SCRs
Teccor® brand Thyristors
0.8 Amp Sensitive & Standard Triacs
LxX8Ex & LxXx & QxX8E & QxXx Series
Description
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
t3P)4$PNQMJBOU
t(MBTToQBTTJWBUFE
junctions
Main Features
Symbol
I53.4
V%3. /V33.
I(52
Value
Unit
0.8
A
400 to 600
V
3 to 25
mA
t7PMUBHFDBQBCJMJUZVQUP
600 V
t4VSHFDBQBCJMJUZVQUP
10 A
Applications
Excellent for lower current heating controls, water valves,
and solenoids.
Typical applications are AC solid-state switches, home/
brown goods and white goods appliances.
Schematic Symbol
MT2
4FOTJUJWFHBUF5SJBDTDBOCFEJSFDUMZESJWFOCZ
microprocessor or popular opto-couplers/isolators.
MT1
G
Absolute Maximum Ratings — Sensitive Triacs (4 Quadrants)
Symbol
Parameter
Value
Unit
A
3.4POTUBUFDVSSFOUGVMMTJOFXBWF
LxX8y/LxXy
TC = 50°C
0.8
I54.
Non repetitive surge peak on-state current
(full cycle, TJJOJUJBM¡$
G)[
t = 20 ms
8.3
G)[
t = 16.7 ms
10
I 2t
I2t Value for fusing
I53.4
tp = 8.3 ms
A
0.41
A2s
di/dt
Critical rate of rise of on-state current
(I( = 50mA with cçTSJTFUJNF
G)[
TJ = 110°C
20
A/μs
I(5.
Peak gate trigger current
tp = 10 μs
TJ = 110°C
1
A
P("7
Average gate power dissipation
TJ = 110°C
0.2
W
LxX8Ey
-65 to 150
LxXy
-40 to 150
LxX8Ey
-65 to 110
LxXy
-40 to 110
4UPSBHFUFNQFSBUVSFSBOHF
Tstg
TJ
Operating junction temperature range
°C
°C
Note: x = voltage, y = sensitivity
©2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
15
Revised: March 31, 2010 03:44 PM
LxX8Ex & LxXx & QxX8Ex & QxXx Series
0.8 A TRIACs
0.8 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.
Teccor® brand Thyristors
0.8 Amp Sensitive & Standard Triacs
Absolute Maximum Ratings — Standard Triac
Symbol
Parameter
Value
Unit
A
3.4POTUBUFDVSSFOU
GVMMTJOFXBWF
QxXE8y/
QxXy
TC = 60°C
0.8
I54.
Non repetitive surge peak on-state current
(full cycle, TJJOJUJBM¡$
G)[
t = 20 ms
8.3
G)[
t = 16.7 ms
10
I 2t
I2t Value for fusing
I53.4
tp = 8.3 ms
A
0.41
A2 s
di/dt
Critical rate of rise of on-state current
(I( = 200mA with cçTSJTFUJNF
G)[
TJ = 125°C
20
A/μs
I(5.
Peak gate trigger current
tp = 10 μs;
I(5 c I(5.
TJ = 125°C
1
A
P("7
Average gate power dissipation
TJ = 125°C
0.2
W
L/QxX8Ey
-65 to 150
L/QxXy
-40 to 150
L/QxX8Ey
-65 to 125
L/QxXy
-40 to 125
Tstg
TJ
4UPSBHFKVODUJPOUFNQFSBUVSFSBOHF
Operating junction temperature range
°C
°C
Note: x = voltage, y = sensitivity
Electrical Characteristics (TJ = 25°C, unless otherwise specified) — Sensitive Triac (4 Quadrants)
Symbol
I(5
Test Conditions
Quadrant
*o**o***
VD73L = 30 8
IV
ALL
V(5
V(%
VD = V%3.3L = 3.3 k8 TJ = 110°C
I)
IT = 100mA
dv/dt
VD = V%3.(BUF0QFO5J = 100°C
EWEU
D
EJEU
D"NT5J = 110°C
tgt
I( = 2 x I(5 PW = 15μs IT"QL
ALL
LxX8E3
LxX3
LxX8E5
LxX5
3
5
5
10
3
5
10
20
."9
."9
400V
Unit
mA
V
0.2
V
5
10
15
15
25
30
10
10
20
25
TYP.
0.5
1
1
2
V/μs
TYP.
2.8
3.0
3.0
3.2
μs
TYP.
600V
LxX8E8
LxX8
1.3
.*/
."9
LxX8E6
LxX6
10
15
mA
V/μs
Electrical Characteristics (TJ = 25°C, unless otherwise specified) — Standard Triac
Symbol
I(5
Test Conditions
VD73L = 60 8
V(5
Quadrant
QxX8E3
QxX3
QxX8E4
QxX4
Unit
*o**o***
."9
10
25
IV
TYP.
25
50
*o**o***
."9
1.3
1.3
.*/
0.2
0.2
V
."9
15
25
mA
25
35
15
25
mA
V
V(%
VD = V%3.3L = 3.3 k8 TJ = 125°C
I)
IT = 200mA
dv/dt
VD = V%3.(BUF0QFO5J = 125°C
EWEU
D
EJEU
D"NT5J = 125°C
TYP.
1
1
V/μs
tgt
I( = 2 x I(5 PW = 15μs IT"QL
TYP.
2.5
3.0
μs
ALL
400V
600V
.*/
V/μs
Note: x = voltage
LxX8Ex & LxXx & QxX8Ex & QxXx Series
16
Revised: March 31, 2010 03:44 PM
©2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
Teccor® brand Thyristors
0.8 Amp Sensitive & Standard Triacs
Symbol
Test Conditions
V5.
."9
I5. = 1.13A tp = 380 μs
LxX8Ey / LxXy
I%3.
I33.
."9
V%3. = V33.
QxX8Ey / QxXy
Value
Unit
1.60
V
TJ = 25°C
400-600V
2
μA
TJ = 110°C
400-600V
0.1
mA
TJ = 25°C
400-600V
5
μA
TJ = 125°C
400-600V
1
mA
Thermal Resistances
Symbol
Parameter
3R+$
+VODUJPOUPDBTF"$
3R+"
Junction to ambient
Value
L/QxX8Ey
60
L/QxXy
60*
L/QxX8Ey
135
Unit
°C/W
°C/W
/PUF.PVOUFEPODN2 DPQQFSUXPPVODF
GPJMTVSGBDF
Figure 2: Normalized DC Gate Trigger Current for
All Quadrants vs. Junction Temperature
Figure 1: Definition of Quadrants
ALL POLARITIES ARE REFERENCED TO MT1
+
(+)
IGT
GATE
MT1
IGT
REF
(-)
MT1
IGT
GATE
(+)
MT1
REF
REF
QII QI
QIII QIV
MT2
IGT
IGT
GATE
4.0
MT2
+
IGT (TJ = 25°C)
(-)
MT2 POSITIVE
(Positive Half Cycle)
Ratio of
MT2
IGT
MT2
IGT
GATE
-
MT2 NEGATIVE
(Negative Half Cycle)
©2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
3.0
2.0
1.0
0.0
-65
MT1
-40
-15
10
35
60
85
110
+125
Junction Temperature (TJ)- ºC
REF
17
Revised: March 31, 2010 03:44 PM
LxX8Ex & LxXx & QxX8Ex & QxXx Series
0.8 A TRIACs
Static Characteristics (TJ = 25°C, unless otherwise specified)
Teccor® brand Thyristors
0.8 Amp Sensitive & Standard Triacs
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
Figure 4: Normalized DC Gate Trigger Voltage for
All Quadrants vs. Junction Temperature
4.0
VGT (TJ = 25°C)
4.0
VGT
2.0
Ratio of
IH
Ratio of
IH (TJ = 25°C)
3.0
1.0
3.0
2.0
1.0
0.0
0.0
-65
-40
-15
10
35
60
85
110
-65
125
-40
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
10
35
60
85
110
125
Figure 6: Maximum Allowable Case Temperature
vs. On-State Current
1.3
130
120
1.0
Maximum Allowable
Case Temperature (TC) - °C
Average On-State
Power Dissipation (PD(AV)) - Watts
-15
Junction Temperature (TJ)- ºC
Junction Temperature (TJ)- ºC
CURRENT WAVE FORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
0.8
0.5
0.3
QxX8Ex / QxXx
110
CURRENT WAVE FORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
CASE TEMPERATURE: Measured as
shown on Dimensional Drawing
100
90
80
LxX8Ex / LxXx
70
60
0
50
0
0.25
0.5
0.75
0
1
0.2
Figure 7: Maximum Allowable Ambient Temperature
vs. On-State Current
0.6
0.8
1.0
Figure 8: On-State Current vs. On-State Voltage
(Typical)
6
120
TJ = 25°C
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
FREE AIR RATING – NO HEATSINK
100
5
On-State Current (IT) - Amps
Maximum Allowable
Ambient Temperature (TA) - °C
0.4
RMS On-State Current (IT(RMS)) - Amps
RMS On-State Current (IT(RMS)) - Amps
80
60
40
4
3
2
1
20
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0
RMS On-State Current (IT(RMS)) - Amps
0.6
0.8
1.0
1.2
1.4
1.6
1.8
On-State Voltage (VT) - Volts
LxX8Ex & LxXx & QxX8Ex & QxXx Series
18
Revised: March 31, 2010 03:44 PM
©2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
Teccor® brand Thyristors
0.8 Amp Sensitive & Standard Triacs
Figure 9: Surge Peak On-State Current vs. Number of Cycles
4VQQMZ'SFRVFODZ)[4JOVTPJEBM
-PBE3FTJTUJWF
3.40O4UBUF<*53.4
>.BY3BUFE7BMVFBU
4QFDJmD$BTF5FNQFSBUVSF
Notes:
(BUFDPOUSPMNBZCFMPTUEVSJOHBOEJNNFEJBUFMZ
following surge current interval.
2. Overload may not be repeated until junction
temperature has returned to steady-state
rated value.
10
1
1
10
100
1000
Surge Current Duration – Full Cycles
Soldering Parameters
Pre Heat
1Co'SFFBTTFNCMZ
- Temperature Min (Ts(min))
150°C
- Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
oTFDT
Average ramp up rate (Liquidus Temp)
(TL) to peak
5°C/second max
TS(max) to TL - Ramp-up Rate
5°C/second max
Reflow
- Temperature (TL) (Liquidus)
217°C
- Temperature (tL)
oTFDPOET
+0/-5
260
Time within 5°C of actual peak
Temperature (tp)
oTFDPOET
Ramp-down Rate
5°C/second max
Time 25°C to peak Temperature (TP)
NJOVUFT.BY
Do not exceed
280°C
©2010 Littelfuse, Inc
Ramp-up
TL
tL
TS(max)
Preheat
Ramp-do
Ramp-down
TS(min)
tS
25
Peak Temperature (TP)
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
tP
TP
Temperature
Reflow Condition
time to peak temperature
Time
°C
19
Revised: March 31, 2010 03:44 PM
LxX8Ex & LxXx & QxX8Ex & QxXx Series
0.8 A TRIACs
Peak Surge (Non-repetitive) On-State Current
(ITSM ) – Amps
100
Teccor® brand Thyristors
0.8 Amp Sensitive & Standard Triacs
Physical Specifications
Environmental Specifications
Test
Terminal Finish
.BUUF5JOQMBUFE
Body Material
6-SFDPHOJ[FEFQPYZNFFUJOHnBNNBCJMJUZ
DMBTTJmDBUJPO7
AC Blocking
Lead Material
Temperature Cycling
Copper Alloy
Temperature/
Humidity
Design Considerations
High Temp Storage
Careful selection of the correct device for the application’s
operating parameters and environment will go a long way
UPXBSEFYUFOEJOHUIFPQFSBUJOHMJGFPGUIF5IZSJTUPS(PPE
design practice should limit the maximum continuous
current through the main terminals to 75% of the device
rating. Other ways to ensure long life for a power discrete
semiconductor are proper heat sinking and selection of
voltage ratings for worst case conditions. Overheating,
PWFSWPMUBHFJODMVEJOHEWEU
BOETVSHFDVSSFOUTBSF
the main killers of semiconductors. Correct mounting,
soldering, and forming of the leads also help protect
against component damage.
Low-Temp Storage
Thermal Shock
Autoclave
Specifications and Conditions
.*-45%.$POE""QQMJFE
Peak AC voltage @ 125°C for 1008 hours
.*-45%.
100 cycles; -40°C to +150°C; 15-min
dwell-time
&*"+&%&$+&4%"
1008 hours; 320V - DC: 85°C; 85%
rel humidity
.*-45%.
1008 hours; 150°C
1008 hours; -40°C
.*-45%.
10 cycles; 0°C to 100°C; 5-min dwellUJNFBUFBDIUFNQFSBUVSFTFDNBY
transfer time between temperature
&*"+&%&$+&4%"
IPVST¡$BU"5.T
BOE
3)
Resistance to
Solder Heat
.*-45%.FUIPE
Solderability
"/4*+45%DBUFHPSZ5FTU"
Lead Bend
.*-45%.$POE&
Dimensions — TO-92 (E Package)
TC Measuring Point
Dimension
A
B
MT1
MT2
Gate
E
H
M
Inches
Millimeters
Min
Max
Min
Max
A
0.176
4.47
B
0.500
D
E
0.150
12.70
0.105
2.41
2.67
3.81
'
0.046
0.054
1.16
1.37
(
0.135
0.145
3.43
3.68
)
0.088
2.23
2.44
J
0.176
0.186
4.47
4.73
K
0.088
2.23
2.44
L
0.013
0.33
0.48
.
0.013
0.017
0.33
0.43
All leads insulated from case. Case is electrically nonconductive.
G
F
L
D
K
J
LxX8Ex & LxXx & QxX8Ex & QxXx Series
20
Revised: March 31, 2010 03:44 PM
©2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
Teccor® brand Thyristors
0.8 Amp Sensitive & Standard Triacs
Dimensions — Compak (C Package)
TC / TL Temperature
Measurement Point
Dimension
Gate
B
D
M
N
A
C
Millimeters
Min
Max
Min
Max
0.130
0.156
3.30
B
0.201
0.220
5.10
5.60
C
0.077
0.087
2.20
D
0.181
4.05
4.60
E
0.030
0.063
0.75
1.60
'
0.075
2.45
(
0.002
0.008
0.05
0.20
)
0.077
0.104
2.65
A
P
Inches
MT2
F
H
L
E
J
0.079
(2.0)
K
G
0.079
(2.0)
0.079
(2.0)
0.040
(1.0)
0.030
(0.76)
0.110
(2.8)
Dimensions are in inches
(and millimeters).
Pad Outline
J
0.043
0.053
1.35
K
0.006
0.016
0.15
0.41
L
0.030
0.055
0.76
1.40
.
0.022
0.028
0.56
0.71
N
0.027
0.033
0.84
P
0.052
0.058
1.32
1.47
Product Selector
Voltage
Gate Sensitivity Quadrants
Part Number
Type
Package
3 mA
4FOTJUJWF5SJBD
50
3 mA
3 mA
4FOTJUJWF5SJBD
Compak
X
5 mA
5 mA
4FOTJUJWF5SJBD
50
X
X
5 mA
5 mA
4FOTJUJWF5SJBD
Compak
LxX8E6
X
X
5 mA
10 mA
4FOTJUJWF5SJBD
50
LxX8E8
X
X
10 mA
20 mA
4FOTJUJWF5SJBD
50
QxX8E3
X
X
10 mA
4UBOEBSE5SJBD
50
QxX3
X
X
10 mA
4UBOEBSE5SJBD
Compak
QxX8E4
X
X
25 mA
4UBOEBSE5SJBD
50
QxX4
X
X
25 mA
4UBOEBSE5SJBD
Compak
400V
600V
I – II – III
IV
LxX8E3
X
X
3 mA
LxX3
X
X
LxX8E5
X
LxX5
Note: x = voltage
Packing Options
Part Number
Marking
Weight
L/QxX8Ey
L/QxX8Ey
0.188 g
Bulk
2000
-2Y9&Z31
L/QxX8Ey
0.188 g
3FFM1BDL
2000
L/QxX8EyAP
L/QxX8Ey
0.188 g
Ammo Pack
2000
L/QxXy
0.081 g
Embossed Carrier
2500
-2Y9Z31
Packing Mode
Base Quantity
Note: x = voltage, y = sensitivity
©2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
21
Revised: March 31, 2010 03:44 PM
LxX8Ex & LxXx & QxX8Ex & QxXx Series
0.8 A TRIACs
MT1
Teccor® brand Thyristors
0.8 Amp Sensitive & Standard Triacs
TO-92 (3-lead) Reel Pack (RP) Radial Leaded Specifications
Meets all EIA-468-B 1994 Standards
0.02 (0.5)
0.236
(6.0)
1.6
(41.0)
0.708
(18.0)
0.098 (2.5) MAX
1.26
(32.0)
0.354
(9.0)
0.5
(12.7)
MT1
0.1 (2.54)
MT2
0.2 (5.08)
Gate
0.157 DIA
(4.0)
14.17(360.0)
Flat up
1.97
(50.0)
Dimensions
are in inches
(and millimeters).
Direction of Feed
TO-92 (3-lead) Ammo Pack (AP) Radial Leaded Specifications
Meets all EIA-468-B 1994 Standards
0.02 (0.5)
0.236
(6.0)
1.62
(41.2)
0.708
(18.0)
0.098 (2.5) MAX
1.27
(32.2)
0.354
(9.0)
0.1 (2.54)
0.5
(12.7)
0.157
(4.0) DIA
MT2
MT1
0.2 (5.08)
Gate
Flat down
d
n of Fee
Directio
25 Devices per fold
1.85
(47.0)
12.2
(310.0)
1.85
(47.0)
Dimensions
are in inches
(and millimeters).
13.3
(338.0)
LxX8Ex & LxXx & QxX8Ex & QxXx Series
22
Revised: March 31, 2010 03:44 PM
©2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
Teccor® brand Thyristors
0.8 Amp Sensitive & Standard Triacs
Compak Embossed Carrier Reel Pack (RP) Specifications
Meets all EIA-481-1 Standards
0.157
(4.0)
0.47
(12.0)
MT2
8.0
0.315
(8.0)
Gate
MT1
0.059 DIA
(1.5)
0.8 A TRIACs
0.36
(9.2)
Cover tape
12.99
(330.0)
0.512 (13.0) Arbor
Hole Dia.
Dimensions
are in inches
(and millimeters).
0.49
(12.4)
Direction of Feed
Part Numbering System
Part Marking System
L 4 X8 E 5
DEVICE TYPE
L : Sensitive Triac
Q : Triac
VOLTAGE RATING
4 : 400V
6 : 600V
CURRENT RATING
X8 : 0.8A (TO-92)
X : 0.8A (Compak)
TO-92 (E Package)
SENSITIVITY & TYPE
Sensitive Triac:
3 : 3 mA (QI, II, III, IV)
5 : 5 mA (QI, II, III, IV)
6 : 5 mA (QI, II, III)
10 mA (QIV)
8 : 10 mA (QI, II, III)
20 mA (QIV)
Standard Triac:
3 : 10 mA (QI, II, III)
4 : 25 mA (QI, II, III)
Compak (C Package)
L4X3
L4X8E3
®
®
yxxxx
yxxxx
PACKAGE TYPE
Blank : Compak (Surface Mount)
E : TO-92
©2010 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
23
Revised: March 31, 2010 03:44 PM
LxX8Ex & LxXx & QxX8Ex & QxXx Series
Teccor® brand Thyristors
24
Revised: March 31, 2010 03:44 PM
©2010 Littelfuse, Inc
Specifications are subject to change without notice.