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RX27-1 Ceramic Housed Wirewound Resistor

Categories Ceramic Cement Resistor
Brand Name: HUAXING
Model Number: RX27-1
Place of Origin: China
MOQ: 1000
Payment Terms: T/T
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RX27-1 Ceramic Housed Wirewound Resistor

RX27-1 Ceramic-housed wirewound resistor

Product Introduction:

  • Product Features: Leads drawn axially, compact size, capable of handling high power loads.
    Encased in ceramic shell, flame retardant, classified as an insulated resistor.
  • Application Areas: Installation on printed circuit boards, generally used in DC or low-frequency AC circuits.
  • Product Standard: Detailed specifications of RX27 ceramic-encased power wirewound resistor under standard Q/RW370-1994.
  • Non-inductive products available upon negotiation, denoted by prefix "N" before the model number.
  • Production compliant with RoHS and REACH requirements can be provided.


Size:

specifications and modelsrated power(W)resistance range(Ω)Size (mm)
LW±1H±1Id±0.1
RX27-1-3W31.8~39022±18825±3

Φ0.8

RX27-1-5W59.59.5
RX27-1-7W73.3~91035±1
RX27-1-10W103.9~1.5K48±2
RX27-1-15W155.1~1.6K12.512.5
RX27-1-20W205.1~2.4K63±220±3


Key Test Items:

Inspection ItemsInspection ConditionsPerformance RequirementsReference Standards
Voltage withstand capabilityVoltage: 1000Vac, 1 min, V-shape methodNo breakdown, arcingGB/T 5729-1985 Section 4.7
Resistance value Variation with temperatureLower category temperature: (-55±3)℃ Upper category temperature: (+155±2)℃10Ω: ±250ppm/℃
5-10Ω: ±500ppm/℃
≤5Ω: No specified requirement
GB/T 5729-1985 Section 4.8
Overload capability10 times rated power load for 5sΔR ≤ ±(2%R + 0.1Ω)GB/T 5732-1985 Section 2.3.4
Lead strengthTensile strength: 20N, 10sΔR ≤ ±(1%R + 0.05Ω)GB/T 2423.29-1982
SolderabilityDipping slot temperature: (235±5)℃, immersion time: (2±0.5)sEvenly tinned, free flowingGB/T 2423.28-1982
Resistance to soldering heatDipping slot temperature: (350±10)℃, immersion time: (3.5±0.5)sΔR ≤ ±(1%R + 0.05Ω)GB/T 2423.28-1982
Rapid temperature changesTemperature range: (-55 to +125)℃, 5 cyclesΔR ≤ ±(2%R + 0.1Ω)GB/T 2423.22-1981
Impact resistanceAcceleration: 490m/s², time: 11ms, half sine waveΔR ≤ ±(2%R + 0.1Ω)GB/T 2423.05-1981
Vibration resistanceFrequency: (10 to 55)Hz, acceleration: 10g, 6hΔR ≤ ±(2%R + 0.1Ω)GB/T 2423.06-1981
70℃ test DurabilityAmbient temperature: (70±2)℃, rated power, 1.5h powered; 0.5h off, 1000hΔR ≤ ±(10%R + 0.1Ω)GB/T 5729-1985 Section 4.25.1
Maximum category temperature DurabilityAmbient temperature: 155℃, 58.5% rated power, 1.5h powered; 0.5h off, 1000hΔR ≤ ±(5%R + 0.1Ω)
Insulation resistance ≥ 1GΩ
GB/T 5729-1985 Section 4.25.3
Accidental overload test (flame retardancy)Power: 5 times; 10 times; 16 times rated power, duration: 5 min (or until open circuit)No visible flame or burning phenomenaSJ 3272-1990 Section 4.2.2


Power dissipation curve

Ordering Example:
Model Number :RX27-1
Rated Power:10W
Nominal Resistance:10Ω
Resistance Tolerance:±5%
Quantity:1000 pieces

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