Respectively load AC voltage by 5, 10, 16 times rared power for 5 minutes. Test the resistance value at normal temperature and normal temperature added 100℃ ,calculate per℃ resistance value change rate .ġ/4~4W: According 5 times rated voltage, 5~10W: According 10 times rated power to account the voltage or Max.overload voltage (get the lower) for 5 seconds.Īt 4 × rated voltage or Max. pulse overload voltage (get the lower) cycle 10000☒00 times(1 second on, 25 seconds off ). Note: a, We can according to customer ’ s requirmement to customize the resistor which is out of the mormal resistance range ī, If the calculated rated voltage is higher than the max. working voltage, it will be got the lower value. low temperature coefficient, low noise, high load power.Ģ,Operating ambient temperature:-55☌ to +275☌.ģ,Surface is nonflammable, the 1/4W-6W coating is gray white and indicate the resistance value by color ring, the 7W or over will indicate the resistance value by lettering or coating is green.Ĥ,Resistance tolerance: ☑%, ☒%,±5%,☑0%. KNR 330 ohm 5 color code 1k ohm of Wirewound Resistorġ, Good heat-durability.
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