DCR1277SD
CURRENT RATINGS
T
case
= 80˚C unless stated otherwise.
Symbol
Double Side Cooled
I
T(AV)
I
T(RMS)
I
T
Mean on-state current
RMS value
Continuous (direct) on-state current
Half wave resistive load
-
-
995
1565
1420
A
A
A
Parameter
Conditions
Max.
Units
Single Side Cooled (Anode side)
I
T(AV)
I
T(RMS)
I
T
Mean on-state current
RMS value
Continuous (direct) on-state current
Half wave resistive load
-
-
690
1085
920
A
A
A
SURGE RATINGS
Symbol
I
TSM
I
2
t
I
TSM
I
2
t
Parameter
Surge (non-repetitive) on-state current
I
2
t for fusing
Surge (non-repetitive) on-state current
I
2
t for fusing
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.
19.0
1.8 x 10
6
23.75
2.82 x 10
6
Units
kA
A
2
s
kA
A
2
s
THERMAL AND MECHANICAL DATA
Symbol
Parameter
Conditions
Double side cooled
R
th(j-c)
Thermal resistance - junction to case
Single side cooled
Cathode dc
Clamping force 22.0kN
with mounting compound
On-state (conducting)
T
vj
Virtual junction temperature
Reverse (blocking)
T
stg
-
Storage temperature range
Clamping force
-
-55
20.0
125
125
24.0
o
Min.
dc
Anode dc
-
-
-
-
-
-
Max.
0.020
0.036
0.044
0.004
0.008
135
Units
o
C/W
o
C/W
C/W
C/W
C/W
o
o
Double side
Single side
o
R
th(c-h)
Thermal resistance - case to heatsink
o
C
C
C
o
kN
2/9
DYNEX [ Dynex Semiconductor ]
