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150W 25R F Aluminum Housed Resistor Wirewound Precharge For Military Industry

Categories Dynamic Braking Resistor
Brand Name: ZENITHSUN
Model Number: RH
Certification: RoHs
Place of Origin: Shenzhen,China
MOQ: 20pcs
Price: USD4.00-USD18.00
Payment Terms: T/T, L/C, D/A, D/P, Western Union,paypal
Delivery Time: 8-10 working days
Packaging Details: cartons /wooden case
Rated Power: 5W-500W
Resistance: 0.1Ω - 100KΩ
Tolerance: ±5%,±10%
Colour: Golden
Ends: solder lugs or wires
Inductance: Inductive /Non-inductive
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150W 25R F Aluminum Housed Resistor Wirewound Precharge For Military Industry


150W 25R F Aluminum Housed Wirewound Precharge Resistors For Military Industry


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.
3.Used for loading,braking,pulse,charging,discharging,starting,buffering,discharging,ect.


Features

1.We supply standard and custom designed aluminium housed resistors for general-purpose use,power supplies, power generation and the traction industry.
2.The RH is a range of extremely stable, high quality wire-wound resistors capable of dissipating high power in a limited space with relatively low surface temperature.
3.The power is rapidly dissipated as heat through the aluminium housing to a specified heatsink.
4.The resistors are made from quality materials for optimum reliability and stability.
5.We can test resistors to conform to relevant international or customer specifications.

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 used in Inverters,automation equipment,acoustics,prescaler,aging power testing,auto accessories,auto LED industry,Balancing resistor,filter,crowbar,capacitor charge & discharge.


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