220k metal film resistor 1/4w 0.5 watt 1% tolerance

220k Resistors Metal Film 1/2 Watt 0.5w Plus 1% Tolerance

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220k Resistors Metal Film 1/2 Watt 0.5w Plus 1% Tolerance

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£0.36

(Quantity discounts available)


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Specification
Quantity Discounts

220k 1/2 Watt Metal Film Resistors. 0.5 Watt 220k with a 1% tolerance.

Good quality Metal Film Resistors. See our Multi Buy Discount Offers on these Electronic Components.Metal Film Resistors operate at higher tempuratures.

The resistor which uses metal film to limit the flow of electric current to certain level is called metal film resistor.

 

Metal film resistor construction

The metal film resistor construction is similar to the carbon film resistor except that the material used for constructing the film is different.

In carbon film resistors, carbon is used to construct the film whereas in metal film resistors, tin and antimony or nickel chromium is used to construct the film.

 

The metal film resistor is made by placing the metal film on a ceramic substrate. The metal film resists the electric current flowing through it. Hence, it acts as resistive element to the electric current.

The ceramic substrate does not allow heat through it. Hence, it acts as insulating material to heat.

The metal film resistors are more preferred over carbon composition resistors because the metal film resistors generate less noise than the carbon composition resistors.

 

The metal film resistors have low tolerance value than the carbon composition resistors.

Metal film resistor has low temperature co-efficient of resistance

The rate at which the resistance of the material changes with change in temperature is called temperature co-efficient of resistance. Metal film resistors have low temperature co-efficient of resistance. Hence, the resistance of the metal film resistors does not change easily with change in temperature.

Product Code20K0WNM786
ManufacturerOnepdeals
Stock Level50
ConditionNew
Weight0.001kg
Width0.003cm
Height0.003cm
Depth0.55cm

You can save money on this item when you purchase several at a time. The table below shows the minimum quantities required to benefit from this offer, and how much they'll cost.


QuantityPrice per unit
1£0.36
5+£0.32
10+£0.30


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