ACT108W-800E
AC Thyristor power switch
3 March 2017 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
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
4. Quick reference data
Table 1. Quick reference data
Symbol Parameter Conditions Min Typ Max Unit
V
DRM
repetitive peak off-
state voltage
- - 800 V
I
T(RMS)
RMS on-state current full sine wave; T
sp
≤ 112 °C; Fig. 1;
Fig. 2; Fig. 3
- - 0.8 A
full sine wave; T
j(init)
= 25 °C;
t
p
= 20 ms; Fig. 4; Fig. 5
- - 13 AI
TSM
non-repetitive peak on-
state current
full sine wave; T
j(init)
= 25 °C;
t
p
= 16.7 ms
- - 14.3 A
T
j
junction temperature - - 125 °C
V
PP
peak pulse voltage T
j
= 25 °C; non-repetitive, off-state; ten
pulses on each voltage polarity; 20s
or more between successive pulses;
Fig. 6
- - 2.5 kV
Static characteristics
WeEn Semiconductors
ACT108W-800E
AC Thyristor power switch
ACT108W-800E All information provided in this document is subject to legal disclaimers.
©
WeEn Semiconductors Co., Ltd. 2017. All rights reserved
Product data sheet 3 March 2017 2 / 15
Symbol Parameter Conditions Min Typ Max Unit
V
D
= 12 V; I
T
= 100 mA; LD+ G-;
T
j
= 25 °C; Fig. 10
1 - 10 mAI
GT
gate trigger current
V
D
= 12 V; I
T
= 100 mA; LD- G-;
T
j
= 25 °C; Fig. 10
1 - 10 mA
I
H
holding current V
D
= 12 V; T
j
= 25 °C; Fig. 12 - - 20 mA
V
T
on-state voltage I
T
= 1.1 A; T
j
= 25 °C; Fig. 13 - - 1.3 V
V
CL
clamping voltage I
CL
= 0.1 mA; t
p
= 1 ms; T
j
= 25 °C 850 - - V
Dynamic characteristics
dV
D
/dt rate of rise of off-state
voltage
V
DM
= 536 V; T
j
= 125 °C; (V
DM
= 67%
of V
DRM
); exponential waveform; gate
open circuit; Fig. 15
500 - - V/µs
dI
com
/dt rate of change of
commutating current
V
D
= 400 V; T
j
= 125 °C;
I
T(RMS)
= 0.8 A; dV
com
/dt = 20 V/µs;
(snubberless condition); gate open
circuit; Fig. 16; Fig. 17
0.5 - - A/ms
5. Pinning information
Table 2. Pinning information
Pin Symbol Description Simplified outline Graphic symbol
1 LD load
2 CM common
3 G gate
4 CM common
1 32
4
SC-73 (SOT223)
001aaj924
G
CM
LD
6. Ordering information
Table 3. Ordering information
PackageType number
Name Description Version
ACT108W-800E SC-73 plastic surface-mounted package with increased heatsink; 4
leads
SOT223
WeEn Semiconductors
ACT108W-800E
AC Thyristor power switch
ACT108W-800E All information provided in this document is subject to legal disclaimers.
©
WeEn Semiconductors Co., Ltd. 2017. All rights reserved
Product data sheet 3 March 2017 3 / 15
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
DRM
repetitive peak off-state
voltage
- 800 V
I
T(RMS)
RMS on-state current full sine wave; T
sp
≤ 112 °C; Fig. 1; Fig. 2;
Fig. 3
- 0.8 A
full sine wave; T
j(init)
= 25 °C; t
p
= 20 ms;
Fig. 4; Fig. 5
- 13 AI
TSM
non-repetitive peak on-
state current
full sine wave; T
j(init)
= 25 °C; t
p
= 16.7 ms - 14.3 A
I
2
t I
2
t for fusing t
p
= 10 ms; sine-wave pulse - 0.84 A²s
dI
T
/dt rate of rise of on-state
current
I
G
= 20 mA - 100 A/µs
I
GM
peak gate current t = 20 μs - 1 A
V
GM
peak gate voltage positive applied gate voltage - 15 V
P
G(AV)
average gate power over any 20 ms period - 0.1 W
T
stg
storage temperature -40 150 °C
T
j
junction temperature - 125 °C
V
PP
peak pulse voltage T
j
= 25 °C; non-repetitive, off-state; ten
pulses on each voltage polarity; 20s or
more between successive pulses; Fig. 6
- 2.5 kV
003aac807
0
0.2
0.4
0.6
0.8
1
- 50 0 50 100 150
T
sp
(°C)
I
T(RMS)
(A)
Fig. 1. RMS on-state current as a function of solder
point temperature; maximum values
10
-2
10
-1
1 10
0
surge duration (s)
I
T(RMS)
(A)
aaa-013407
f = 50 Hz
T
sp
= 112 °C
Fig. 2. RMS on-state current as a function of surge
duration; maximum values

1787454

Mfr. #:
Manufacturer:
Phoenix Contact
Description:
Pluggable Terminal Blocks 8 Pos 3.5mm Dbl Row Through Hole Header
Lifecycle:
New from this manufacturer.
Delivery:
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