Littelfuse QxXx User Manual

Teccor® brand Thyristors

0.8 Amp Sensitive & Standard Triacs

LxX8Ex & LxXx & QxX8E & QxXx Series

Description

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.

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

Main Features

Symbol Value Unit

I

T(RMS)

V

DRM/VRRM

I

GT (Q1)

0.8 A

400 to 600 V

3 to 25 mA

t3P)4$PNQMJBOU

t(MBTToQBTTJWBUFE

junctions

Applications

Excellent for lower current heating controls, water valves,

t7PMUBHFDBQBCJMJUZVQUP

600 V

t4VSHFDBQBCJMJUZVQUP

10 A

and solenoids.

Schematic Symbol

Typical applications are AC solid-state switches, home/
brown goods and white goods appliances.

Sensitive gate Triacs can be directly driven by

MT2 MT1

microprocessor or popular opto-couplers/isolators.

G

Absolute Maximum Ratings — Sensitive Triacs (4 Quadrants)

Symbol Parameter Value Unit

I

T(RMS)

I

TSM

2

I

tI

di/dt

I

GTM

P

G(AV)

T

stg

T

J

Note: x = voltage, y = sensitivity

RMS on-state current (full sine wave) LxX8y/LxXy TC = 50°C 0.8 A

Non repetitive surge peak on-state current

(full cycle, TJ initial = 25°C)

2

t Value for fusing tp = 8.3 ms 0.41 A2s

Critical rate of rise of on-state current

= 50mA with  0.1s rise time)

(I

G

Peak gate trigger current tp = 10 s

Average gate power dissipation

Storage temperature range

Operating junction temperature range

f = 50 Hz t = 20 ms 8.3

f = 60 Hz t = 16.7 ms 10

f = 120 Hz

= 110°C

T

J

T

= 110°C

J

T

= 110°C

J

LxX8Ey -65 to 150

LxXy -40 to 150

LxX8Ey -65 to 110

LxXy -40 to 110

20 A/s

1A

0.2 W

A

°C

°C

LxX8Ex & LxXx & QxX8Ex & QxXx Series

17

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

Revised: 09/23/13

Teccor® brand Thyristors

0.8 Amp Sensitive & Standard Triacs

Absolute Maximum Ratings — Standard Triac

Symbol Parameter Value Unit

I

T(RMS)

I

TSM

2

tI

I

Non repetitive surge peak on-state current

di/dt

I

GTM

P

G(AV)

T

stg

T

J

Note: x = voltage, y = sensitivity

Electrical Characteristics (T

RMS on-state current

(full sine wave)

(full cycle, TJ initial = 25°C)

2

t Value for fusing tp = 8.3 ms 0.41 A2s

Critical rate of rise of on-state current

= 200mA with  0.1s rise time)

(I

G

Peak gate trigger current

Average gate power dissipation

Storage junction temperature range

Operating junction temperature range

= 25°C, unless otherwise specified) — Sensitive Triac (4 Quadrants)

J

Symbol Test Conditions Quadrant

I

GT

V

GT

V

GD

I

H

VD = 12V RL = 30 

VD = V

IT = 100mA MAX. 5 10 10 15 mA

dv/dt VD = V

RL = 3.3 k TJ = 110°C ALL MIN. 0.2 V

DRM

Gate Open TJ = 100°C

DRM

*o**o***

IV 3 5 10 20

ALL MAX. 1.3 V

400V

600V 10 10 20 25

QxXE8y/

QxXy

= 60°C 0.8 A

T

C

f = 50 Hz t = 20 ms 8.3

f = 60 Hz t = 16.7 ms 10

f = 120 Hz

= 10 s;

t

p

IGT  I

GTM

= 125°C

T

J

T

= 125°C

J

T

= 125°C

J

QxX8Ey -65 to 150

QxXy -40 to 150

QxX8Ey -65 to 125

QxXy -40 to 125

MAX.

TYP.

LxX8E3

LxX3

35510

15 15 25 30

LxX8E5

LxX5

LxX8E6

LxX6

20 A/s

1A

0.2 W

LxX8E8

LxX8

(dv/dt)c (di/dt)c = 0.43 A/ms TJ = 110°C TYP. 0.5 1 1 2 V/s

t

gt

IG = 2 x IGT PW = 15s IT = 1.13 A(pk) TYP. 2.8 3.0 3.0 3.2 s

A

°C

°C

Unit

mA

V/s

Electrical Characteristics (T

Symbol Test Conditions Quadrant

I

GT

V

GT

V

GD

I

H

dv/dt VD = V

VD = 12V RL = 60 

VD = V

RL = 3.3 k TJ = 125°C ALL MIN. 0.2 0.2 V

DRM

IT = 200mA MAX. 15 25 mA

Gate Open TJ = 125°C

DRM

= 25°C, unless otherwise specified) — Standard Triac

J

QxX8E3

*o**o*** MAX. 10 25

IV TYP. 25 50

*o**o*** MAX. 1.3 1.3 V

400V

600V 15 25

MIN.

QxX3

25 35

QxX8E4

QxX4

(dv/dt)c (di/dt)c = 0.43 A/ms TJ = 125°C TYP. 1 1 V/s

t

gt

Note: x = voltage

LxX8Ex & LxXx & QxX8Ex & QxXx Series

IG = 2 x IGT PW = 15s IT = 1.13 A(pk) TYP. 2.5 3.0 s

18

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

Unit

mA

V/s

Revised: 09/23/13

Teccor® brand Thyristors

0.8 Amp Sensitive & Standard Triacs

Static Characteristics (T

= 25°C, unless otherwise specified)

J

Symbol Test Conditions Value Unit

V

TM

I

DRM

I

RRM

ITM = 1.13A tp = 380 µs MAX. 1.60 V

T

= 25°C 400-600V 2 A

LxX8Ey / LxXy

V

DRM

= V

RRM

MAX.

QxX8Ey / QxXy

J

= 110°C 400-600V 0.1 mA

T

J

= 25°C 400-600V 5 A

T

J

= 125°C 400-600V 1 mA

T

J

Thermal Resistances

Symbol Parameter Value Unit

R

(J-C)

R

(J-A)

Note: * = Mounted on 1 cm2 1 copper (two-ounce) foil surface

Junction to case (AC)

Junction to ambient L/QxX8Ey 135 °C/W

Figure 1: Definition of Quadrants

ALL POLARITIES ARE REFERENCED TO MT1

MT2 POSITIVE

(Positive Half Cycle)

MT2

(-)

I

GT

GATE

MT1

I

GT

GATE

REF

MT2

MT1

REF

I

-

GT

(-)

+

(+)

I
GATE

QII

QI
QIV

QIII

(+)

I

GT

GATE

-

MT2 NEGATIVE

(Negative Half Cycle)

GT

MT2

REF

MT2

REF

MT1

MT1

+ I

GT

L/QxX8Ey 60

L/QxXy 60

*

°C/W

Figure 2: Normalized DC Gate Trigger Current for

All Quadrants vs. Junction Temperature

4.0

3.0

GT

I

= 25°C)

J

(T

GT

2.0

I

Ratio of

1. 0

0.0

Junction Temperature (TJ)- ºC

+125

11085603510-15-40-65

LxX8Ex & LxXx & QxX8Ex & QxXx Series

19

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

Revised: 09/23/13

Teccor® brand Thyristors

0.8 Amp Sensitive & Standard Triacs

Figure 3: Normalized DC Holding Current

vs. Junction Temperature

4.0

3.0

H

I

= 25°C)

J

2.0

(T

H

I

1.0

Ratio of

0.0

Junction Temperature (TJ)- ºC

Figure 5: Power Dissipation (Typical)

vs. RMS On-State Current

1.3

1.0

CURRENT WAVE FORM: Sinusoidal

) - Watts

LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°

D(AV)

0.8

0.5

Average On-State

0.3

Power Dissipation (P

0

RMS On-State Current (I

T(RMS)

) - Amps

Figure 4: Normalized DC Gate Trigger Voltage for

All Quadrants vs. Junction Temperature

4.0

3.0

GT

= 25°C)

J

V

(T

GT

2.0

V

1.0

Ratio of

110 12 585603510-15-40-65

0.0

110 12585603510-15-40-65

Junction Temperature (TJ)- ºC

Figure 6: Maximum Allowable Case Temperature

vs. On-State Current

130

120

110

) - °C

C

100

90

80

Maximum Allowable

70

Case Temperature (T

60

10.750.50.250

50

QxX8Ex / QxXx

LxX8Ex / LxXx

RMS On-State Current (I

CURRENT WAVE FORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
CASE TEMPERATURE: Measured as
shown on Dimensional Drawing

) - Amps

T(RMS)

1.00.80.60.40.20

Figure 7: Maximum Allowable Ambient Temperature

vs. On-State Current

120

CURRENT WAVEFORM: Sinusoidal

100

) - °C

A

80

60

Maximum Allowable

40

Ambient Temperature (T

20

RMS On-State Current (I

LxX8Ex & LxXx & QxX8Ex & QxXx Series

LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
FREE AIR RATING – NO HEATSINK

) - Amps

T(RMS)

Figure 8: On-State Current vs. On-State Voltage

(Typical)

6

TJ = 25°C

5

4

) - Amps

T

3

2

On-State Current (I

1

0.60.50.40.30.20.10.0

20

0

1.81.61.41.21.00.80.6

On-State Voltage (VT) - Volts

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

Revised: 09/23/13

Teccor® brand Thyristors

eat

Ramp-do

0.8 Amp Sensitive & Standard Triacs

Figure 9: Surge Peak On-State Current vs. Number of Cycles

100

10

) – Amps

TSM

(I

Peak Surge (Non-repetitive) On-State Current

1

1 10 100 1000

Surge Current Duration – Full Cycles

Soldering Parameters

Reflow Condition 1Co'SFFBTTFNCMZ

- Temperature Min (T

Pre Heat

- Temperature Max (T

- Time (min to max) (ts) oTFDT

Average ramp up rate (Liquidus Temp)
(TL) to peak

T

to TL - Ramp-up Rate 5°C/second max

S(max)

Reflow

- Temperature (TL) (Liquidus) 217°C

- Temperature (tL) oTFDPOET

Peak Temperature (TP) 260

Time within 5°C of actual peak
Temperature (tp)

Ramp-down Rate 5°C/second max

Time 25°C to peak Temperature (TP) 8 minutes Max.

Do not exceed 280°C

) 150°C

s(min)

) 200°C

s(max)

5°C/second max

+0/-5

°C

oTFDPOET

T

P

T

L

T

S(max)

Temperature

T

S(min)

25

Supply Frequency: 60Hz Sinusoidal
Load: Resistive
RMS On-State [I
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.

t

S

time to peak temperature

]: Max Rated Value at

T(RMS)

Ramp-upRamp-up

PreheatPreh

t

P

t

L

Ramp-down

Time

LxX8Ex & LxXx & QxX8Ex & QxXx Series

21

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

Revised: 09/23/13

Teccor® brand Thyristors

0.8 Amp Sensitive & Standard Triacs

Physical Specifications

Terminal Finish 100% Matte Tin-plated

Body Material

UL recognized epoxy meeting flammability
classification 94V-0

Lead Material Copper Alloy

Design Considerations

Careful selection of the correct device for the application’s
operating parameters and environment will go a long way
toward extending the operating life of the Thyristor. Good
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,
overvoltage (including dv/dt), and surge currents are
the main killers of semiconductors. Correct mounting,
soldering, and forming of the leads also help protect
against component damage.

Environmental Specifications

Test

AC Blocking

Temperature Cycling

Temperature/
Humidity

High Temp Storage

Low-Temp Storage 1008 hours; -40°C

Thermal Shock

Autoclave

Resistance to
Solder Heat

Solderability ANSI/J-STD-002, category 3, Test A

Lead Bend MIL-STD-750, M-2036 Cond E

Specifications and Conditions

MIL-STD-750, M-1040, Cond A Applied
Peak AC voltage @ 125°C for 1008 hours

MIL-STD-750, M-1051,
100 cycles; -40°C to +150°C; 15-min
dwell-time

EIA / JEDEC, JESD22-A101
1008 hours; 320V - DC: 85°C; 85%
rel humidity

MIL-STD-750, M-1031,
1008 hours; 150°C

MIL-STD-750, M-1056
10 cycles; 0°C to 100°C; 5-min dwell­time at each temperature; 10 sec (max)
transfer time between temperature

EIA / JEDEC, JESD22-A102
168 hours (121°C at 2 ATMs) and
100% R/H

MIL-STD-750 Method 2031

Dimensions — TO-92 (E Package)

TC Measuring Point

MT1

Gate

M

L

MT2

E

H

F

D

K

J

Dimension

A

A 0.176 0.196 4.47 4.98

Inches Millimeters

Min Max Min Max

B 0.500 12.70

D 0.095 0.105 2.41 2.67

E 0.150 3.81

B

F 0.046 0.054 1.16 1.37

G 0.135 0.145 3.43 3.68

H 0.088 0.096 2.23 2.44

J 0.176 0.186 4.47 4.73

K 0.088 0.096 2.23 2.44

L 0.013 0.019 0.33 0.48

M 0.013 0.017 0.33 0.43

G

All leads insulated from case. Case is electrically nonconductive.

LxX8Ex & LxXx & QxX8Ex & QxXx Series

22

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

Revised: 09/23/13

Teccor® brand Thyristors

0.8 Amp Sensitive & Standard Triacs

Dimensions — Compak (C Package)

TC / TL Temperature

Measurement Point

0.110
(2.8)

A

C

MT2

0.079
(2.0)

B

D

JE

0.079
(2.0)

Pad Outline

M

F

H

L

K

0.079
(2.0)

Gate

N

P

MT1

G

0.040
(1.0)

0.030
(0.76)

Dimensions are in inches
(and millimeters).

Dimension

Inches Millimeters

Min Max Min Max

A 0.130 0.156 3.30 3.95

B 0.201 0.220 5.10 5.60

C 0.077 0.087 1.95 2.20

D 0.159 0.181 4.05 4.60

E 0.030 0.063 0.75 1.60

F 0.075 0.096 1.90 2.45

G 0.002 0.008 0.05 0.20

H 0.077 0.104 1.95 2.65

J 0.043 0.053 1.09 1.35

K 0.006 0.016 0.15 0.41

L 0.030 0.055 0.76 1.40

M 0.022 0.028 0.56 0.71

N 0.027 0.033 0.69 0.84

P 0.052 0.058 1.32 1.47

Product Selector

Part Number

LxX8E3 X X 3 mA 3 mA Sensitive Triac TO-92

LxX3 X X 3 mA 3 mA Sensitive Triac Compak

LxX8E5 X X 5 mA 5 mA Sensitive Triac TO-92

LxX5 X X 5 mA 5 mA Sensitive Triac Compak

LxX8E6 X X 5 mA 10 mA Sensitive Triac TO-92

LxX8E8 X X 10 mA 20 mA Sensitive Triac TO-92

QxX8E3 X X 10 mA Standard Triac TO-92

QxX3 X X 10 mA Standard Triac Compak

QxX8E4 X X 25 mA Standard Triac TO-92

QxX4 X X 25 mA Standard Triac Compak

Note: x = voltage

Voltage Gate Sensitivity Quadrants

Type Package

400V 600V I – II – III IV

Packing Options

Part Number Marking Weight Packing Mode Base Quantity

L/QxX8Ey L/QxX8Ey 0.188 g Bulk 2000

L/QxX8EyRP L/QxX8Ey 0.188 g Reel Pack 2000

L/QxX8EyAP L/QxX8Ey 0.188 g Ammo Pack 2000

L/QxXyRP L/QxXy 0.081 g Embossed Carrier 2500

Note: x = voltage, y = sensitivity

LxX8Ex & LxXx & QxX8Ex & QxXx Series

23

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

Revised: 09/23/13

Teccor® brand Thyristors

0.8 Amp Sensitive & Standard Triacs

TO-92 (3-lead) Reel Pack (RP) Radial Leaded Specifications

Meets all EIA-468-C Standards

0.02 (0.5)

0.236
(6.0)

1.6

(41.0)

0.708
(18.0)

0.354
(9.0)

1.97

(50.0)

0.5

(12.7)

0.1 (2.54)

14.17(360.0)

MT1

0.2 (5.08)

Gate

Direction of Feed

MT2

0.098 (2.5) MAX

Flat up

Dimensions
are in inches
(and millimeters).

0.157
(4.0)

1.26
(32.0)

DIA

TO-92 (3-lead) Ammo Pack (AP) Radial Leaded Specifications

Meets all EIA-468-C Standards

0.02 (0.5)

0.236
(6.0)

1.62

(41.2)

0.708
(18.0)

0.354
(9.0)

0.5

(12.7)

Direction of Feed

0.1 (2.54)

0.2 (5.08)

MT1MT2

Gate

25 Devices per fold

0.098 (2.5) MAX

0.157
(4.0)

Flat down

1.85

(47.0)

12.2

(310.0)

DIA

1.27

(32.2)

LxX8Ex & LxXx & QxX8Ex & QxXx Series

13.3

(338.0)

Dimensions
are in inches

1.85

(47.0)

24

(and millimeters).

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

Revised: 09/23/13

Teccor® brand Thyristors

0.8 Amp Sensitive & Standard Triacs

Compak Embossed Carrier Reel Pack (RP) Specifications

Meets all EIA-481-1 Standards

0.47

(12.0)

0.512 (13.0) Arbor

0.49

(12.4)

0.36
(9.2)

0.157
(4.0)

Hole Dia.

0.315
(8.0)

8.0

MT2

MT1

12.99

(330.0)

Gate

0.059
(1.5)

DIA

Cover tape

Dimensions
are in inches
(and millimeters).

Direction of Feed

Part Marking SystemPart Numbering System

DEVICE TYPE
L : Sensitive Triac
Q : Triac

VOLTAGE RATING
4 : 400V
6 : 600V

CURRENT RATING
X8 : 0.8A (TO-92)
X : 0.8A (Compak)

L 4X8E5

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)

PACKAGE TYPE

Blank : Compak (Surface Mount)
E : TO-92

L4X8E5

YMLXX

®

Date Code Marking

Y:Year Code
M: Month Code
L: Location Code
XX: Lot Serial Code

Compak (C Package)TO-92 (E Package)

®

Date Code Marking

Y:Year Code
M: Month Code
XXX: Lot Trace Code

L4X5

YMXXX

LxX8Ex & LxXx & QxX8Ex & QxXx Series

25

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

Revised: 09/23/13