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Sunday, 4 June 2017

What is SMD Resistor - English

What is SMD Resistor - English  

SMD stands for Surface Mounted Device. An SMD is any electronic component that is made to use with SMT, or Surface Mount Technology. SMT was developed to meet the ongoing desire for printed circuit board manufacture to use smaller components and be faster, more efficient, and cheaper.

Resistor definition 

"Resistor is a passive electrical component with the primary function to limit the flow of electric current"

A resistor is an electrical component that limits or regulates the flow of electrical current in an electronic circuit.

Most Common type of  Resistor which mount on Mobile PCB.Smallest Components on Mobile PCB. Simple Resistor is made by chromium, glass, sliver. This is Semi-Conductor Component.

The work of this resistor to resist current , Signal , 

Frequency flow on circuit. 

 Resistor Showing by    "R" 

Simple SMD Resistor Symbol 

resistor symbol - IEEE  resistor symbol  

Simple SMD Resistor Unit 


Simple SMD Resistor Image 

Overview of types and materials

Resistors can be divided in construction type as well as resistance material. The following breakdown for the type can be made:
  • Simple resistors - WORK Testing 
  • Dual resistors
  • VDR Resistor 
  • Code Resistor
  • Network Resistor
  • Fuse Resistor 

How to Check Simple SMD Resistor by Digital Multimeter 

How to soldering & De-Soldering SMD Components.

Resistors in parallel

The total equivalent resistance of resistors in parallel RTotal is given by:
So when you add resistors in parallel, the total resistance is decreased.

Resistors in series

The total equivalent resistance of resistors in series Rtotal is the sum of the resistance values:
Rtotal = R1R2R3+...
So when you add resistors in series, the total resistance is increased.

Resistor image

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