Thyristors
8 Amp Sensitive, Standard & Alternistor (High Commutation) Triacs
RoHS
Lxx08xx & Qxx08xx & Qxx08xHx Series
Description
This 8 Amp bidirectional solid state switch series is
designed for AC switching and phase control applications
such as motor speed and temperature modulation controls,
lighting controls, and static switching relays.
Sensitive type components guarantee gate control in
Quadrants I & IV as needed for digital control circuitry.
Standard type components normally operate in Quadrants
I & III triggered from AC line.
Alternistor type components only operate in quadrants I, II,
& III and are used in circuits requiring high dv/dt capability.
Agency Approval
Features & Benefits
Agency
Agency File Number
• RoHS-compliant
• No contacts to wear out
from reaction of switching
events
E71639*
• Glass – passivated
junctions
* - L Package Only
• Restricted (or limited) RFI
generation, depending on
activation point of
• Voltage capability up
to 1000 V
Main Features
• Surge capability up
to 100 A
sine wave
Symbol
Value
Unit
• Requires a short gate
activation pulse during
each half-cycle
IT(RMS)
8
A
• The L-package has
an isolation rating of
2500VRMS
V
DRM/VRRM
IGT (Q1)
400, 600, 800 or 1000
V
5 to 50
mA
• Solid-state switching
eliminates arcing or
contact bounce that
create voltage transients
Schematic Symbol
Applications
Excellent for AC switching and phase control applications
such as heating, lighting, and motor speed controls.
Typical applications are AC solid-state switches, light
dimmers, power tools, home/brown goods and white
goods appliances.
MT2
MT1
Alternistor Triacs (no snubber required) are used in
applications with extremely inductive loads requiring
highest commutation performance.
G
Additional Information
Internally constructed isolated packages are offered for
ease of heat sinking with highest isolation voltage.
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© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BO.12/09/20