Product description of Rx27 Ceramic Variable Resistor/Cement
Power Wirewound Resistor.RX27 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~25W1413.560330.80.1~1K1K1~150KPower
rated Item2W3W5W7W10W15W20W~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. Changzhou Southern Electronic Element Factory
Co., Ltd. is located in China, with a long history. We enjoy
convenient transportation by highway, railway and airway. It takes
only one and half hours' Drive to Shanghai or Nanjing.Our company
was founded in 1989, and currently we employ more than 300 people,
including 60 professional technicians, covering an area of 10, 000
square meters, with a construction area of more than 5000 square
meters. Our main products are wirewound resistors, wirewound
resistor fuses, membrane fuse resistors, fixed inductors, filters,
ferrite transformers, ring-shaped coils, fuse dedicated
energy-saving lamps and UL fuses. Our annual output is 200 million
resistors, 200 million transformers, 100 million coils and 200
million fuses, which are mainly used for household appliances,
communication equipment, energy-saving lamps, automation control
devices (such as inverters), power equipment and facilities. Our
products are exported to Europe, the United States and Southeast
Asia. GE, OSRAM and PHILIPS are our customers.Factory' S quality
policy: "product quality, service in advance, customer
satisfaction".Environmental policy: "to comply with laws and
regulations, pollution prevention, environmental awareness,
continuous improvement of the environment"/* January 22, 2024
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