Triac (Bidirectional Triode Thyristor)
TMA20x
Series
5
Performance Characteristics at T
A
= 25°C
0
1
10
100
0.6 1.0 1.4 1.8 2.2 2.6
V
T
(max) (V)
I
T
(max) (A)
150
125
100
75
50
25
0
30
25
20
15
10
5
0
240
200
160
120
80
40
0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1 10 100
I
TSM
(A)
0 5 10 15 20 25 0 5 10 15 20 25
0.1
1
100
10
10 100 1000 10 000 –60 –40 –20 20 40 60 80 100 120 1400
0.1
1
10
Maximum On-State
Current versus
Maximum On-State
Voltage
Gate Voltage
versus
Gate Current
Surge On-State
Current versus
Quantity of
Cycles
Case Temperature
versus On-State
RMS Current
On-State Average
Power Dissipation
versus Maximum
On-State
RMS Current
Proportional Change
of Typical
Trigger Voltage
versus
Junction Temperature
T
J
= 125°C
f = 50 Hz
full cycle sine wave
total Conduction angle
(
A
+) + (A–) = 360°
initial T
J
= 125°C
full cycle sine wave
total Conduction angle
(A+) + (A–) = 360°
full cycle sine wave
total Conduction angle
(A+) + (A–) = 360°
T
J
= 25°C
P
T(AV)
(W)
I
T(RMS)
(max) (A) I
T(RMS)
(A)
V
G
(V)
I
G
(mA)
Quantity of Cycles
T
C
(°C)
V
GT
(T
J
)
(V) / V
GT
(T
J
= 25°C )
(V)
Proportional Change
of Typical
Trigger Current
versus
Junction Temperature
I
GT
(T
J
)
(A) / I
GT
(T
J
= 25°C )
(A)
0.1
1
10
Proportional Change
of Typical
Holding Current
versus
Junction Temperature
I
H
(T
J
)
(A) / I
H
(T
J
= 25°C )
(A)
T
J
(°C)
–60 –40 –20 20 40 60 80 100 120 1400
T
J
(°C)
–60 –40 –20 20 40 60 80 100 120 1400
T
J
(°C)
Quadrant I (T2+, G+),
Quadrant II (T2+, G–), and
Quadrant III (T2–, G–)
R
GREF
= 1 kΩ
53°C
Quadrant I (T2+, G+) and
Quadrant II (T2+, G–)
Quadrant III (T2–, G–)
V
GM
= 10 V
V
GT
(–40°C)
= 2 V
V
GT
(25°C)
= 1.5 V
V
GD
= 0.2 V
I
GM
= 2 A
I
GT
(–40°C)
= 100 mA
I
GT
(25°C)
= 30 mA
P
GM
=
5
W
P
G(AV)
=
500
mW
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
