High-performance RXFG Aluminum Housing Wire Wound Resistors 1200W-6000W
►Performance testing
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Test Item
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Test Considion
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Performance
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Temperature Coefficient
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The resistance value at normal temperature & normal temperature added 100 ℃ calcuate per ℃ resistance value change rate
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±300 ppm / ℃
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Load lif in heat
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Overload rated voltage or max working voltage ( get the lower ) for 1000 hours ( 1.5 hours on and half hour off)at 70 ±2 ℃
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△ R ≤ ±(5%R .+ 0.05 Ω)
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Short time overload
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According 10 times rated power to account the voltage or max overload voltage ( get the lower ) for 5 seconds
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△ R≤ ±(2%R .+ 0.05 Ω)
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Resistance to soldering heat
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Immerge into the 350±10 ℃ tin stove for 2-3 seconds
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△ R≤ ±(1%R .+ 0.05 Ω)
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Load life in humidity
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Overload rated voltage or max working voltage ( get the lower ) for 1000 hours ( 1.5 hours on and half hour off)at 40 ±2 ℃ &90-95% relative humidity
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△ R ≤ ±(5%R .+ 0.05 Ω)
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Solderadility
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Immerge into the 235±3 ℃ tin stove for 2-3 seconds
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The solder area is over 95%
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Temperature cycling
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At -55 ℃ for 30 mins , then at +25℃ for 10-15 mins then at +155 ℃ for 30 mins , then at at +25℃ for 10-15 mins , total 5 cycles
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△ R ≤ ±(1%R .+ 0.05 Ω)
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Nonflammability
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Respectively load AC voltage by 5 , 10 ,16 times rated power for 5 mins
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No visible flame
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Terminal Strength
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Pull : 10N
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△ R ≤ ±(2%R .+ 0.1 Ω)
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Vibration
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Frequency: 10-15 HZ , Swing : 0.75mm , Test Time : 6 hours
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△ R ≤ ±(2%R .+ 0.1 Ω)
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►Product specifications
The shell of this product is made of aluminum alloy, which is beautiful in appearance, easy to install and can be used in combination. It is widely used in high-demand electrical circuits such as power supplies, frequency converters, and servo systems.
◇Power range: 50W~2500W
◇Voltage range: 0.5KV—10KV ◇Resistance range: 1R-1KR ◇Withstand voltage: AC2.5KV-20KV/1min 50Hz ◇IP rating: IP00
◇Vibration: 1g
◇Rated temperature rise: 375°C ◇Temperature drift: 80~400ppm/°C ◇Carrier fluid material: 0Cr25AL5//Ni80Cr20 ◇Advantage: relatively harsh working environment.
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►Workshop and Lab view
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