please contact us freely in any time.