Littelfuse QxNx User Manual
Teccor® brand Thyristors
1 Amp Sensitive & Standard Triacs
Lx01Ex & LxNx & Qx01Ex & QxNx Series
Description
1 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
Main Features
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20 A
junctions
Symbol Value Unit
I
T(RMS)
V
DRM/VRRM
I
GT (Q1)
1A
400 to 600 V
3 to 25 mA
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600 V
Applications
Excellent for lower current heating controls, water valves,
Schematic Symbol
and solenoids.
Typical applications are AC solid-state switches, home/
brown goods and white goods appliances.
MT2 MT1
Sensitive gate Triacs can be directly driven by
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
Non repetitive surge peak on-state current
di/dt
I
GTM
P
G(AV)
T
stg
T
J
Note: x = voltage, y = sensitivity
RMS on-state current
(full sine wave)
(full cycle, TJ initial = 25°C)
2
t Value for fusing tp = 8.3 ms 1.6 A2s
Critical rate of rise of on-state current
= 50mA with 0.1s rise time)
(I
G
Peak gate trigger current tp 10 s
Average gate power dissipation
Storage temperature range
Operating junction temperature range
Lx01Ey/LxNy T
f = 50 Hz t = 20 ms 16.7
f = 60 Hz t = 16.7 ms 20
f = 120 Hz
= 50°C 1 A
C
= 110°C
T
J
T
= 110°C
J
T
= 110°C
J
20 A/s
1A
0.2 W
Lx01Ey -65 to 150
LxNy -40 to 125
Lx01Ey -65 to 110
LxNy -40 to 110
A
°C
°C
Lx01Ex & LxNx & Qx01Ex & QxNx Series
35
Specifications are subject to change without notice.
©2013 Littelfuse, Inc
Revised: 09/23/13
Teccor® brand Thyristors
1 Amp Sensitive & Standard Triacs
Absolute Maximum Ratings — Standard Triacs
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
Symbol Test Conditions Quadrant
I
GT
V
GT
V
GD
I
H
dv/dt VD = V
VD = 12V RL = 60
VD = V
DRM
IT = 100mA MAX. 5 10 10 15 mA
DRM
RMS on-state current
(full sine wave)
Qx01Ey/QxNy T
= 60°C 1 A
C
f = 50 Hz t = 20 ms 16.7
(full cycle, TJ initial = 25°C)
2
t Value for fusing tp = 8.3 ms 1.6 A2s
Critical rate of rise of on-state current
= 200mA with 0.1s rise time)
(I
G
Peak gate trigger current
Average gate power dissipation
Storage temperature range
Operating junction temperature range
= 25°C, unless otherwise specified) — Sensitive Triac (4 Quadrants)
J
*o**o***
IV 3 5 10 20
f = 60 Hz t = 16.7 ms 20
f = 120 Hz
10 s;
t
p
IGT I
GTM
= 125°C
T
J
T
= 125°C
J
T
= 125°C
J
Qx01Ey -65 to 150
QxNy -40 to 150
Qx01Ey -65 to 125
QxNy -40 to 125
MAX.
Lx01E3
LxN3
35510
Lx01E5
LxN5
Lx01E6
LxN6
20 A/s
1A
0.2 W
Lx01E8
LxN8
ALL MAX. 1.3 V
RL = 3.3 k TJ = 110°C ALL MIN. 0.2 V
Gate Open TJ = 100°C
400V
600V 10 10 20 25
TYP.
20 20 30 35
(dv/dt)c (di/dt)c = 0.54 A/ms TJ = 110°C TYP. 0.5 1 1 1 V/s
t
gt
IG = 2 x IGT PW = 15s IT = 1.41 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
*o**o*** MAX. 10 25
IV TYP. 25 50
*o**o*** MAX. 1.3 1.3 V
400V
600V 20 30
MIN.
Qx01E3
QxN3
30 40
Qx01E4
QxN4
(dv/dt)c (di/dt)c = 0.54 A/ms TJ = 125°C TYP. 1 1 V/s
t
gt
Note: x = voltage, y = sensitivity
Lx01Ex & LxNx & Qx01Ex & QxNx Series
IG = 2 x IGT PW = 15s IT = 1.41 A(pk) TYP. 2.5 3.0 s
36
Specifications are subject to change without notice.
©2013 Littelfuse, Inc
Unit
mA
V/s
Revised: 09/23/13
Teccor® brand Thyristors
1 Amp Sensitive & Standard Triacs
Static Characteristics (T
= 25°C, unless otherwise specified)
J
Symbol Test Conditions Value Unit
V
I
I
TM
DRM
RRM
ITM = 1.41A tp = 380 µs MAX. 1.60 V
T
= 25°C 400-600V 2 A
Lx01Ey / LxNy
V
DRM
= V
RRM
MAX.
Qx01Ey / QxNy
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 copper (two-ounce) foil surface
Junction to case (AC)
Junction to ambient L/Qx01Ey 95 °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/Qx01Ey 50
L/QxNy 40
*
°C/W
Figure 2: Normalized DC Gate Trigger Current for
All Quadrants vs. Junction Temperature
4.0
3.0
=25ºC)
j
(T
GT
/I
2.0
GT
1.0
Ratio of I
0.0
-65 -40 -15 10 35 60 85 110 125
Junction Temperature (Tj) - ºC
Lx01Ex & LxNx & Qx01Ex & QxNx Series
37
Specifications are subject to change without notice.
©2013 Littelfuse, Inc
Revised: 09/23/13
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