DIGITRON SEMICONDUCTORS
SC143 SERIES
BIDIRECTIONAL TRIODE THYRISTORS
Available Non-RoHS (standard) or RoHS compliant (add PBF suffix).
Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
MAXIMUM RATINGS
Rating
Repetitive peak off-stage voltage, gate open
SC143B
SC143D
SC143E
SC143M
RMS on-state current
(T
C
= 80°C)
Peak non-repetitive surge current
(One Cycle, 60Hz)
Circuit fusing considerations
(t = 1.0ms)
Critical rate of rise of on-state current
Peak gate power
(pulse width = 10µs)
Average gate power
(T
C
= 80°C, t = 8.3ms)
Peak gate current
(pulse width = 10µs)
Operating junction temperature range
Storage temperature range
Symbol
Value
200
400
500
600
8
120
20
10
10
0.5
3.5
-40 to +100
-40 to +125
Unit
V
DRM
Volts
I
T(RMS)
I
TSM
I
2
t
di/dt
P
GM
P
G(AV)
I
GM
T
J
T
stg
Amps
Amps
A
2
s
A/µs
Watts
Watts
Amps
°C
°C
THERMAL CHARACTERISTICS
Characteristics
Thermal resistance, junction to case
Symbol
R
Ө
JC
Max
2.2
Unit
°C/W
ELECTRICAL CHARACTERISTICS
(T
C
= 25°C unless otherwise noted)
Characteristic
Peak off state current
(V
D
= V
DRM
, gate open)
T
C
= 25°C
T
C
= 100°C
(1)
Symbol
Min
Typ
Max
Unit
I
DRM
-
-
-
-
-
-
-
-
-
150
0.1
0.5
1.55
1.65
-
mA
Peak on-state voltage
(1)
(I
TM
= 11A peak, pulse width
≤
1 ms, duty cycle
≤
2%)
(I
TM
= 17A peak, pulse width
≤
1 ms, duty cycle
≤
2%)
Critical rate of rise of off-state voltage
(1)
(V
D
= Rated V
DRM
, gate open, exponential waveform, T
C
= 100°C)
Critical rate of rise of commutating voltage
(1)
(I
T(RMS)
= Rated RMS current on state current, V
DRM
= Rated peak off state voltage, gate
open, commutating di/dt = 4.3A/ms, T
C
= 80°C)
DC gate trigger current
(continuous dc)
(2)
(V
D
= 12V, trigger mode)
MT2(+), G(+), R
L
= 100Ω
MT2(-), G(-), R
L
= 100Ω
MT2(+), G(-), R
L
= 50Ω
MT2(+), G(+), R
L
= 50Ω, T
C
= -40°C
MT2(-), G(-), R
L
= 50Ω, T
C
= -40°C
MT2(+), G(-), R
L
= 25Ω, T
C
= -40°C
V
TM
Volts
dv/dt
V/µs
dv/dt(c)
4
-
-
V/µs
I
GT
-
-
-
-
-
-
-
-
-
-
-
-
50
50
50
80
80
80
mA
144 Market Street
Kenilworth NJ 07033 USA
phone +1.908.245-7200
fax +1.908.245-0555
sales@digitroncorp.com
www.digitroncorp.com
Rev. 20130205
DIGITRON SEMICONDUCTORS
SC143 SERIES
Characteristic
DC gate trigger voltage
(continuous dc)
(2)
(V
D
= 12V, trigger mode)
MT2(+), G(+), R
L
= 100Ω
MT2(-), G(-), R
L
= 100Ω
MT2(+), G(-), R
L
= 50Ω
MT2(+), G(+), R
L
= 50Ω, T
C
= -40°C
MT2(-), G(-), R
L
= 50Ω, T
C
= -40°C
MT2(+), G(-), R
L
= 25Ω, T
C
= -40°C
MT2(+), G(+), R
L
= 1000Ω, T
C
= 100°C
(3)
MT2(-), G(-), R
L
= 1000Ω, T
C
= 100°C
(3)
MT2(+), G(-), R
L
= 1000Ω, T
C
= 100°C
(3)
MT2(-), G(+), R
L
= 1000Ω, T
C
= 100°C
(3)
Holding current
(1)
(main terminal voltage = 24V, peak initiating current = 0.5A, pulse width = 1ms, duty
cycle
≤
2%, gate trigger source = 7V, 20Ω, T
C
= 25°C)
(main terminal voltage = 24V, peak initiating current = 0.5A, pulse width = 1ms, duty
cycle
≤
2%, gate trigger source = 7V, 20Ω, T
C
= -40°C)
Latching current
(2)
(main terminal voltage = 24V, gate trigger source = 15V, 100Ω, trigger mode)
MT2(+), G(+)
MT2(-), G(-)
MT2(+), G(-)
MT2(+), G(+), T
C
= -40°C
MT2(-), G(-), T
C
= -40°C
MT2(+), G(-), T
C
= -40°C
Note 1: Values apply for either polarity of Main Terminal 2 characteristics referenced to Main Terminal 1.
Note 2: Main Terminal 1 is the reference terminal.
Note 3: With V
D
equal to rated off-state voltage.
BIDIRECTIONAL TRIODE THYRISTORS
Symbol
Min
Typ
Max
Unit
V
GT
-
-
-
-
-
-
0.20
0.20
0.20
0.20
-
-
-
-
-
-
-
-
-
-
2.5
2.5
2.5
3.5
3.5
3.5
-
-
-
-
Volts
I
H
-
-
-
-
50
100
mA
I
L
-
-
-
-
-
-
-
-
-
-
-
-
100
100
200
200
200
400
mA
MECHANICAL CHARACTERISTICS
Case
Marking
Polarity
TO-220AB
Alpha-numeric
Cathode is stud
TO-220AB
Inches
Min
Max
0.575 0.620
0.380 0.405
0.160 0.190
0.025 0.035
0.142 0.147
0.095 0.105
0.110 0.155
0.014 0.022
0.500 0.562
0.045 0.055
0.190 0.210
0.100 0.120
0.080 0.110
0.045 0.055
0.235 0.255
-
0.050
0.045
-
-
0.080
Millimeters
Min
Max
14.600 15.750
9.650 10.290
4.060
4.820
0.640
0.890
3.610
3.730
2.410
2.670
2.790
3.930
0.360
0.560
12.700 14.270
1.140
1.390
4.830
5.330
2.540
3.040
2.040
2.790
1.140
1.390
5.970
6.480
-
1.270
1.140
-
-
2.030
A
B
C
D
F
G
H
J
K
L
N
Q
R
S
T
U
V
Z
144 Market Street
Kenilworth NJ 07033 USA
phone +1.908.245-7200
fax +1.908.245-0555
sales@digitroncorp.com
www.digitroncorp.com
Rev. 20130205
DIY/Open Source Hardware
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