ACT108W-800E
AC Thyristor power switch
24 June 2014
Product data sheet
1. General description
AC Thyristor power switch in a SOT223 surface-mountable plastic package with self-
protective capabilities against low and high energy transients.
2. Features and benefits
Common terminal on mounting base allows multiple ACTs on shared cooling pad
Exclusive negative gate triggering
Full cycle AC conduction
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High voltage capability
Remote gate separates the gate driver from the effects of the load current
Safe clamping of low energy over-voltage transients
Self-protective turn-on during high energy voltage transients
Surface-mountable package
Very high noise immunity
3. Applications
Fan motor circuits
Pump motor circuits
Lower-power highly inductive, resistive and safety loads
Contactors, circuit breakers, valves, dispensers and door locks
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4. Quick reference data
Table 1.
Symbol
Quick reference data
Parameter
Conditions
Min
Typ
Max
Unit
VDRM
repetitive peak off-
state voltage
-
-
800
V
ITSM
non-repetitive peak on- full sine wave; Tj(init) = 25 °C;
-
-
13
A
state current
tp = 20 ms; Fig. 4; Fig. 5
Tj
junction temperature
RMS on-state current
peak pulse voltage
-
-
-
-
-
-
125
0.8
2.5
°C
A
IT(RMS)
VPP
full sine wave; Fig. 1; Fig. 2; Fig. 3
Tj = 25 °C; non-repetitive, off-state; ten
pulses on each voltage polarity; 20s
or more between successive pulses;
Fig. 6
kV
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