IGBT
SCR
Triggering Method
V-I Characteristics
General
100

What does IGBT stand for?

Insulated Gate Bipolar Transistor

100

What does SCR stands for?

Silicon Controlled Rectifier

100

Triggering means making the SCR do what?

Turn ON

100

In an SCR, what does "V" stand for in V-I characteristics?

Voltage

100

What is the basic layer structure of an SCR?

PNPN

200

IGBT combines the features of which two types of transistors?

BJT and MOSFET

200

How many terminals does an SCR have?

Three (Anode, Cathode, Gate)

200

Most basic triggering method

Forward Voltage Triggering

200

What happens to current when SCR is conducting?

Increases

200

These two types of time define the performance of a power semiconductor devices

Rise time and delay time

300

True or False: IGBT is a voltage-controlled device.

True

300

In Forward Blocking Mode, which junction is reverse-biased?

J2

300

This method involves heating the device.

Temperature triggering

300

The IGBT behaves like this type of transistor in its output characteristics.

BJT

300

Semi-controlled power semiconductor device

Thyristor

400

IGBTs are often used in this type of electronic converter.

Inverter

400

Name the three modes of SCR operation.

Forward blocking, Forward conduction, Reverse blocking

400

This method uses light to generate electron-hole pairs.

Light triggering (optical triggering)

400

Voltage at which SCR switch from OFF to ON state

Breakover Voltage

400

Semiconductor device that controls large current using small current

BJT

500

Explain how current flow in IGBT?

When the Gate (G) is turned ON, allowing current to flow from the Collector (C) to Emitter (E). 

500

In what mode does the SCR conduct current?

Forward conduction mode

500

This method can cause unintentional triggering due to rapid voltage change

dv/dt triggering

500

Minimum current needed to keep the SCR ON.

Latching current

500

What is delay time during switching in IGBT?

Time it takes for the gate voltage to reach threshold value