TRIAC Switch
Semiconductors
·
Generic
·
Curated by CircuitSim
Details
Manufacturer
Generic
Part number
—
Pins
3
Used in
No circuits
Added
Sep 2026
About this component
A configurable three-terminal bidirectional thyristor switch for AC control, with adjustable trigger voltage, holding current, on/off resistance, and forward voltage drop.
Parameters
Basic settings
5 parameters
VTH
Gate trigger voltage
Voltage needed to switch on the TRIAC.
.77 V
IH
Holding current
Minimum current needed to keep the TRIAC conducting.
10m A
VF
Forward voltage drop
Voltage across the conducting TRIAC.
0 V
RON
On resistance
Resistance of the TRIAC when conducting.
10m Ω
ROFF
Off resistance
Resistance of the TRIAC when not conducting.
100M Ω
Pins
Pins
3 pins
1
G
G terminal.
2
MT1
MT1 terminal.
3
MT2
MT2 terminal.
Public circuits using this component
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