DYNEX DCR1574SY28, DCR1574SY27, DCR1574SY26, DCR1574SY25, DCR1574SY24 Datasheet
DCR1574SY
DCR1574SY
Phase Control Thyristor
Replaces January 2000 version, DS4400-3.0 DS4400-4.0 July 2001
FEATURES
■ Double Side Cooling.
■ High Surge Capability.
■ High Current.
■ Fatigue Free.
APPLICATIONS
■ High Power Drives.
■ High Voltage Power Supplies.
■ DC Motor Control.
VOLTAGE RATINGS
Type Number
Repetitive Peak
Voltages
V
DRM VRRM
DCR1574SY28
DCR1574SY27
DCR1574SY26
DCR1574SY25
DCR1574SY24
2800
2700
2600
2500
2400
Lower voltage grades available.
V
Conditions
= 0˚ to 125˚C,
T
vj
I
= I
, V
& V
& V
RRM
RRM tp
= 300mA,
RSM
RRM
DRM
V
DRM
V
DSM
V
DRM
respectively
= 10ms,
=
+ 100V
ORDERING INFORMATION
When ordering, select the required part number shown in the
Voltage Ratings selection table.
For example:
DCR1574SY25
Note: Please use the complete part number when ordering
and quote this number in any future correspondance relating
to your order.
KEY PARAMETERS
V
DRM
I
T(AV)
I
TSM
dVdt 1000V/
dI/dt 300A/
2800V
3419A
54500A
µs
µs
Outline type code: Y
See Package Details for further information.
(The DCR1574 is also available in a thin package, type code V.
Please contact Customer Services for more information).
Fig. 1 Package outline
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DCR1574SY
CURRENT RATINGS
T
= 60˚C unless stated otherwise
case
Symbol Parameter Conditions
Double Side Cooled
I
T(AV)
I
T(RMS)
I
Mean on-state current
RMS value
T
Continuous (direct) on-state current
Half wave resistive load 3419 A
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 2197 A
CURRENT RATINGS
T
= 80˚C unless stated otherwise
case
Symbol Parameter Conditions
Double Side Cooled
UnitsMax.
- 5370 A
- 4836 A
- 3451 A
- 2857 A
UnitsMax.
I
T(AV)
I
T(RMS)
I
T
Mean on-state current
RMS value
Continuous (direct) on-state current
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 2667 A
- 4189 A
- 3680 A
Half wave resistive load 1680 A
- 2640 A
- 2140 A
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SURGE RATINGS
DCR1574SY
Symbol
I
TSM
2
tI
I
I
TSM
I2t
Surge (non-repetitive) on-state current
2
t for fusing
Surge (non-repetitive) on-state current
2
I
t for fusing 14.85 x 106A2s
Parameter
THERMAL AND MECHANICAL DATA
Symbol
R
th(j-c)
R
th(c-h)
Thermal resistance - junction to case
Thermal resistance - case to heatsink
Parameter
Conditions
10ms half sine; T
VR = 50% V
10ms half sine; T
VR = 0
Conditions Min. Max. Units
Double side cooled
Single side cooled
Clamping force 50.0kN
with mounting compound
case
- 1/4 sine
RRM
case
= 125oC
= 125oC
dc
Cathode dc
Double side
Single side
Max. Units
43.8 kA
6
9.59 x 10
A2s
54.5 kA
- 0.0095oC/W
o
C/W- 0.019Anode dc
o
- 0.019
0.002
-
C/W
o
C/W
- 0.004oC/W
On-state (conducting) - 135
T
vj
T
stg
-
Virtual junction temperature
Storage temperature range
Clamping force
Reverse (blocking)
-
125
–55 150
45.0 55.0 kN
o
C
o
C
o
C
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