DIGITRON SEMICONDUCTORS
SC250, SC251, SC250()3 SERIES
BIDIRECTIONAL TRIODE THYRISTOR
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
Peak repetitive off-state voltage
SC250B, SC251B, S250B3
SC250D, SC251D, S250D3
SC250E, SC251E, S250E3
SC250M, SC251M, S250M3
Forward on-state current RMS
Peak forward surge current
(one cycle, sine wave, 60Hz)
Circuit fusing considerations
(t = 1ms)
(t = 8.3ms)
Peak gate power
Average gate power
Peak gate power
(pulse width = 10µs)
Operating junction temperature range
Storage temperature range
Stud torque
Symbol
Value
200
400
500
600
15
100
20
41.5
10
0.5
2
-40 to +115
-40 to +125
30
Unit
V
DRM
Volts
I
T(RMS)
I
TSM
Amps
Amps
I
2
t
P
GM
P
G(AV)
I
GM
T
J
T
stg
A
2
s
Watts
Watts
Amps
°C
°C
In. lb.
THERMAL CHARACTERISTICS
Characteristic
Thermal resistance, junction to case
SC250, SC251
SC250()3
Symbol
R
ӨJC
Maximum
2.0
2.3
Unit
°C/W
ELECTRICAL CHARACTERISTICS
(T
C
= 25°C unless otherwise noted. Values apply for either polarity of MT2. Characteristics referenced to MT1.)
Characteristic
Peak forward blocking current
(V
D
= rated V
DRM
, gate open)
T
C
= 25°C
T
C
= 115°C
Peak on-state voltage
(I
TM
= 21A peak, pulse width = 1ms, duty cycle
≤
2%)
Critical rate of rise of off-state voltage
(Rated V
DRM
, gate open, exponential waveform, T
C
= 115°C)
Critical rate of rise of commutating off-state voltage
(1)
(I
T(RMS)
= Rated RMS on state current, V
D
= V
DRM
, gate open,
commutating di/dt = 8A/ms)
SC250, SC251: T
C
= 84°C
SC250()3: T
C
= 78°C
Gate trigger current
(V
D
= 12V)
MT2(+), G(+); MT2(-), G(-); R
L
= 100Ω)
MT2(+), G(-);R
L
= 50Ω)
Gate trigger current
(V
D
= 12V, T
C
= -40°C)
MT2(+), G(+); MT2(-), G(-); R
L
= 50Ω)
MT2(+), G(-);R
L
= 25Ω)
144 Market Street
Kenilworth NJ 07033 USA
Symbol
Min.
Typ.
Max.
Unit
I
DRM
-
-
-
100
-
-
-
-
0.1
0.5
1.65
-
mA
V
T
Volts
V/µs
dv/dt
dv/dt(c)
4
4
-
-
-
-
V/µs
I
GT
-
-
-
-
50
50
mA
I
GT
-
-
-
-
80
80
sales@digitroncorp.com
www.digitroncorp.com
Rev. 20130213
mA
phone +1.908.245-7200
fax +1.908.245-0555
DIGITRON SEMICONDUCTORS
SC250, SC251, SC250()3 SERIES
Characteristic
Gate trigger voltage
(V
D
= 12V)
MT2(+), G(+); MT2(-), G(-); R
L
= 100Ω)
MT2(+), G(-);R
L
= 50Ω)
Gate trigger voltage
(V
D
= 12V, T
C
= -40°C)
MT2(+), G(+); MT2(-), G(-); R
L
= 50Ω)
MT2(+), G(-);R
L
= 25Ω)
DC gate non-trigger voltage
(all trigger modes)
(V
D
= Rated V
DRM
, R
L
= 1kΩ, T
C
= 115°C)
Holding current
(V
D
= 24V, peak initiating current = 0.5A, pulse width =
0.1 to 10ms, gate trigger source = 7V, 20Ω)
T
C
= 25°C
T
C
= -40°C
Latching current
(V
D
= 24V, gate trigger source = 15V, pulse width = 50µs,
maximum rise and fall times)
MT2(+), G(+); MT2(-), G(-)
MT2(+), G(-), T
C
= 25°C
MT2(+), G(+); MT2(-), G(-)
MT2(+), G(-), T
C
= -40°C
BIDIRECTIONAL TRIODE THYRISTOR
Symbol
Min.
Typ.
Max.
Unit
V
GT
-
-
-
-
2.5
2.5
Volts
V
GT
-
-
0.20
-
-
-
3.5
3.5
-
Volts
V
GD
Volts
I
H
-
-
-
-
50
100
mA
I
L
-
-
-
-
100
200
mA
MECHANICAL CHARACTERISTICS
Case
Marking
Polarity
Digi PF2 (SC251 Series)
Body painted, alpha-numeric
Cathode is stud
DIGI PF2
Inches
Min
Max
0.501
0.505
0.465
0.475
0.330
0.380
0.100
-
0.035
0.085
0.080
0.097
-
0.800
-
0.510
0.065
0.160
Millimeters
Min
Max
12.730
12.830
11.810
12.060
8.390
9.650
2.540
-
0.890
2.160
2.040
2.460
-
20.320
-
12.950
1.650
4.060
A
B
C
E
F
J
K
N
Q
144 Market Street
Kenilworth NJ 07033 USA
phone +1.908.245-7200
fax +1.908.245-0555
sales@digitroncorp.com
www.digitroncorp.com
Rev. 20130213
DIGITRON SEMICONDUCTORS
SC250, SC251, SC250()3 SERIES
MECHANICAL CHARACTERISTICS
Case
Marking
Polarity
TO-48 (SC250 Series)
Body painted, alpha-numeric
Cathode is stud
BIDIRECTIONAL TRIODE THYRISTOR
TO-48
Inches
Min
Max
0.604
0.614
0.551
0.559
1.050
1.190
0.135
0.160
-
0.265
0.420
0.455
0.620
0.670
0.300
0.350
0.055
0.085
0.501
0.505
Millimeters
Min
Max
15.340
15.600
14.000
14.200
2.670
30.230
3.430
4.060
-
6.730
10.670
11.560
15.750
17.020
7.620
8.890
1.400
2.160
12.730
12.830
A
B
C
F
H
J
K
L
Q
T
MECHANICAL CHARACTERISTICS
Case
Marking
Polarity
TO-48 ISO (SC250()3 Series)
Body painted, alpha-numeric
Cathode is stud
TO-48 ISO
Inches
Min
Max
0.551
0.559
0.501
0.505
-
1.280
-
0.160
-
0.265
0.420
0.455
0.300
0.350
0.255
0.275
0.055
0.085
0.135
0.150
Millimeters
Min
Max
14.000
14.200
12.730
12.830
-
32.510
-
4.060
-
6.730
10.670
11.560
7.620
8.890
6.480
6.990
1.400
2.160
3.430
3.810
A
B
C
F
H
J
K
L
Q
T
144 Market Street
Kenilworth NJ 07033 USA
phone +1.908.245-7200
fax +1.908.245-0555
sales@digitroncorp.com
www.digitroncorp.com
Rev. 20130213
DIGITRON SEMICONDUCTORS
SC250, SC251, SC250()3 SERIES
BIDIRECTIONAL TRIODE THYRISTOR
144 Market Street
Kenilworth NJ 07033 USA
phone +1.908.245-7200
fax +1.908.245-0555
sales@digitroncorp.com
www.digitroncorp.com
Rev. 20130213
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