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Thyristor & Triac
5 ultrasup@gmail.com
1.5 -
R
GK
«Shorted Emitter» R
S
PNP
)junction(
-
NPN
.
U
GG
R
G
R
GK
5 R
GK
1.6 avalanche
U
A
.
β
1
β
2
1 .
.
1.7 du / dt
U
A
– .
:
( )
I I C C dU
B B CBo CBO
A
1 2 1 2
= = +
(9)
du / dt
. I
A
R
L
U
A
.
1.8
I
CBO1
I
CBO2
- . .
1.9
photothyristor LASCR (Light Activated SCR)
) Q
2
(
photon - .
1.10