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25W Led Load Resistor High Power Aluminium Cased Surface Mount

    Buy cheap 25W Led Load Resistor High Power Aluminium Cased Surface Mount from wholesalers
     
    Buy cheap 25W Led Load Resistor High Power Aluminium Cased Surface Mount from wholesalers
    • Buy cheap 25W Led Load Resistor High Power Aluminium Cased Surface Mount from wholesalers
    • Buy cheap 25W Led Load Resistor High Power Aluminium Cased Surface Mount from wholesalers

    25W Led Load Resistor High Power Aluminium Cased Surface Mount

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    Brand Name : ZENITHSUN
    Model Number : RH
    Certification : RoHs
    Price : USD2.00-USD8.00
    Payment Terms : T/T, L/C, D/A, D/P, Western Union,paypal
    Delivery Time : 8-10 working days
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    25W Led Load Resistor High Power Aluminium Cased Surface Mount


    25W High Power Aluminium Cased Led Load Resistors ,Surface Mount


    Structure :

    1.The resistors core components are made of insulating and high-temperature resistant materials as the resistors framework,evenly wound with high-quality alloy wires.Metal aluminum shell potted with high insulation non-combustible electronic paste,so that the aluminum shell and the resistance core components are closely combined into a solid entity,not affected by external air,vibration and dust,high stability and thermal conductivity.
    2.The aluminum shell is made of high-quality industrial 6063 aluminum,and the surface is high-temperature anodized to achieve attractive appearance and great heat dissipation.


    Features

    1.RH&NH Aluminum Resistor is also called metal aluminum resistor,non-induction aluminum resistor,golden aluminum resistor,LED aluminum Resistor,etc. according to different applications and customs.Aluminum alloy shell with grooves on the surface for better dissipation.
    2.Owning small size,high power rating,resistance to high temperature and high over load,high precision,high stability,strong construction,favorable mechanical protection,easy installation,etc.
    3.RH&NH aluminum resistor is also the best alternative for current sense resistor,standard low-induction resistor and untra precision resistor.
    4.Used for loading,braking,pulse,charging,discharging,starting,buffering, discharging,ect.


    Specification

    Performance Charactertics
    TestConditions of TestTesting Results
    Resistance ToleranceTesting Voltage ≤3V,Ambient Temperature 25℃B---D---F---G---J--K
    Temperature CoefficientsR0:Room Temperature(T0)Resistance Value
    R1:Room Temperature T0+100℃(T1)Resistance Value
    ±100~±250PPM/℃
    Rated Load40℃,rated voltage,1hour△R≤±(3%+0.1Ω)
    Short Time Overload5 times rated power for 10s;10 times rated power for 5s;25 times rated power for 1s△R≤±(2%+0.1Ω)
    Dielectric Withstand Voltage2 times Rated Power Voltage +1kv AC 60s (with grounding), leakage current 2.5mA ;
    2 times Rated Power Voltage +2kv AC 60s (with grounding), leakage current 2.5mA ;
    △R≤±(0.1%+0.05Ω)
    Insulation Resistance1000V DC50M-1000MΩ1Min
    Terminal Tensile Strengthwire diameter ≤1.5 with 20N,wire diameter ≥1.5 with 40N,terminal tension 20N
    copper end /stainless steel end,40N
    No off
    Vibration resistance1.5mm,10-55-10Hz,each 2hoursNo damage,No off
    Load Lifeat rated voltage,90 min "On",30 min "Off" ,total 500hours△R≤±(3%+0.1Ω)
    Thermal ShockAt 30℃,30min,-55℃,15min△R≤±(0.5%+0.1Ω)
    Humidity ResistanceTemp.:40±2℃ ,Humidity: 90%-95%.240hours△R≤±(3%+0.1Ω)
    Low Temperature Resistance Testingstore at -65℃±3℃ for 2H△R≤±(1%+0.1Ω)
    High Temperature Resistance Testingstore at 70 ℃± 2 ℃ for 16h, connect the rated voltage DC circuit for 1s△R≤±(1%+0.1Ω)
    Non-flammability10 times rated power, power on for 5swithout combustion

    Applications

    Widely welding,power supply,military industry,aviation,wind power generation, solar power generation,automation equipment,railway system and other industries,and can be made into load banks according to the customers requests.


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