Alternistor Triacs
Data Sheets
(10) See Figure E4.12 for tgt versus IGT
.
ALL POLARITIES ARE REFERENCED TO MT1
(11) See package outlines for lead form configurations. When ordering
MT2 POSITIVE
special lead forming, add type number as suffix to part number.
(Positive Half Cycle)
MT2
MT2
+
(12) Initial on-state current = 400 mA dc for 16 A to 40 A devices and
100 mA for 6 A to 12 A devices.
(-)
I
(+)
I
GT
GT
(13) See Figure E4.1 through Figure E4.4 for maximum allowable case
GATE
GATE
temperature at maximum rated current.
MT1
MT1
(14) Pulse width ≤10 µs; I ≤ I
GT
GTM
REF
MT2
REF
MT2
(15) For 6 A to 12 A devices, RL = 60 Ω; 16 A and above, RL = 30 Ω
(16) 40 A pin terminal leads on K package can run 100 °C to 125 °C.
(17) Alternistor does not turn on in Quadrant IV.
QII QI
QIII QIV
I
-
+ I
GT
GT
(-)
I
(+)
I
GATE
(18) TC = TJ for test conditions in off state
GT
GT
GATE
(19) IGT = 200 mA for 6 A to 12 A devices and 500 mA for 16 A to 40 A
devices with gate pulse having rise time of ≤0.1 µs.
MT1
REF
MT1
REF
-
(20) Minimum non-trigger VGT at 125 °C is 0.2 V.
MT2 NEGATIVE
(Negative Half Cycle)
NOTE: Alternistors will not operate in QIV
Gate Characteristics
Teccor triacs may be turned on in the following ways:
Definition of Quadrants
•
•
In-phase signals (with standard AC line) using Quadrants I
Electrical Isolation
and III
Teccor’s isolated alternistor packages withstand a minimum high
potential test of 2500 V ac rms from leads to mounting tab, over
the operating temperature range of the device. The following iso-
lation table shows standard and optional isolation ratings.
Application of unipolar pulses (gate always negative), using
Quadrants II and III with negative gate pulses
In all cases, if maximum surge capability is required, gate pulses
should be a minimum of one magnitude above minimum IGT rat-
ing with a steep rising waveform (≤1 µs rise time).
If QIV and QI operation is required (gate always positive), see
Figure AN1002.8, “Amplified Gate” Thyristor Circuit.
Electrical Isolation
from Leads to Mounting Tab *
TO-218
TO-220
TO-218X
Isolated
Standard
N/A
V AC RMS
2500
Isolated
Isolated
Standard
N/A
Standard
Optional **
4000
* UL Recognized File E71639
** For 4000 V isolation, use V suffix in part number.
Thermal Resistance (Steady State)
R
θ JC [R θ JA] (TYP.) °C/W
Package Code
Type
K
J
L
R
D
V
N
TO-218
TO-220
Isolated **
3.3 [50]
2.8
TO-220
Non-Isolated
1.80 [45]
1.50
TO-252
D-Pak
TO-251
V-Pak
TO-263
TO-218X
Isolated *
2
Isolated *
D Pak
6 A
8 A
2.1
2.3 [64]
1.80
1.50
1.30
1.20
1.10
0.87
1.8
2.1
10 A
12 A
16 A
25 A
30 A
35 A
40 A
2.6
1.30
2.3
1.20
2.1
1.10
1.35
0.97
1.32
0.95
2.0
0.87
2.3
0.85
* UL Recognized Product per UL File E71639
** For 4000 V isolation, use V suffix in part number.
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Thyristor Product Catalog
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