Aluminum Encased Power Resistor

Aluminum Encased Power Resistor Products Aluminum Encased Braking Power Resistor Features Aluminum crust surface with good performance in heat radiation, suitable for cooling plate installation, can be used in the atrocious environment.Small size, high power load..High insulating capacity, encapsulation by non-flame inorganic Material, Good performance in vibration.Multi connection form will be easily to fix.Widely used in Power supply, transducer, elevator, arena audio and high requirement equipment industry.Resistance tolerance: ±1%,±2%,±5%,±10%.Specifications and dimensions Part No. Power Resistance Range DimensionsMax. Working VoltageWithstand Voltage L1±1.5 L2±1.5 L3±1.5 L4±1.5 B±1 H±1 D±0.5 CRX50B50W 1R-560R 75 90 100 4.5 30 13 4.5 300V 450V CRX100100W 1R-1K 104 118 130 6.0 42 21 6.0 400V 600V CRX150150W 1R-3K3 150 172 182 6.0 42 21 6.0 500V 750V Test ItemTest ConditionPerformanceTemperature Coefficient the resistance value at normal temperature and normal temperature added 100°C, calculate per °C resistance value change rate. ±300ppm/°CShort Time overload 2.5×rated voltage or Max. overload voltage(get the lower) for 5 seconds. R≤±(2%+0.05Ω) Resistance to soldering Heat Immerge into the 350±10°C tin stove for 2 3seconds R≤±(1%+0.05Ω) Solderability Immerge into the 245±3°C tin stove for 2 3seconds The soldering area is over 95% Temperature cycling At -55°C for 30 min. ,then at+25°C for 10 15°C,then at +125°C for 30 min., then at +25°C for 10 15 min., total 5cycles. R≤±(1%+0.05Ω) Load life in humidity Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 40±2°C and 90 95% relative humidity. R≤±(5%+0.05Ω) Load life in heat Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 70±2°C R≤±(5%+0.1Ω) Terminal strength Pull:10N R≤±(2%+0.1Ω) Vibration Frequency:10 55Hz. Swing:0.75mm.Test time:6hours. R≤±(2%+0.1Ω) Nonflammability Respectively load AC voltage by5,10,16times rated power for 5 minutes. No visible flame For more types and details, pls feel free to contact us.