Thyristors
8 Amp High Temperature Sensitive & Alternistor (High Commutation) Triacs
Electrical Characteristics (TJ = 25°C, unless otherwise specified) — AlternistorTriac (3 Quadrants)
Symbol
IGT
Test Conditions
VD = 12V RL = 60 Ω
Quadrant
MAX.
QJxx08xH3 QJxx08xH4
Unit
mA
V
I – II – III
I – II – III
I – II – III
10
35
VGT
VGD
IH
MAX.
1.3
VD = VDRM RL = 3.3 kΩ TJ = 150°C
MIN.
0.15
V
IT = 100mA
MAX.
25
150
100
15
35
350
250
20
mA
400V
600V
dv/dt
VD = VDRM Gate OpenTJ = 150°C
MIN.
V/μs
(dv/dt)c
tgt
(di/dt)c = 4.3 A/ms TJ = 150°C
MIN.
V/μs
μs
IG = 100mA PW = 15µs IT = 11.3 A(pk)
TYP.
10
10
Note: xx=voltage/10, x = package
Static Characteristics
Symbol
Test Conditions
Value
1.50
10
Unit
VTM
ITM = 11.3A tp = 380 µs
MAX.
V
TJ = 25°C
μA
LJxx08xy
TJ = 125°C
TJ = 150°C
TJ = 25°C
TJ = 125°C
TJ = 150°C
0.5
3
mA
μA
IDRM
VDRM = VRRM
MAX.
IRRM
10
0.5
3
QJxx08xHy
mA
Note: xx=voltage/10, x=package, y = sensitivity
Thermal Resistances
Symbol
Rθ(JC)
Parameter
Value
Unit
°C/W
°C/W
Junction to case (AC)
Junction to ambient
1.5
70
Rθ(J-A)
Figure 2: Normalized DC GateTrigger Current for
All Quadrants vs. JunctionTemperature
Figure 1: Definition of Quadrants
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
ALL POLARITIES ARE REFERENCED TO MT1
MT2 POSITIVE
(Positive Half Cycle)
+
MT2
MT2
(-)
I
(+)
I
GT
GT
GATE
GATE
MT1
MT1
REF
REF
QII QI
I
-
+I
GT
GT
QIII QIV
MT2
MT2
(-)
I
(+)
I
GT
GT
GATE
GATE
MT1
REF
MT1
REF
-
150
-40
-15
10
35
60
85
110
135
MT2 NEGATIVE
(Negative Half Cycle)
Junction Temperature (TJ)- ºC
Note: Alternistors will not operate in QIV
LJxx08xx & QJxx08xHx Series
©2018 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 04/23/18