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Teccor® brand Thyristors
4 Amp Sensitive & Standard Triacs
Lxx04xx & Qxx04xx Series
RoHS
Agency Approval
Agency
Agency File Number
L Package : E71639
Main Features
Symbol
IT(RMS)
VDRM/ VRRM
IGT (Q1)
Value
4
400 to 1000
3 to 25
Schematic Symbol
Unit
A
V
mA
MT2
MT1
G
Description
4 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.
Sensitive type devices guarantee gate control in Quadrants
I & IV needed for digital control circuitry.
Standard type devices normally operate in Quadrants I & III
triggered from AC line.
Features & Benefits
• RoHS Compliant
• Glass – passivated
junctions
• Voltage capability up to
1000 V
• Surge capability up to
55 A
• Electrically isolated
“L-Package” is UL
Recognized for 2500Vrms
• Solid-state switching
eliminates arcing or
contact bounce that
create voltage transients
• No contacts to wear out
from reaction of switching
events
• Restricted (or limited) RFI
generation, depending on
activation point of
sine wave
• Requires only a small gate
activation pulse in each
half-cycle
Applications
Typical applications are AC solid-state switches, power
tools, home/brown goods and white goods appliances.
Sensitive gate Triacs can be directly driven by
microprocessor or popular opto-couplers/isolators.
Internally constructed isolated packages are offered for
ease of heat sinking with highest isolation voltage.
Absolute Maximum Ratings — Sensitive Triacs (4 Quadrants)
Symbol
Parameter
IT(RMS)
RMS on-state current
(full sine wave)
Lxx04Ly
Lxx04Ry/Lxx04Vy/Lxx04Dy
ITSM
Non repetitive surge peak on-state current
(full cycle, TJ initial = 25°C)
I2t I2t Value for fusing
di/dt
IGTM
PG(AV)
Tstg
TJ
Critical rate of rise of on-state current
(IG = 50mA with 0.1μs rise time)
Peak gate trigger current
Average gate power dissipation
Storage temperature range
Operating junction temperature range
Note: xx = voltage, y = sensitivity
f = 50 Hz
f = 60 Hz
tp = 8.3 ms
f = 120 Hz
tp 10 μs
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/03/16
TC = 90°C
TC = 95°C
t = 20 ms
t = 16.7 ms
TJ = 110°C
TJ = 110°C
TJ = 110°C
Value
4
33
40
6.6
50
1.2
0.3
-40 to 150
-40 to 110
Unit
A
A
A2s
A/μs
A
W
°C
°C

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Teccor® brand Thyristors
4 Amp Sensitive & Standard Triacs
Absolute Maximum Ratings — Standard Triacs
Symbol
Parameter
IT(RMS)
RMS on-state current
(full sine wave)
Qxx04Ly
Qxx04Ry/Qxx04Vy/Qxx04Dy
ITSM
Non repetitive surge peak on-state current
(full cycle, TJ initial = 25°C)
f = 50 Hz
f = 60 Hz
I2t
di/dt
I2t Value for fusing
Critical rate of rise of on-state current
(IG = 50mA with 0.1μs rise time)
tp = 8.3 ms
f = 120 Hz
IGTM Peak gate trigger current
tIpGT
10 μs;
IGTM
PG(AV)
Average gate power dissipation
Tstg Storage temperature range
TJ Operating junction temperature range
Note: xx = voltage, y = sensitivity
TC = 105°C
TC = 110°C
t = 20 ms
t = 16.7 ms
TJ = 125°C
TJ = 125°C
TJ = 125°C
Value
4
46
55
12.5
50
1.2
0.3
-40 to 150
-40 to 125
Unit
A
A
A2s
A/μs
A
W
°C
°C
Electrical Characteristics (TJ = 25°C, unless otherwise specified) — Sensitive Triac (4 Quadrants)
Symbol
IGT
VGT
VGD
IH
dv/dt
(dv/dt)c
tgt
Test Conditions
Quadrant
VD = 12V RL = 60 Ω
I – II – III
IV
MAX.
VD = 12V RL = 60 Ω
VD = VDRM RL = 3.3 kΩ TJ = 110°C
IT = 100mA
VD = VDRM Gate Open TJ = 100°C
ALL
ALL
400V
600V
MAX.
MIN.
MAX.
TYP.
(di/dt)c = 2.16 A/ms TJ = 110°C
IG = 2 x IGT PW = 15μs IT = 5.6 A(pk)
TYP.
TYP.
Lxx04x3
3
3
5
25
15
0.5
2.8
Lxx04x5 Lxx04x6
55
5 10
1.3
0.2
10 10
25 30
15 20
11
3.0 3.0
Lxx04x8
10
20
15
35
25
1
3.2
Unit
mA
V
V
mA
V/μs
V/μs
μs
Electrical Characteristics (TJ = 25°C, unless otherwise specified) — Standard Triac
Symbol
Test Conditions
Quadrant
IGT VD = 12V RL = 60 Ω
I – II – III
IV
MAX.
TYP.
VGT VD = 12V RL = 60 Ω
I – II – III
MAX.
VGD
VD = VDRM RL = 3.3 kΩ TJ = 125°C
ALL
MIN.
IH IT = 200mA
MAX.
400V
dv/dt
VD = VDRM Gate Open TJ = 125°C
600V
800V
MIN.
(dv/dt)c
tgt
VD = VDRM Gate Open TJ = 100°C
(di/dt)c = 2.16 A/ms TJ = 125°C
IG = 2 x IGT PW = 15μs IT = 5.6 A(pk)
1000V
TYP.
TYP.
Note: xx = voltage, x = package
Qxx04x3
10
25
1.3
0.2
20
40
30
2
2.5
Qxx04x4
25
50
1.3
0.2
30
75
50
40
50
2
3.0
Unit
mA
V
V
mA
V/μs
V/μs
μs
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/03/16

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Teccor® brand Thyristors
4 Amp Sensitive & Standard Triacs
Static Characteristics (TJ = 25°C, unless otherwise specified)
Symbol
VTM
IDRM
IRRM
ITM = 5.6A tp = 380 µs
VDRM = VRRM
Test Conditions
MAX.
MAX.
Lxx04xy
Qxx04xy
TJ = 25°C
TJ = 110°C
TJ = 25°C
TJ = 125°C
TJ = 100°C
400-600V
400-600V
400-1000V
400-800V
1000V
Value
1.60
5
200
10
2
3
Unit
V
μA
μA
μA
mA
Thermal Resistances
Symbol
Rθ(J-C)
Parameter
Junction to case (AC)
Rθ(J-A)
Junction to ambient
Note: xx = voltage, x = package, y = sensitivity
L/Qxx04Dy
L/Qxx04Ly
L/Qxx04Ry
L/Qxx04Vy
L/Qxx04Ly
L/Qxx04Ry
L/Qxx04Vy
Value
1.5
3.5
2.2
1.5
50
45
70
Unit
°C/W
°C/W
Figure 1: Definition of Quadrants
ALL POLARITIES ARE REFERENCED TO MT1
MT2 POSITIVE
MT2 (Positive +Half Cycle)
MT2
(-) I GT
GATE
-I G T
MT1
REF
MT2
(+) I GT
GATE
MT1
QII QI
QIII QIV
REF
MT2
+ IGT
(-) I GT
GATE
(+) I GT
GATE
-MT1
REF
MT2 NEGATIVE
(Negative Half Cycle)
MT1
REF
Figure 2: N ormalized DC Gate Trigger Current for
All Quadrants vs. Junction Temperature
4.0
3.0
2.0
1.0
0.0
-65
-40 -40
10
35
60
85 110 125
Junction Temperature (TJ)- ºC
Additional Information
Datasheet
Resources
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/03/16
Samples

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Teccor® brand Thyristors
4 Amp Sensitive & Standard Triacs
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
4.0
3.0
2.0
1.0
0.0
-65
-40 -40
10
35
60
85
Junction Temperature (TJ)- ºC
110 125
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
4.0
CURRENT WAVE FORM: Sinusoidal
3.0 LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
2.0
1.0
0.0
0.0
1.0 2.0 3.0 4.0
RMS On-State Current (IT(RMS)) - Amps
5.0
Figure 7: Maximum Allowable Case Temperature
vs. On-State Current
110
105
100
Lxx04Ry
Lxx04Vy
Lxx04Dy
CURRENT WAVE FORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
CASETEMPERATURE: Measured
as shown on Dimensional Drawing
Lxx04Ly
95
90
85
80
75
70
65
60
0 123 4
RMS On-State Current (IT(RMS)) - Amps
Note: xx = voltage, y = sensitivity
5
6
Figure 4: N ormalized DC Gate Trigger Voltage for
All Quadrants vs. Junction Temperature
2.0
1.5
1.0
0.5
0.0
-65 -40 -40 10 35 60 85 110 125
Junction Temperature (TJ)- ºC
Figure 6: M aximum Allowable Case Temperature
vs. On-State Current
125
120
115
110
105
100
95
90
85
80
75
0
Qxx04Ry
Qxx04Vy
Qxx04Dy
CURRENT WAVE FORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
CASETEMPERATURE: Measured
as shown on Dimensional Drawing
Qxx04Ly
123 45
RMS On-State Current (IT(RMS)) - Amps
6
Figure 8: Maximum Allowable Ambient Temperature
vs. On-State Current
120
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
100
CONDUCTION ANGLE: 360°
FREE AIR RATING – NO HEATSINK
80
Qxx04Ly
Qxx04Ry
60
L/Qxx04Vy
40
Lxx04Ly
20
0.0
0.2
0.4 0.6 0.8 1.0 1.2 1.4 1.6
RMS On-State Current [IT(RMS)] - Amps
1.8 2.0
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/03/16

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Teccor® brand Thyristors
4 Amp Sensitive & Standard Triacs
Figure 9: On-State Current vs. On-State Voltage (Typical)
20
18 TJ = 25°C
16
14
12
10
8
6
4
2
0
0.6
0.8
1.0 1.2 1.4
Positive or Instantaneous
On-State Voltage (VT) - Volts
1.6
1.8
Figure 10: Surge Peak On-State Current vs. Number of Cycles
100
Qxx04Ry
Qxx04Ly
Qxx04Dy
Qxx04Vy
Lxx04Ry
10 Lxx04Ly
Lxx04Dy
Lxx04Vy
1
1 10 100
Surge Current Duration – Full Cycles
Note: xx = voltage, y = sensitivity
1000
Supply Frequency: 60Hz Sinusoidal
Load: Resistive
RMS On-State [IT(RMS)]: Max Rated Value at
Specific Case Temperature
Notes:
1. G ate control may be lost during and immediately
following surge current interval.
2. O verload may not be repeated until junction
temperature has returned to steady-state
rated value.
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/03/16