• Model Number: Power Resistor
• Place of Origin: Guangdong, China
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Description



Power Resistor:





I£®Features:

1. Radial glassfibre core

2. Coated type

II. Dimension and Structure














Type



Power



Resistance Range



Dimension(mm)





Min



Max



L



RM





290-0/1



2.0W



R1



2K2



18.2



10.2





292-0/1



4.0W



R18



3K3



23.3



15.2





294-0/1



5.0W



R18



5K1



33.4



25.4





296-0/1



6.5W



R22



7K5



43.5



35.4





298-0/1



8.0W



R51



9K1



53.7



45.7





























III.Electrical Characteristics









Item



Performance requirement





Temperature Coefficient:



± 250ppm/¡æ





Short time overload:



ΔR≤±(1% R0+0.05Ω)





Tolerances



±5%(J),±10%(K)





Climatic category:



55/155/21





Temperature range:



-55¡æ-275¡æ





Derating:



The rated power of the resitor will be derate from 100% to 0 when the working
temperature rise from 70¡æ to 200¡æ





load life:



ΔR≤±(5% R0+0.1Ω)





Damp heat,steady state



ΔR≤±(5% R0+0.1Ω)





Terminal tensile strength



ΔR≤±(1% R0+0.05Ω)





Resistance to sold,heat



ΔR≤±(1% R0+0.05Ω)





Solderability



IEC68-2-20 235¡æ±5¡æ ,2±0.5s(Solder bath method