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TMA16xS Series
Triac (Bidirectional Triode Thyristor)
Features and Benefits
Exceptional reliability
Small fully-molded SIP package with heatsink mounting
for high thermal dissipation and long life
VDRM of 400 or 600 V
16 ARMS on-state current
Uniform switching
UL Recognized Component (File No.: E118037) (suffix I)
Description
This Sanken triac (bidirectional triode thyristor) is designed
for AC power control, providing reliable, uniform switching
for full-cycle AC applications.
In comparison with other products on the market, the TMA16x
series provides increased isolation voltage (1800 VACRMS),
guaranteed for up to 1 minute, and greater peak nonrepetitive
off-state voltage, VDSM (700 V). In addition, commutation
dv/dt and (dv/dt)c are improved.
Package: 3-pin SIP (TO-220F)
Applications
Residential and commercial appliances: vacuum cleaners,
rice cookers, TVs, home entertainment
White goods: washing machines
Office automation power control, photocopiers
Motor control for small tools
Temperature control, light dimmers, electric blankets
General use switching mode power supplies (SMPS)
Not to scale
Typical Applications
Halogen
Lamp
Heater control
(for example, LBP. PPC, MFP)
28105.13
Gate
Controller
Two-phase motor control
(for example, washing machine)
In-rush current control
(for example, SMPS)

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TMA16xS
Series
Triac (Bidirectional Triode Thyristor)
Selection Guide
Part Number
TMA164(I)
TMA164S-L
TMA166(I)
TMA166S-L
VDRM
(V)
400
400
600
600
UL-Recognized
Component
Yes
Yes
Package
3-pin fully molded SIP with
heatsink mount
Packing
50 pieces per tube
Absolute Maximum Ratings
Characteristic
Peak Repetitive Off-State Voltage
Peak Non-Repetitive Off-State Voltage
Isolation Voltage
RMS On-State Current
Surge On-State Current
I2t Value for Fusing
Peak Gate Current
Peak Gate Power Dissipation
Average Gate Power Dissipation
Junction Temperature
Storage Temperature
Symbol
VDRM
VDSM
VISO
IT(RMS)
ITSM
I2t
IGM
PGM
PGM(AV)
TJ
Tstg
Notes
TMA164x RGREF =
TMA166x
TMA164x RGREF =
TMA166x
AC RMS applied for 1 minute between lead and case
50/60 Hz full cycle sine wave,
total Conduction angle (α+) + (α–) = 360°,
TC = 66°C
f = 60 Hz
f = 50 Hz
Full cycle sine wave, peak value, non-repetitive,
initial TJ = 125°C
Value for 50 Hz half cycle sine wave, 1 cycle, ITSM = 160 A
f 50 Hz, duty cycle 10%
f 50 Hz, duty cycle 10%
TJ < TJ(max)
Rating
400
600
500
700
1800
16
Units
V
V
V
V
V
A
168
160
128
2
5
0.5
–40 to 125
–40 to 125
A
A
A2• s
A
W
W
ºC
ºC
Thermal Characteristics May require derating at maximum conditions
Characteristic
Symbol
Test Conditions
Package Thermal Resistance
(Junction to Case)
RθJC For AC
Value
3.3
Units
ºC/W
Pin-out Diagram
T2
G
T1
Number
1
2
3
Terminal List Table
Name
Function
T1 Main terminal, gate referenced
T2 Main terminal connect to signal side
G Gate control
1 23
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, TA, of 25°C, unless otherwise stated.
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
2

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TMA16xS
Series
Triac (Bidirectional Triode Thyristor)
ELECTRICAL CHARACTERISTICS
Characteristics
Symbol
Test Conditions
Off-State Leakage Current
On-State Voltage
Gate Trigger Voltage
IDRM
VTM
VGT
VD = VDRM, TJ = 125°C, RGREF = using test circuit 1
VD = VDRM, TJ = 25°C, RGREF = using test circuit 1
IT = 20 A, TJ = 25°C
Quadrant I: T2+, G+
Quadrant II: T2+, G– VD = 12 V, RL = 20 Ω, TJ = 25°C
Quadrant III: T2–, G–
Gate Trigger Current
Gate Non-trigger Voltage
Critical Rising Rate of
Off-State Voltage during
Commutation*
Quadrant I: T2+, G+
IGT Quadrant II: T2+, G– VD = 12 V, RL = 20 Ω, TJ = 25°C
Quadrant III: T2–, G–
VGD VD = VDRM × 0.5, RL = 4 kΩ, TJ = 125°C
(dv/dt)c TJ = 125°C, VD = 400 V, (di/dt)c = –8 A/ms, ITP = 2 A
*Where ITP is the peak current through T2 to T1.
Min.
0.2
10
Typ.
Max.
2.0
100
1.45
1.5
1.5
1.5
30
30
30
Unit
mA
μA
V
V
V
V
mA
mA
mA
V
V/μs
Test Circuit 1
RGREF =
G
T2
T1
Gate Trigger Characteristics
Quadrant II
+T2
Quadrant I
T2 [ + ]
T2 [ + ]
G[–]
G[+]
T1 [ – ]
T1 [ – ]
–IGT
T2 [ – ]
G[–]
T1 [ + ]
T2 [ – ]
+IGT
G[+]
T1 [ + ]
Quadrant III
–T2
Polarities referenced to T1
Quadrant IV
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3

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TMA16xS
Series
Triac (Bidirectional Triode Thyristor)
Commutation Timing Diagrams
Q4
Supply VAC
A
Q
A = Conduction angle
VGATE
On-State
Currrent
VGT
Q
ITSM
Q
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4

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TMA16xS
Series
Triac (Bidirectional Triode Thyristor)
Performance Characteristics at TA = 25°C
100
Maximum On-State
Current versus
Maximum On-State
Voltage
10
1
TJ = 125°C
TJ = 25°C
0
0.6 1.0 1.4 1.8 2.2 2.6 3.0
VT (max) (V)
25
full cycle sine wave
total Conduction angle
20 (A+) + (A–) = 360°
Surge On-State
Current versus
Quantity of
Cycles
180
160
140
120
100
80
60
40
20
01
150
125
f = 50 Hz
full cycle sine wave
total Conduction angle
(A+) + (A–) = 360°
initial TJ = 125°C
10
Quantity of Cycles
100
full cycle sine wave
total Conduction angle
(A+) + (A–) = 360°
On-State Average
Power Dissipation
versus Maximum
On-State
RMS Current
15
10
Case Temperature
versus On-State
RMS Current
100
75
66°C
50
5 25
Gate Voltage
versus
Gate Current
0
0
100
5 10 15
IT(RMS)(max) (A)
20
VGT (–40°C)
=2V
10
IGM = 2 A
VGM = 10 V
VGT (25°C)
= 1.5 V
PG(AV)
= 500 mW
1
IGT (–40°C)
= 100 mA
IGT (25°C) = 30 mA
0.1
10
VGD = 0.2 V
100 1000
IG (mA)
PGM = 5 W
10 000
10
0
0 5 10 15 20
IT(RMS) (A)
2.0
Proportional Change
of Typical
Trigger Voltage
versus
Junction Temperature
1.8
1.6
1.4
1.2
1.0
0.8
0.6
Quadrant I (T2+, G+),
Quadrant II (T2+, G–), and
Quadrant III (T2–, G–)
0.4
0.2
0
–60 –40 –20 0 20 40 60 80 100 120 140
TJ (°C)
10
RGREF = 1 kΩ
Proportional Change
of Typical
Trigger Current
versus
Junction Temperature
1
Quadrant III (T2–, G–)
Quadrant I (T2+, G+) and
Quadrant II (T2+, G–)
Proportional Change
of Typical
Holding Current
versus
Junction Temperature
1
0.1
–60 –40 –20 0 20 40 60 80 100 120 140
TJ (°C)
0.1
–60 –40 –20 0 20 40 60 80 100 120 140
TJ (°C)
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5