Teccor
®
brand Thyristors
40 Amp Alternistor (High Commutation) and Standard Triacs
RoHS
Qxx40xx Series
Description
The 40 Amp bi-directional solid state switch series is
designed for AC switching and phase control applications
such as motor speed, temperature modulation controls,
lighting controls, and static switching relays.
Alternistor type components only operate in quadrants I, II,
& III and are used in circuits requiring high dv/dt capability.
Standard type devices operate in quadrants I,II,III & IV.
Agency Approval
Agency
Agency File Number
K & J Packages: E71639
Features & Benefits
• RoHS Compliant
• Glass – passivated
junctions
• Voltage capability up to
1000V
Value
40
400 to 1000
50 to 100
Unit
A
V
mA
• Surge capability up to
400A
• Electrically isolated
K & J -Packages are UL
Recognized for 2500Vrms
Main Features
Symbol
I
T(RMS)
V
DRM
/V
RRM
I
GT (Q1)
Applications
Excellent for AC switching and phase control applications
such as heating, lighting, and motor speed controls.
Typical applications are AC solid-state switches, industrial
power tools, exercise equipment, white goods and
commercial appliances.
Alternistor Triacs (no snubber required) are used in
applications with extremely inductive loads requiring
highest commutation performance.
Internally constructed isolated packages are offered for
ease of heat sinking with highest isolation voltage.
Schematic Symbol
MT2
G
MT1
Qxx40xx Series
©2017 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 07/20/17
Teccor
®
brand Thyristors
40 Amp Alternistor (High Commutation) and Standard Triacs
Absolute Maximum Ratings – Alternistor Triac (3 Quadrants)
Symbol
I
T(RMS)
I
TSM
I
2
t
di/dt
I
GTM
P
G(AV)
T
stg
T
J
RMS on-state current (full sine wave)
Non repetitive surge peak on-state current
(full cycle, TJ initial = 25°C)
I2t Value for fusing
Critical rate of rise of on-state current
(IG = 2 x IGT, tr ≤ 100 ns)
Peak gate trigger current
Average gate power dissipation
Storage temperature range
Operating junction temperature range
f = 120 Hz
t
p
≤ 10 μs I
GT
≤ I
GTM
Parameter
Qxx40x7
Qxx40xH6
f = 50 Hz
f = 60 Hz
T
C
= 75 °C
t = 20 ms
t = 16.7 ms
t
p
= 8.3 ms
T
J
= 125 °C
T
J
= 125 °C
T
J
= 125 °C
Value
40
335
400
664
150
2
0.5
-40 to 150
-40 to 125
Unit
A
A
A
2
s
A/μs
A
W
°C
°C
Absolute Maximum Ratings – Standard Triac (4 Quadrants)
Symbol
I
T(RMS)
I
TSM
I
2
t
di/dt
I
GTM
P
G(AV)
T
stg
T
J
Parameter
RMS on-state current
Peak non-repetitive surge current
I
2
t Value for fusing
Critical rate-of-rise of on-state current
Peak gate current
Average gate power dissipation
Storage temperature range
Operating junction temperature range
Qxx40x4
f = 50 Hz
f = 60 Hz
Test Conditions
T
C
= 75 °C
t = 20 ms
t = 16 ms
t
p
= 8.3 ms
f = 120 Hz; T
J
=125 °C
t
p
≤ 10 μs I
GT
≤ I
GTM
T
J
= 125°C
T
J
= 125 °C
Value
40
335
400
664
150
2
0.5
-40 to 150
-40 to 125
Unit
A
A
A
2
s
A/μs
A
W
°C
°C
Qxx40xx Series
©2017 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 07/20/17
Teccor
®
brand Thyristors
40 Amp Alternistor (High Commutation) and Standard Triacs
Electrical Characteristics
(T
J
= 25°C, unless otherwise specified)
— Alternistor Triac (3 Quadrants)
Symbol
I
GT
V
GT
V
GD
I
H
Test Conditions
V
D
= 12V R
L
= 60
Ω
V
D
= 12V R
L
= 60
Ω
V
D
= V
DRM
R
L
= 3.3 kΩ T
J
= 125°C
I
T
= 400mA
400V
dv/dt
V
D
= V
DRM
Gate Open T
J
= 125°C
V
D
= V
DRM
Gate Open T
J
= 100°C
(dv/dt)c
t
gt
(di/dt)c = 21.6 A/ms T
J
= 125°C
I
G
= 2 x I
GT
PW = 15µs I
T
= 56.6A(pk)
600V
800V
1000V
MIN.
TYP
.
30
MIN.
Quadrant
I – II – III
I – II – III
I – II – III
MAX.
MAX.
MIN.
MAX.
80
600
500
475
Value
Qxx40xH6
80
1.3
Qxx40K5
50
1.3
0.2
75
500
475
400
--
20
5
100
700
625
575
500
50
V/µs
µs
V/μs
Qxx40x7
100
2.0
Unit
mA
V
V
mA
Electrical Characteristics
(T
J
= 25°C, unless otherwise specified)
— Standard Triac (4 Quadrants)
Value
Symbol
Test Conditions
Quadrant
I – II – III
IV
ALL
ALL
400V
600V
800V
MAX.
MAX.
MAX.
MIN.
MAX.
MIN.
MIN.
TYP
.
Qxx40x4
50
100
1.3
0.2
80
400
400
400
10
5
Unit
I
GT
V
GT
V
GD
I
H
dv/dt
(dv/dt)c
t
gt
V
D
= 12 V; R
L
= 60
Ω
V
D
= 12 V; R
L
= 60
Ω
V
D
= V
DRM
; R
L
= 3.3 kΩ ; T
J
= 125 °C
I
T
= 400mA (initial)
V
D
= V
DRM
; Gate Open; T
J
= 125 °C
(di/dt)c = 4.3 A/ms; T
J
= 125 °C
I
G
= 2 x I
GT
; PW = 15µs; I
T
= 35.4 A
mA
V
V
mA
V/μs
V/μs
μs
Static Characteristics
Symbol
V
TM
I
DRM
I
RRM
I
TM
= 56.6A t
p
= 380 µs
Test Conditions
T
J
= 25°C
T
J
= 25°C
V
D
= V
DRM
/ V
RRM
T
J
= 125°C
T
J
= 100°C
400 –1000V
400 – 800V
1000V
MAX.
MAX.
MAX.
MAX.
Value
1.8
20
5
5
Unit
V
μA
mA
mA
Qxx40xx Series
©2017 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 07/20/17
Teccor
®
brand Thyristors
40 Amp Alternistor (High Commutation) and Standard Triacs
Thermal Resistances
Symbol
Parameter
Qxx40KH6
Qxx40K5/7
Qxx40K4
Qxx40JH6
Qxx40J7
Value
0.97
°C/W
0.95
Unit
R
θ(J-C)
Junction to case (AC)
Note: xx = voltage
Figure 1: Definition of Quadrants
ALL POLARITIES ARE REFERENCED TO MT1
MT2
(
-
)
Figure 2: Normalized DC Gate Trigger Current for
All Quadrants vs. Junction Temperature
MT2 POSITIVE
(Positive Half Cycle)
4.0
+
MT2
Ratio of I
GT
/ I
GT
(T
J
= 25°C)
I
GT
GATE
MT1
(+)
I
GT
GATE
MT1
3.0
2.0
I
GT
-
(
-
)
REF
MT2
I
GT
GATE
MT1
REF
QII QI
QIII QIV
(+)
REF
MT2
I
GT
GATE
MT1
REF
+
I
GT
1.0
0.0
-40
-15
10
35
60
85
MT2 NEGATIVE
(Negative Half Cycle)
-
110 +125
Junction Temperature -- (°C)
NOTE: Alternistors will not operate in QIV
Note: Alternistors will not operate in QIV
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
4.0
Figure 4: Normalized DC Gate Trigger Voltage for
All Quadrants vs. Junction Temperature
2.0
Ratio of V
GT
/ V
GT
(T
J
= 25°C)
Ratio of I
IH
/ I
IH
(T
J
= 25°C)
3.0
1.5
2.0
1.0
0.5
1.0
0.0
-40
-15
10
35
60
85
110
0.0
-40-
+ 125
15
10
35
60
85
110 +125
Junction Temperature - °C
Junction Temperature - °C
Qxx40xx Series
©2017 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 07/20/17
Teccor
®
brand Thyristors
40 Amp Alternistor (High Commutation) and Standard Triacs
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
Figure 6: Maximum Allowable Case Temperature
vs. On-State Current
Average On-State Power Dissipation
[P
D (AV)
] - Watts
45
130
35
30
25
20
15
10
5
0
0
4
8
12
16
20
24
28
32
36
40
Max Allowable Case Temperature
(T
C
) - ºC
40
120
110
100
90
80
70
60
50
0
5
10
15
20
25
30
35
40
45
50
RMS On-State Current [I
T(RMS)
] - AMPS
RMS On-State Current [I
T(RMS)
] - AMPS
Figure 7: On-State Current vs. On-State Voltage (Typical)
90
Positive or Negative Instantaneous
On-State Current (i
T
) - AMPS
80
T
C
= 25ºC
70
60
50
40
30
20
10
0
0.6
0.8
1.0
1.2
1.4
1.6
Positive or Negative Instantaneous On-State Voltage (v
T
) - Volts
Figure 8: Surge Peak On-State Current vs. Number of Cycles
1000
Peak Surge (Non-repetitive) On-State Current
(I
TSM
) – Amps
Supply Frequency: 60Hz Sinusoidal
Load: Resistive
RMS On-State [I
T(RMS)
]: Max Rated Value at
Specific Case Temperature
Notes:
1) Gate control may be lost during and
immediately following surge current interval.
2) Overload may not be repeated until junction
temperature has returned to steady-state
rated value.
100
10
1
1
10
100
1000
Surge Current Duration – Full Cycles
Qxx40xx Series
©2017 Littelfuse, Inc
Specifications are subject to change without notice.
Revised: 07/20/17
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