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Chip Resistor: An Overview
1. A chip resistor is compact, surface mounted electronic component that
is designed to proffer resistance to electric current through it. The mini
resistor is designed to have similar characteristics or form factor as other
surface mount. It differs from classic axial lead resistors in physical terms
only and it fulfills the same function as in case of electronic circuits. Chip
resistors are available in different package formats and it comes with a
wide range of features.
There are a wide range of companies
that offers SMD Resistors and
capacitors. Further, these are offered
according to the specification and
requirements of the clients. The SMD
resistor is widely used in electronic
industries at cost effective prices. A
chip resistor tends to be slightly larger
than a pin-head. It encompasses of a
lead that is designed on the either end
and is specifically used for surface mounting. The printed circuit board
construction method allows more room for complex circuitry but it also
facilitates multi-layer PCB construction.
In the conventional methods of PCB construction the component leads
are inserted through the method of holes in the holes and then it
soldered on the reverse side. The modern surface technology has
undergone a sea change; these components are soldered directly on the
conductive tracks as they are mounted.
The axial lead resistors don’t allow this kind of PCB construction and this
has led to the emergence of the chip resistor. A chip resistor is
constructed using the sputtering techniques where the vacuum
deposition is applied on a resistive carbon composite, ceramic or a
metallic material that is applied on an insulating backing. There is a
certain kind of resistors that is encased in a protective coating.
Moreover, the materials used to manufacture the resistor are in strict
2. adherence to the international standards. These kinds of resistors have
minimal amount of chromium, cadmium and lead.
There are two kinds of chip resistors- single resistor and chip resistor
array. The single resistor is passive and has a set value component, while
resistor array has several resistors in a package. These resistors have
battery of terminal leads whereas the chip resistor arrays are in line with
several kinds of pin that are representing a single pin for each resistor in
the array.
The chip resistors can be classified on basis of its usage. For instance,
some of the resistors are perfect for power supply, automotive industry,
medical industry and some for aerospace industry. Above all, they are
equipped with latest features like heat sinks, fireproof shield and water-
cooling facility.
Above all, there are innumerable companies that offer a wide range of
SMD resistors, which in turn finds application in a variety of industries.
These resistors have high speed switching power supplies and snubber
circuit.