DCR1279SD
1/9
APPLICATIONS
s
High Power Drives
s
High Voltage Power Supplies
s
DC Motor Control
FEATURES
s
Double Side Cooling
s
High Surge Capability
s
High Mean Current
s
Fatigue Free
VOLTAGE RATINGS
KEY PARAMETERS
V
DRM
4800V
I
T(AV)
1088A
I
TSM
15000A
dVdt*
300V/
s
dI/dt
200A/
s
Outline type code: D.
See package outline for further information.
*Higher dV/dt selections available
DCR1279SD48
DCR1279SD47
DCR1279SD46
DCR1279SD45
DCR1279SD44
Conditions
T
vj
= 0 to 125C,
I
DRM
= I
RRM
= 150mA,
V
DRM
, V
RRM
t
p
= 10ms,
V
DSM
& V
RSM
=
V
DRM
& V
RRM
+ 100V
respectively
Lower voltage grades available.
Type Number
Repetitive Peak
Voltages
V
DRM
V
RRM
V
CURRENT RATINGS
T
case
= 60C unless stated otherwise.
Symbol
Parameter
Conditions
Double Side Cooled
I
T(AV)
Mean on-state current
I
T(RMS)
RMS value
I
T
Continuous (direct) on-state current
Single Side Cooled (Anode side)
I
T(AV)
Mean on-state current
I
T(RMS)
RMS value
I
T
Continuous (direct) on-state current
Units
Max.
Half wave resistive load,
1088
A
-
1709
A
-
1574
A
Half wave resistive load
762
A
-
1197
A
-
1034
A
4800
4700
4600
4500
4400
DCR1279SD
Phase Control Thyristor
Advance Information
Replaces March 1998 version, DS4643-3.2
DS4643-4.0 January 2000
DCR1279SD
2/9
SURGE RATINGS
Conditions
10ms half sine; T
case
= 125
o
C
V
R
= 50% V
RRM
- 1/4 sine
10ms half sine; T
case
= 125
o
C
V
R
= 0
Max.
Units
Symbol
Parameter
I
TSM
Surge (non-repetitive) on-state current
I
2
t
I
2
t for fusing
I
TSM
Surge (non-repetitive) on-state current
I
2
t
I
2
t for fusing
1.12 x 10
6
A
2
s
15.0
kA
0.72 x 10
6
A
2
s
12.0
kA
THERMAL AND MECHANICAL DATA
dc
Conditions
Min.
Max.
Units
o
C/W
-
0.036
Anode dc
Clamping force 22.0kN
with mounting compound
Thermal resistance - case to heatsink
R
th(c-h)
0.004
Double side
-
125
o
C
T
vj
Virtual junction temperature
T
stg
Storage temperature range
Reverse (blocking)
Single side
-
Thermal resistance - junction to case
R
th(j-c)
Single side cooled
Symbol
Parameter
Clamping force
22.0
24.0
kN
-55
125
o
C
-
On-state (conducting)
-
135
o
C
-
0.008
o
C/W
o
C/W
Cathode dc
-
0.044
o
C/W
Double side cooled
-
0.020
o
C/W
CURRENT RATINGS
T
case
= 80C unless stated otherwise.
Symbol
Parameter
Conditions
Double Side Cooled
I
T(AV)
Mean on-state current
I
T(RMS)
RMS value
I
T
Continuous (direct) on-state current
Single Side Cooled (Anode side)
I
T(AV)
Mean on-state current
I
T(RMS)
RMS value
I
T
Continuous (direct) on-state current
Units
Max.
Half wave resistive load,
860
A
-
1350
A
-
1055
A
Half wave resistive load
590
A
-
930
A
-
860
A
DCR1279SD
3/9
DYNAMIC CHARACTERISTICS
Parameter
Symbol
Conditions
Typ.
Max.
Units
GATE TRIGGER CHARACTERISTICS AND RATINGS
V
DRM
= 5V, T
case
= 25
o
C
Conditions
Parameter
Symbol
V
GT
Gate trigger voltage
V
DRM
= 5V, T
case
= 25
o
C
I
GT
Gate trigger current
V
GD
Gate non-trigger voltage
At V
DRM
T
case
= 125
o
C
4.0
V
400
mA
0.25
V
Max.
Units
V
FGM
Peak forward gate voltage
Anode positive with respect to cathode
V
FGN
Peak forward gate voltage
Anode negative with respect to cathode
V
RGM
Peak reverse gate voltage
I
FGM
Peak forward gate current
Anode positive with respect to cathode
P
GM
Peak gate power
See table, fig.4
P
G(AV)
Mean gate power
30
V
0.25
V
5
V
10
A
150
W
5
W
I
RRM
/I
DRM
Peak reverse and off-state current
At V
RRM
/V
DRM
, T
case
= 125
o
C
From 67% V
DRM
to 1000A
Gate source 10V, 5
t
r
0.5
s, T
j
= 125
o
C
dV/dt
Maximum linear rate of rise of off-state voltage
To 67% V
DRM
T
j
= 125
o
C. Gate open circuit.
-
150
mA
-
300
V/
s
Repetitive 50Hz
-
100
A/
s
Non-repetitive
-
200
A/
s
Rate of rise of on-state current
dI/dt
V
T(TO)
Threshold voltage
At T
vj
= 125
o
C
r
T
On-state slope resistance
At T
vj
= 125
o
C
t
gd
Delay time
1.14
-
V
-
0.587
m
-
2.5
s
V
D
= 67% V
DRM
, Gate source 30V, 15
t
r
= 0.5
s, T
j
= 25
o
C
I
L
Latching current
T
j
= 25
o
C, V
D
= 5V
I
H
Holding current
T
j
= 25
o
C, R
g-k
=
300
1000
mA
-
500
mA
DCR1279SD
4/9
CURVES
Fig.1 Maximum (limit) on-state characteristics
1.0
1.5
2.0
2.5
Instantaneous on-state voltage V
T
- (V)
0
500
1000
1500
2000
2500
Instantaneous on-state current I
T
- (A)
Measured under pulse conditions
T
j
= 125C
3000
3.0
DCR1279SD
5/9
Fig.2 Dissipation curves
0
500
1000
1500
2000
Mean on-state current I
T(AV)
- (A)
0
500
1000
1500
2000
2500
3000
Mean power dissipation - (W)
d.c.
Half wave
3 phase
6 phase
3500
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