Thyristors
30 / 35 Amp Alternistor (High Commutation) Triacs
Qxx30xHx & Qxx35xHx Series
Description
RoHS
The 30 Amp / 35 Amp bi-directional solid state switch series
is designed for AC switching and phase control applications
such as motor speed and temperature modulation controls,
lighting controls, and static switching relays.
Standard type devices normally operate in Quadrants I & III
triggered from AC line.
Alternistor type devices only operate in quadrants I, II, & III
and are used in circuits requiring high dv/dt capability.
Features & Benefits
Agency Approval
Agency
Agency File Number
E71639 (L Package and 30A only)
• RoHS Compliant
• Glass – passivated
junctions
• Voltage capability up
to 800V
• Surge capability up to
350A at 60 Hz half cycle
• L-Package isolation rating
of 2500V rms
Main Features
Applications
Symbol
I
T(RMS)
V
DRM
/ V
RRM
I
GT (Q1)
Value
30 or 35
400 or 600
25 or 50
Unit
A
V
mA
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
Additional Information
Datasheet
Resources
Samples
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/16/18
Thyristors
30 / 35 Amp Alternistor (High Commutation) 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
Parameter
RMS on-state current (full sine wave)
Non repetitive surge peak on-state current
(full cycle, T
J
initial = 25°C)
I
2
t Value for fusing
Critical rate of rise of on-state current
(I
G
= 200mA with
≤
0.1µs rise time)
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
Qxx35RH5/Qxx35NH5
Qxx30LH5/Qxx30LH3
f = 50 Hz
f = 60 Hz
T
C
= 90°C
T
C
= 50°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
35
30
290
350
508
100
2
0.5
-40 to 125
-25 to 125
Unit
A
A
A
2
s
A/μs
A
W
°C
°C
Electrical Characteristics
(T
J
= 25°C, unless otherwise specified)
— Alternistor Triac
(3 Quadrants)
Symbol
I
GT
V
GT
V
GD
I
H
dv/dt
(dv/dt)c
Test Conditions
V
D
= 12V R
L
= 30
Ω
V
D
= 12V R
L
= 30
Ω
V
D
= V
DRM
R
L
= 3.3 kΩ T
J
= 125°C
I
T
= 400mA
V
D
= V
DRM
Gate Open T
J
= 125°C
(di/dt)c = 18.9 A/ms T
J
= 125°C
35A device
I
G
= 2 x I
GT
PW = 15µs I
T
= 49.5A(pk)
30A device
I
G
= 2 x I
GT
PW = 15µs I
T
= 42.4A(pk)
400V
600V
Quadrant
I – II – III
I – II – III
I – II – III
MAX.
MAX.
MIN.
MAX.
MIN.
MIN.
Qxx35RH5
Qxx35NH5
Qxx30LH5
50
2
0.2
75
475
400
20
Qxx30LH3
25
2
0.2
40
350
250
10
Unit
mA
V
V
mA
V/μs
V/µs
t
gt
TYP
.
3
3
µs
Note: xx = voltage/10
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/16/18
Thyristors
30 / 35 Amp Alternistor (High Commutation) Triacs
Static Characteristics
Symbol
V
TM
I
DRM
I
RRM
Test Conditions
35A device
I
TM
= 49.5A t
p
= 380 µs
30A device
I
TM
= 42.4A t
p
= 380 µs
V
D
= V
DRM
/ V
RRM
Qxx35R/NH5
Qxx30LH5
Qxx30LH3
T
J
= 25°C
T
J
= 125°C
400 - 600V
400 - 600V
MAX.
Value
1.5
1.4
10
2
Unit
V
μA
mA
MAX.
Thermal Resistances
Symbol
R
θ(J-C)
Junction to case (AC)
Parameter
Qxx35RH5 / Qxx35NH5
Qxx30LH5 / Qxx30LH3
Qxx35RH5
Qxx30LH5 / Qxx30LH3
Value
0.85
2.30
45
50
°C/W
Unit
R
θ(J-A)
Note: xx = voltage/10
Junction to ambient
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
4.0
MT2 POSITIVE
(Positive Half Cycle)
+
MT2
Ratio of I
GT
/I
GT
(T
J
= 25°C)
I
GT
GATE
MT1
(+)
I
GT
GATE
MT1
3.0
I
GT
-
(
-
)
REF
MT2
I
GT
GATE
MT1
REF
QII QI
QIII QIV
(+)
REF
MT2
I
GT
GATE
MT1
REF
2.0
+
I
GT
1.0
MT2 NEGATIVE
(Negative Half Cycle)
-
0.0
-40
-15
10
35
60
85
110
+125
Junction Temperature - °C
NOTE: Alternistors will not operate in QIV
Note: Alternistors will not operate in QIV
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/16/18
Thyristors
30 / 35 Amp Alternistor (High Commutation) Triacs
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
1.0
0.5
0.0
-40
-15
10
35
60
85
110
+ 125
0.0
-40
-15
10
35
60
85
110
+125
Junction Temperature - °C
Junction Temperature - °C
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
45
Figure 6: Maximum Allowable Case Temperature
vs. On-State Current
130
Average On-State Power Dissipation
[P
D (AV)
] - Watts
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
) - °C
40
120
110
100
90
Qxx35P5
80
70
60
50
Qxx30LH5
Qxx30LH3
Qxx35RH5
Qxx35NH5
0
5
10
15
20
25
30
35
40
RMS On-State Current [I
T(RMS)
] - AMPS
Note: xx = voltage
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
70
T
C
= 25°C
60
50
40
30
20
10
0
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Positive or Negative Instantaneous On-State Voltage
(V
T
) - Volts
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/16/18
Thyristors
30 / 35 Amp Alternistor (High Commutation) Triacs
Figure 8: Surge Peak On-State Current vs. Number of Cycles
1000
Peak Surge (Non-repetitive) On-State Current
(I
TSM
) – Amps
Qxx35RH5
Qxx35NH5
Qxx35P5
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
Qxx30LH5
Qxx30LH3
10
1
1
10
100
1000
Surge Current Duration – Full Cycles
Note: xx = voltage
Soldering Parameters
Reflow Condition
- Temperature Min (T
s(min)
)
Pre Heat
- Temperature Max (T
s(max)
)
- Time (min to max) (t
s
)
Average ramp up rate (Liquidus Temp)
(T
L
) to peak
T
S(max)
to T
L
- Ramp-up Rate
Reflow
- Temperature (T
L
) (Liquidus)
- Time (min to max) (t
s
)
Pb – Free assembly
T
P
Temperature
t
P
Ramp-up
150°C
200°C
60 – 180 secs
5°C/second max
5°C/second max
217°C
60 – 150 seconds
260
+0/-5
T
L
T
S(max)
t
L
Preheat
Ramp-do
Ramp-down
T
S(min)
t
S
time to peak temperature
25
Time
Peak Temperature (T
P
)
Time within 5°C of actual peak
Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
Do not exceed
°C
20 – 40 seconds
5°C/second max
8 minutes Max.
280°C
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/16/18
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