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Electronic Components, Parts and Their Function

Dec 08, 2018

Electronic Components, Parts and Their Function

Electronic components are basic electronic element or electronic parts usually packaged in a discrete form with two or more connecting leads or metallic pads.

Electronic Components are intended to be connected together, usually by soldering to a printed circuit board (PCB), to create an electronic circuit with a particular function (for example an amplifier, radio receiver, oscillator, wireless). Some of the main Electronic Components are: resistor, capacitor, transistor, diode, operational amplifier, resistor array, logic gate etc.

Types of Electronic Components

Electronic Components are of 2 types: Active and Passive Electronic Components.

  • Passive electronic components are those that do not have gain or directionality. They are also called Electrical elements or electrical components. e.g. resistors, capacitors, diodes, Inductors.
  • Active components are those that have gain or directionality. e.g. transistors, integrated circuits or ICs, logic gates.

Electronic Components and Their Functions

  1. Terminals and Connectors: Components to make electrical connection.
  2. Resistors: Components used to resist current.
  3. Switches: Components that may be made to either conduct (closed) or not (open).
  4. Capacitors: Components that store electrical charge in an electrical field.
  5. Magnetic or Inductive Components: These are Electrical components that use magnetism.
  6. Network Components: Components that use more than 1 type of Passive Component.
  7. Piezoelectric devices, crystals, resonators: Passive components that use piezoelectric. effect.
  8. Semiconductors: Electronic control components with no moving parts.
  9. Diodes: Components that conduct electricity in only one direction.
  10. Transistors: A semiconductor device capable of amplification.
  11. Integrated Circuits or ICs: A microelectronic computer electronic circuit incorporated into a chip or semiconductor; a whole system rather than a single component

Electronic Components Abbreviations

Here is a list of Electronic Component name abbreviations widely used in the electronics industry:


  • AE: aerial, antenna
  • B: battery
  • BR: bridge rectifier
  • C: capacitor
  • CRT: cathode ray tube
  • D or CR: diode
  • F: fuse
  • GDT: gas discharge tube
  • IC: integrated circuit
  • J: wire link
  • JFET: junction gate field-effect transistor
  • L: inductor
  • LCD: Liquid crystal display
  • LDR: light dependent resistor
  • LED: light emitting diode
  • LS: speaker
  • M: motor
  • MCB: circuit breaker


  • Mic: microphone
  • Ne: neon lamp
  • OP: Operational Amplifier
  • PCB: printed circuit board
  • PU: pickup
  • Q: transistor
  • R: resistor
  • RLA: RY: relay
  • SCR: silicon controlled rectifier
  • FET: field effect transistor
  • MOSFET: Metal oxide semiconductor field effect transistor
  • TFT: thin film transistor(display)
  • VLSI: very large scale integration

    Integrated Circuit (IC)

  • DSP: digital signal processor
  • SW: switch
  • T: transformer
  • TH: thermistor
  • TP: test point
  • Tr: transistor
  • U:integrated circuit
  • V: valve (tube)
  • VC: variable capacitor
  • VFD: vacuum fluorescent display
  • VR: variable resistor
  • X: crystal, ceramic resonator
  • XMER: transformer
  • XTAL: crystal
  • Z: zener diode

Electronic Companies (Manufacturers, Suppliers and Exporters):

  1. Allied Electronics : List and details of all Actives and Passive Electronic Components.


  2. Electronics Design World: Electronic components distributor Newark offers semiconductors, passives, interconnects, electromechanical, power source, specialty products, test and measurement equipment.
  3. – Free part utility to assign part numbers: An applet that assigns intelligent (significant) part numbers to components in electronic products.


  4. Electronic Components Database – Online Technology Exchange, Inc.Electronic Component Distributor for Obsolete, Hard to Find, discontinued Integrated Circuits and Semiconductors. Providing an online parts search component database.
  5. TOYO COMMUNICATION EQUIPMENT CO. LTD., JapanManufacturers and Suppliers ofSynthetic Quartz Crystals & Crystal Blanks, Microprocessor use/High Stability Ultra-Miniature & Surface


    Mount Type Crystals, HCM-Filters for Mobile/Cordless Telephones, Paging Receivers & other Communication Systems, SPXO / TCXO / DTCXO & OCXO Type Crystal Oscillators, Saw Devices upto 1-GHz

  6. NIC COMPONENTS CORPORATION, U.S.A./JapanManufacturers and Suppliers of: Multi-Layer Ceramic Chip Capacitors, Chip Aluminum Electrolytic Capacitors, Chip Resistors/Resistor Networks, SMT Thermistors /Inductors / Varistors,

    Logic Gates

    Tantalum Chip Capacitors, Metallized Polyester Film Capacitor Chips, Leaded Miniature Electrolytic / Tantalum Capacitors, Ferrite Beads & Rectifier Diodes

  7. RCD COMPONENTS, U.S.A. : Manufacturers and Suppliers of:Surface Mount Products, Chip Resistors, SIP-Networks & Active/Passive-Delay Lines, Resistor Network in Surface Mount, SIP/DIP packages, Wire-Wound Resistors, Resistance Standards, Carbon-Film, Metal Film & Metal Oxide Resistors, Special Purpose High Precision Resistors, Inductive Products/ Delay Lines, Surface Mount Ceramic Chip Capacitors, Surface Mount Tantalum Chip Capacitors
  8. RARA ELECTRONICS CORPORATION, KoreaManufacturers and Suppliers of:Wire Wound Resistors, Power Film Resistors, RF Resistors, Current Sensing Resistors, Precision Resistors, High Voltage Resistors
  9. MEGAPHASE LLC, U.S.A. : Manufacturers and Suppliers of: TM Series Cables, VN Series Cables, Series 1 & 2 Cables, Series 3 & 5 Cables, Series 7 Cables, Jump Shot Coaxial Jumper Cables, 75-Ohm Site Line Test Cables, CM Series Test Cable, SF Series Test Cables, Site Line Field & Production Test Cable: SL Series, TM Series Bench Test Cables, Semi-Rigid Cable Assemblies, Micro-Miniature Semi-Rigid Cable Assemblies

Flason Electronic Co.,ltd provide a full smt assembly line solutions, including Lead free reflow oven, wave soldering machine, SMT pick and place machine, smt stencil printer, PCB conveyor manufacturer, PCB unloader, chip mounter, SMT AOI machine, SMT SPI machine, SMT X-Ray machine, SMT assembly line equipment, PCB production Equipment smt spare parts etc any kind SMT machines you may need, please contact us for more information: wechat whatsapp:008613691605420, Skype: flasonsmt, Email:


1) This is the first time I use this kind of machine, is it easy to operate?

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Contact: Andrey

Phone: 13691605420

Tel: 0755-85225569


Add: Flason Industry park Shajing Town Baoan district shenzhen China 518104

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