Electronic Components & Devices

Glossary of electronic components



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A


Anode

An electrode through which a current flows into a polarized electrical device.

Average rectified output current (Io)

[Diode] Maximum average forward current of commercial frequency (50Hz/60Hz) sin wave under condition.
[Thyristor] Maximum average on-state current of commercial frequency (50Hz/60Hz) half sin wave under specified condition.


C


Cathode

An electrode from which a current leaves a polarized electrical device.


D


Diode

A two-terminal semiconductor device which conducts current in one direction, i.e. from anode to cathode, also called a rectifier.

DIP

A method of mounting components on a printed circuit board (PCB) by inserting component leads to be soldered into through-holes of a PCB and dipping it into a solder bath to mount the components.

Discrete

A semiconductor with a single function. For example, diodes and transistors.
Discretes


E

EMC

Abbreviation of Electromagnetic Compatibility. The concept of enabling electronic devices to function without EMI.

EMI

Abbreviation of Electromagnetic Interference. A disturbance of an electrical circuit caused by external interference of an electromagnetic origin.

EMS

Abbreviation of Electromagnetic Susceptibility. The vulnerability of an electric circuit to a disturbance of electromagnetic origin.


F

Fast Recovery Diode (FRD)

PN type junction rectifying device. Diodes suitable for rectifying high frequency power supply with short reverse recovery time (trr).
[Discretes] Fast Recovery Diodes (FRDs)
[Power Modules] Fast Recovery Diodes (FRDs)
[High-power Devices] Fast Recovery Diodes (FRDs)


G

Gate trigger current(IGT

Minimum gate current required to turn on.

Gate trigger voltage

Minimum gate voltage required to turn on.

General rectifier diode

PN type junction rectifying device. Diodes that rectifies a commercial frequency that is alternating current.
[Discretes] General Rectifier Diodes
[Power Modules] General Rectifier Diodes
[High-power Devices] General Rectifier Diodes


I

IGBT

Abbreviation of Insulated Gate Bipolar Transistor. A type of three-terminal power semiconductor device, with an insulated gate which controls the current flowing through the device. An IGBT features the voltage-driven characteristics of MOSFETs in addition to the high-current capability of bipolar transistors.


O

Operating Junction Temperature Range(Tjw

[Diode / Thyristor] Range of junction temperature while operating.


P

Peak Forward Voltage(VFM

Peak forward voltage at specified forward current.

Peak reverse current(IRM

Peak reverse current at specified reverse voltage


R

Reflow Soldering

A soldering method in which solder is applied to electronic components and then melted in a reflow oven to permanently mount them to a printed circuit board (PCB).

Repetitive Peak Off-state Voltage(VDRM

Allowable peak off-state voltage repetitively applicable between anode and cathode.

Repetitive Peak Reverse Voltage(VRRM

[Diode]Allowable peak reverse voltage repetitively applicable to diode.
[Thyristor]Allowable peak reverse voltage repetitively applicable between anode and cathode.

Reverse Recovery Time(Trr

[Diode]Allowable peak reverse voltage repetitively applicable to diode.
[Thyristor]Allowable peak reverse voltage repetitively applicable between anode and cathode.


S

Schottky Barrier Diode (SBD)

Diodes utilizing potential barrier (schottky barrier) formed at a junction between metal electrode and semiconductor.
[Discretes] Schottky Barrier Diodes (SBDs)
[Power Modules] Schottky Barrier Diodes (SBDs)

SMD

Abbreviation of Surface Mount Device. Components suitable for SMT equipment.

SMT

Abbreviation of Surface Mount Technology. A method of producing electronic circuits on a printed circuit board (PCB) by applying solder paste and placing components on the PCB's surface before the solder is melted in a reflow oven.

Storage Temperature Range(Tstg

Range of ambient temperature while not operating.

Surge forward current(IFSM

Non-repetitive maximum peak forward current in one cycle of 50Hz sin wave.

Surge on-state current(ITSM

Non-repetitive maximum peak on-state current in one cycle of 50Hz sin wave.

Surge Peak Reverse Voltage(VRSM

Allowable peak reverse voltage non-repetitively applicable to diode.


T

Thermal Resistance(Rth

Temperature difference per watt between two points, such as junction and ambient, or junction and case after thermal balance is established Rth(j-c): junction to case, Rth(j-l): junction to lead, Rth(j-a): junction to ambient.

Thyristor

A type of three-terminal power semiconductor device that conducts high current when the gate receives a current trigger.
[Power Modules] Thyristors modules

Transistor

A semiconductor device used to amplify or control current.

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