Teccor
®
brand Thyristors
EV Series 0.8 Amp Sensitive SCRs
SxX8xSx Series
Description
RoHS
This new sensitive SCR component series offers a high
static dv/dt with a low turn off (tq) time. It is specifically
designed for GFCI (Ground Fault Circuit Interrupter) and
Gas Ignition applications. All SCRs junctions are glass-
passivated to ensure long term reliability and parametric
stability.
Features
• RoHS compliant and
Halogen-Free
• Thru-hole and surface
mount packages
Main Features
Symbol
I
T(RMS)
V
DRM
/ V
RRM
I
GT
Value
0.8
400 to 800
0.5 to 200
Unit
A
V
μA
• High dv/dt noise immunity
• Improved turn-off time (t
q
)
< 30 μsec
• Sensitive gate for direct
microprocessor interface
• Surge current
capability < 10Amps
• Blocking voltage
( V
DRM
/ V
RRM
)
capability - up to 800V
Schematic Symbol
A
Applications
The SxX8xSx EV series is specifically designed for
GFCI (Ground Fault Circuit Interrupter) and gas ignition
applications.
G
K
Absolute Maximum Ratings
Symbol
I
T(RMS)
RMS on-state current (full sine wave)
Parameter
TO-92
SOT-89
SOT-223
TO-92
I
T(AV)
Average on-state current
SOT-89
SOT-223
TO-92
SOT-89
SOT-223
t
p
= 10 ms
t
p
= 8.3 ms
TO-92
SOT-89
SOT-223
t
p
= 10 μs
—
—
—
T
C
= 55°C
T
C
= 60°C
T
L
= 60°C
T
C
= 55°C
T
C
= 60°C
T
L
= 60°C
F= 50Hz
F= 60Hz
F = 50 Hz
F = 60 Hz
T
J
= 125°C
T
J
= 125°C
T
J
= 125°C
—
—
Value
0.8
0.8
0.8
0.51
0.51
0.51
8
10
0.32
0.41
50
1.0
0.1
-40 to 150
-40 to 125
Unit
A
A
A
A
A
A
A
A
A
2
s
A
2
s
A/µs
A
W
°C
°C
I
TSM
I
2
t
di/dt
I
GM
P
G(AV)
T
stg
T
J
Non repetitive surge peak on-state current
(Single cycle, T
J
initial = 25°C)
I
2
t Value for fusing
Critical rate of rise of on-state current I
G
= 10mA
Peak Gate Current
Average gate power dissipation
Storage junction temperature range
Operating junction temperature range
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: May 4, 2017
Teccor
®
brand Thyristors
EV Series 0.8 Amp Sensitive SCRs
Electrical Characteristics
(T
J
= 25°C, unless otherwise specified)
Symbol
Description
Test Conditions
V
D
= 6V
R
L
= 100
Ω
V
D
= 6V
R
L
= 100
Ω
I
RG
= 10μA
R
GK
= 1 KΩ
Initial Current = 20mA
T
J
= 125°C
V
D
= V
DRM
/V
RRM
Exp. Waveform
R
GK
=1 kΩ
V
D
= V
DRM
R
GK
=1 kΩ
T
J
= 25°C
T
J
= 25°C @ 600 V
R
GK
=1 kΩ
I
G
=10mA
PW = 15μsec
I
T
= 1.6A(pk)
Limit
MIN.
MAX.
MAX.
MIN.
MAX.
Value
SxX8yS1
0.5
5
SxX8yS2
1
50
0.8
5
5
SxX8yS
15
200
Unit
μA
μA
V
V
mA
I
GT
V
GT
V
GRM
I
H
DC Gate Trigger Current
DC Gate Trigger Voltage
Peak Reverse Gate Voltage
Holding Current
(dv/dt)s
Critical Rate-of-Rise of
Off-State Voltage
MIN.
75
V/μs
V
GD
t
q
t
gt
Gate Non-Trigger Voltage
Turn-Off Time
Turn-On Time
MIN.
MAX.
TYP
.
30
2.0
0.2
25
2.0
25
2.0
V
μs
μs
Note: x = voltage, y = package
Static Characteristics
(T
J
= 25°C, unless otherwise specified)
Symbol
V
TM
I
DRM
Description
Peak On-State Voltage
Off-State Current, Peak Repetitive
Test Conditions
I
TM
= 1.6A (pk)
T
J
= 25°C @ V
D
= V
DRM
R
GK
=1 kΩ
T
J
= 125°C @ VD = V
DRM
R
GK
=1 kΩ
Limit
MAX.
MAX.
MAX.
Value
1.70
3
500
Unit
V
μA
μA
Thermal Resistances
Symbol
Description
Test Conditions
TO-92
R
th(j-c)
Junction to case (AC)
I
T
= 0.8A
(RMS)1
SOT-223
SOT-89
TO-92
R
th(j-a)
Junction to ambient
I
T
= 0.8A
(RMS)1
SOT-223
SOT-89
1
Value
75
30
50
150
60
90
Unit
°C/ W
°C/ W
°C/W
°C/ W
°C/ W
°C/W
60Hz AC resistive load condition, 100% conduction.
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: May 4, 2017
Teccor
®
brand Thyristors
EV Series 0.8 Amp Sensitive SCRs
Figure 1: Normalized DC Gate Trigger Current For All
Quadrants vs. Junction Temperature
2.0
Figure 2: Normalized DC Holding Current
vs. Junction Temperature
4.0
I
GT
(T
J
= 25°C)
1.5
3.0
1.0
I
H
(T
J
= 25°C)
I
GT
I
H
-40
-15
+25
+65
+105
+125
2.0
Ratio of
0.5
Ratio of
1.0
0.0
0.0
-55
-35
-15
+5
+25
+45
+65
+85
+105
+125
Junction Temperature (T
J
) - °C
Junction Temperature (T
J
) - °C
Figure 3: Normalized DC Gate Trigger Voltage
vs. Junction Temperature
1.0
0.9
Figure 4: On-State Current vs. On-State
Voltage (Typical)
10
8
6
4
2
0
0.9
1.3
1.7
2.1
2.5
2.9
3.3
3.7
Instantaneous On-state Voltage (VT) – Volts
Instantaneous On-state Current (IT) – Amps
Gate Trigger Voltage (V
GT
) - V
0.8
0.7
0.6
0.5
0.4
0.3
0.2
-40
-25
-10
+5
+20
+35
+50
+65
+80
+95
+110
+125
SxX8xS1
SxX8xS
SxX8xS2
Junction Temperature (T
J
) - °C
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
0.8
Figure 6: Maximum Allowable Case Temperature
vs. On-State Current
130
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0
0.1
Maximum Allowable Case Temperature
(T
C
) -
o
C
Average On-state Power Dissipation
[P
D(AV)
] - Watts
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180
o
120
110
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180
o
CASE TEMPERATURE: Measured as
shown on dimensional drawings
SOT-223 & SOT-89
100
90
TO-92
80
70
60
50
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
RMS On-state Current [I
T(RMS)
] - Amps
RMS On-state Current [I
T(RMS)
] - Amps
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: May 4, 2017
Teccor
®
brand Thyristors
EV Series 0.8 Amp Sensitive SCRs
Figure 7: Surge Peak On-State Current vs. Number of Cycles
20
Peak Surge (Non-repetitive) On-State
Current (I
T S M
) – Amps .
10
9
8
7
6
5
4
3
Supply Frequency: 60Hz Sinusoidal
Load: Resistive
RMS On-State Current [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.
0.8
2
AD
evi
ces
1
1
2
3
4
5 6 7 8 9 10
20
30 40
60 80 100
200
300 400 600
1000
Surge Current Duration - Full Cycle
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
°C
20 – 40 seconds
5°C/second max
8 minutes Max.
280°C
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
Additional Information
Datasheet
Resources
Samples
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: May 4, 2017
Teccor
®
brand Thyristors
EV Series 0.8 Amp Sensitive SCRs
Physical Specifications
Terminal Finish
Body Material
Lead Material
100% Matte Tin-plated.
UL recognized epoxy meeting flammability
classification 94V-0.
Copper Alloy
Reliability/Environmental Tests
Test
AC Blocking
Temperature Cycling
Temperature/
Humidity
Specifications and Conditions
MIL-STD-750, M-1040, Cond A Applied
Peak AC voltage @ 110°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
1008 hours; -40°C
MIL-STD-750 Method 2031
ANSI/J-STD-002, category 3, Test A
MIL-STD-750, M-2036 Cond E
Design Considerations
Careful selection of the correct component 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 component 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.
High Temp Storage
Low-Temp Storage
Resistance to
Solder Heat
Solderability
Lead Bend
Dimensions – TO-92
A
A
T
C
MEASURING POINT
0.175
0.170
0.500
0.135
0.125
0.080
0.016
0.045
0.095
0.015
0.205
0.210
4.450
4.320
12.70
3.430
5.200
5.330
B
C
D
E
F
G
H
I
J
B
0.165
0.105
0.021
0.055
0.105
0.020
3.180
2.040
0.407
1.150
2.420
0.380
4.190
2.660
0.533
1.390
2.660
0.500
SEATING
PLANE
C
GATE
G
CATHODE
H
I
D
ANODE
J
F
F
E
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: May 4, 2017
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