Triac (Bidirectional Triode Thyristor)
TMA16xP
Series
2
Absolute Maximum Ratings
Characteristic Symbol Notes Rating Units
Peak Repetitive Off-State Voltage V
DRM
TMA164P-L
R
GREF
=
∞
400 V
TMA166P-L
600 V
Peak Non-Repetitive Off-State Voltage V
DSM
TMA164P-L
R
GREF
=
∞
500 V
TMA166P-L
700 V
RMS On-State Current I
T(RMS)
50/60 Hz full cycle sine wave,
total Conduction angle (α+) + (α–) = 360°,
T
C
= 108°C
16 A
Surge On-State Current I
TSM
f = 60 Hz
Full cycle sine wave, peak value, non-repetitive,
initial T
J
= 125°C
190 A
f = 50 Hz 180 A
I
2
t Value for Fusing I
2
t Value for 50 Hz half cycle sine wave, 1 cycle, I
TSM
= 180 A 160 A
2
• s
Peak Gate Current I
GM
f ≥ 50 Hz, duty cycle ≤ 10% 2 A
Peak Gate Power Dissipation P
GM
f ≥ 50 Hz, duty cycle ≤ 10% 5 W
Average Gate Power Dissipation P
GM(AV)
T
J
< T
J
(max)
0.5 W
Junction Temperature T
J
–40 to 125 ºC
Storage Temperature T
stg
–40 to 125 ºC
T1
T2
G
Terminal List Table
Number Name Function
1 T1 Main terminal, gate referenced
2 T2 Main terminal connect to signal side
3 G Gate control
Pin-out Diagram
Thermal Characteristics May require derating at maximum conditions
Characteristic Symbol Test Conditions Value Units
Package Thermal Resistance
(Junction to Case)
R
θJC
For AC 1.0 ºC/W
All performance characteristics given are typical values for circuit or
system baseline design only and are at the nominal operating voltage and
an ambient temperature, T
A
, of 25°C, unless oth er wise stated.
123
Selection Guide
Part Number
V
DRM
(V)
Package Packing
TMA164P-L 400
3-pin SIP with exposed pad
for heatsink mount
30 pieces per tube
TMA166P-L 600
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
