Teccor
®
brand Thyristors
12 Amp Standard SCRs
Sxx12x Series
Description
RoHS
Excellent unidirectional switches for phase control and
general switching applications such as heating, motor
control controls, converters / rectifiers and capacitive
discharge ignitions.
Standard phase control SCRs are triggered with few
milliamperes of current at less than 1.5V potential.
Features & Benefits
• RoHS compliant
• Glass – passivated
junctions
Agency Approval
Agency
Agency File Number
L Package: E71639
• Voltage capability up
to 1000 V
• Surge capability up to
120 A
Applications
Typical applications includes capacitive discharge system
for motorcycle engine CDI, portable generator engine
ignition, strobe lights and nailers, as well as generic
rectifiers, battery voltage regulators and converters. Also
controls for power tools, home/brown good and white
goods appliances.
Internally constructed isolated packages are offered for
ease of heat sinking with highest isolation voltage.
Main Features
Symbol
I
T(RMS)
V
DRM
/ V
RRM
I
GT
Value
12
400 to 1000
20
Unit
A
V
mA
Schematic Symbol
Additional Information
A
K
Datasheet
Resources
Samples
G
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/02/16
Teccor
®
brand Thyristors
12 Amp Standard SCRs
Absolute Maximum Ratings
Symbol
Parameter
Test Conditions
Sxx12L
I
T(RMS)
RMS on-state current
Sxx12R
Sxx12D
Sxx12V
Sxx12L
I
T(AV)
Average on-state current
Sxx12R
Sxx12D
Sxx12V
Sxx12L
Sxx12R
Sxx12D
Sxx12V
Sxx12L
Sxx12R
Sxx12D
Sxx12V
T
C
= 72°C
T
C
= 105°C
T
C
=72°C
T
C
=105°C
f = 50Hz
f = 60Hz
f = 50Hz
f = 60Hz
7
.6
120
130
100
120
70
t
p
= 8.3 ms
60
100
2
0.5
-40 to 150
-40 to 125
A/μs
A
W
°C
A
2
s
A
A
12
A
Value
Unit
I
TSM
Peak non-repetitive surge current
(single half cycle, T
J
(initial) = 25°C)
It
2
I t Value for fusing
2
di/dt
I
GM
P
G(AV)
T
stg
T
J
Note: xx = voltage
Critical rate of rise of on-state current
Peak gate current
Average gate power dissipation
Storage temperature range
Operating junction temperature range
f = 60Hz; T
J
= 125°C
T
J
= 125°C
T
J
= 125°C
Electrical Characteristics
(T
J
= 25°C, unless otherwise specified)
Symbol
I
GT
V
GT
V
D
= 12V R
L
= 60
Ω
V
D
= 12V R
L
= 60
Ω
400V
V
D
= V
DRM
; gate open; T
J
= 100°C
dv/dt
600V
800V
1000V
400V
V
D
= V
DRM
; gate open; T
J
= 125°C
V
GD
I
H
t
q
t
gt
V
D
= V
DRM
R
L
= 3.3 kΩ T
J
= 125°C
I
T
= 200mA (initial)
I
T
= 2A; t
p
= 50µs; dv/dt = 5V/µs; di/dt = 30A/µs
I
G
= 2 x I
GT
PW = 15µs I
T
= 20A
600V
800V
MIN.
MAX.
MAX.
TYP
.
MIN.
Test Conditions
MAX.
MIN.
MAX.
Value
20
1
1.5
350
300
250
100
250
225
200
0.2
40
35
2
V
mA
μs
μs
V/μs
Unit
mA
V
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/02/16
Teccor
®
brand Thyristors
12 Amp Standard SCRs
Static Characteristics
Symbol
V
TM
Test Conditions
I
T
= 24A; t
p
= 380 µs
T
J
= 25°C
I
DRM
/ I
RRM
V
DRM
= V
RRM
400 – 600V
800 – 1000V
400 – 800V
1000V
400 – 800V
MAX.
MAX.
Value
1.6
10
20
500
3000
1000
μA
Unit
V
T
J
= 100°C
T
J
= 125°C
Thermal Resistances
Symbol
Parameter
Sxx12L
R
θ(J-C)
Junction to case (AC)
Sxx12R
Sxx12V
Sxx12D
Sxx12L
R
θ(J-A)
Note: xx = voltage
Value
3.2
1.5
1.6
1.4
50
40
70
Unit
°C/W
Junction to ambient
Sxx12R
Sxx12V
°C/W
Figure 1: Normalized DC Gate Trigger Current
vs. Junction Temperature
2.0
Figure 2: Normalized DC Gate Trigger Voltage
vs. Junction Temperature
2.0
Ratio of I
GT
/ I
GT
(T
J
= 25°C)
Ratio of V
GT
/ V
GT
(T
J
= 25°C)
1.5
1.5
1.0
1.0
0.5
0.5
0.0
-40
-15
10
35
60
85
100
125
0.0
-40
-15
10
35
60
85
110
125
Junction Temperature (T
J
) - (°C)
Junction Temperature (T
J
) - (°C)
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/02/16
Teccor
®
brand Thyristors
12 Amp Standard SCRs
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
2.0
Figure 4: On-State Current vs. On-State
Voltage (Typical)
60
T
J
= 25°C
50
Ratio of I
H
/ I
H
(T
J
= 25°C)
Instantaneous On-state
Current (i
T
) – Amps
1.5
40
1.0
30
20
0.5
10
Sxx12L
Sxx12R
Sxx12V
Sxx12D
0.0
-40
-15
10
35
60
85
110
125
0
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
Junction Temperature (T
J
) - (°C)
Instantaneous On-state Voltage (v
T
) – Volts
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
12
Figure 6: Maximum Allowable Case Temperature
vs. RMS On-State Current
130
120
10
Average On-State Power
Dissipation [P
D(AV)
] - (Watts)
Maximum Allowable
Case Temperature (T
C
)- °C
110
100
90
80
70
60
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
0
2
4
6
8
10
12
14
Sxx12L
Sxx12R
Sxx12V
Sxx12D
8
6
4
2
0
0
2
4
6
8
10
12
RMS On-State Current [I
T(RMS
)] - (Amps)
RMS On-State Current [I
T(RMS)
] - Amps
Figure 7: Maximum Allowable Case Temperature
vs. Average On-State Current
130
Figure 8: Maximum Allowable Ambient Temperature
vs. RMS On-State Current
120
120
Maximum Allowable Ambient
Temperature (T
A
) - °C
100
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
Maximum Allowable Case
Temperature (T
C
) - °C
110
Sxx12R
Sxx12V
Sxx12D
Sxx12L
80
Sxx12R
Sxx12V
Sxx12L
100
60
90
40
80
70
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
0
1
2
3
4
5
6
7
8
20
0
60
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Average On-State Current [I
T(AVE)
] - Amps
Note: xx = voltage
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/02/16
RMS On-State Current [I
T(RMS)
] - Amps
Teccor
®
brand Thyristors
12 Amp Standard SCRs
Figure 9: Maximum Allowable Ambient Temperature
vs. Average On-State Current
120
Figure 10: Peak Capacitor Discharge Current
1000
100
80
Sxx12V
Sxx12L
Sxx12R
Peak Discharge Current (I
TM
) - Amps
Maximum Allowable Ambient
Temperature (T
A
) - °C
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
60
100
40
I
TRM
20
t
W
0
0.0
0.5
1.0
1.5
2.0
10
05
.
5 .0
25.0
50.0
Average On-State Current [I
T(AVE)
] - Amps
Pulse Current Duration (t
w
) - ms
Figure 11: Peak Capacitor Discharge Current Derating
1.2
1.0
Normalized Peak Current
0.8
0.6
0.4
0.2
0.0
0
25
50
75
100
125
150
Case Temperature (T
C
) - °C
Figure 12: Surge Peak On-State Current vs. Number of Cycles
1000
Peak Surge (Non-repetitive)
On-state Current (I
TSM
) – Amps
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS On-State Current: [I
T(RMS)
]: Maximum Rated
Value at Specified Case Temperature
100
10
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.
1
1
Surge Current Duration - Full Cycles
10
10 0
10 0 0
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/02/16
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