DCR1478SY
DCR1478SY
Phase Control Thyristor
Replaces January 2000 version, DS4646-5. |
DS4646-6.0 July 2001 |
FEATURES
■Double Side Cooling
■High Surge Capability
■High Mean Current
■Fatigue Free
APPLICATIONS
■High Power Drives
■High Voltage Power Supplies
■DC Motor Control
VOLTAGE RATINGS
Type Number |
Repetitive Peak |
Conditions |
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Voltages |
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VDRM VRRM |
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V |
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DCR1478SY48 |
4800 |
Tvj = 0˚ to 125˚C, |
DCR1478SY47 |
4700 |
IDRM = IRRM = 250mA, |
DCR1478SY46 |
4600 |
VDRM, VRRM tp = 10ms, |
DCR1478SY45 |
4500 |
VDSM & VRSM = |
DCR1478SY44 |
4400 |
VDRM & VRRM + 100V |
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respectively |
Lower voltage grades available. |
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ORDERING INFORMATION
When ordering, select the required part number shown in the Voltage Ratings selection table.
For example:
DCR1478SY48
Note: Please use the complete part number when ordering and quote this number in any future correspondance relating to your order.
KEY PARAMETERS
VDRM |
4800V |
IT(AV) |
2073A |
ITSM |
27500A |
dVdt |
1000V/ s |
dI/dt |
300A/ s |
Outline type code: Y
See Package Details for further information.
(The DCR1478 is also available in a thin package, type code V. Please contact Customer Services for more information).
Fig. 1 Package outline
1/8
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DCR1478SY
CURRENT RATINGS
Tcase = 60˚C unless stated otherwise.
Symbol |
Parameter |
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Conditions |
Max. |
Units |
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Double Side Cooled |
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I |
T(AV) |
Mean on-state current |
Half wave resistive load, T |
= 80oC |
2073 |
A |
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case |
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I |
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RMS value |
T |
case |
= 80oC |
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3257 |
A |
T(RMS) |
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IT |
Continuous (direct) on-state current |
Tcase = 80oC |
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2954 |
A |
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Single Side Cooled (Anode side) |
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IT(AV) |
Mean on-state current |
Half wave resistive load, Tcase = 80oC |
1340 |
A |
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I |
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RMS value |
T |
case |
= 80oC |
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2105 |
A |
T(RMS) |
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IT |
Continuous (direct) on-state current |
Tcase = 80oC |
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1759 |
A |
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CURRENT RATINGS
Tcase = 80˚C unless stated otherwise.
Symbol |
Parameter |
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Conditions |
Max. |
Units |
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Double Side Cooled |
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I |
T(AV) |
Mean on-state current |
Half wave resistive load, T |
= 80oC |
1625 |
A |
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case |
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I |
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RMS value |
T |
case |
= 80oC |
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2550 |
A |
T(RMS) |
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IT |
Continuous (direct) on-state current |
Tcase = 80oC |
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2270 |
A |
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Single Side Cooled (Anode side) |
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IT(AV) |
Mean on-state current |
Half wave resistive load, Tcase = 80oC |
1050 |
A |
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I |
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RMS value |
T |
case |
= 80oC |
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1650 |
A |
T(RMS) |
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IT |
Continuous (direct) on-state current |
Tcase = 80oC |
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1450 |
A |
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DCR1478SY
SURGE RATINGS
Symbol |
Parameter |
Conditions |
Max. |
Units |
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ITSM |
Surge (non-repetitive) on-state current |
10ms half sine; |
Tcase = 125oC |
22.0 |
kA |
I2t |
I2t for fusing |
VR = 50% VRRM - 1/4 sine |
2.42 x 106 |
A2s |
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ITSM |
Surge (non-repetitive) on-state current |
10ms half sine; |
Tcase = 125oC |
27.5 |
kA |
I2t |
I2t for fusing |
VR = 0 |
3.78 x 106 |
A2s |
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THERMAL AND MECHANICAL DATA
Symbol |
Parameter |
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Conditions |
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Min. |
Max. |
Units |
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Double side cooled |
dc |
- |
0.0095 |
oC/W |
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R |
Thermal resistance - junction to case |
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Anode dc |
- |
0.019 |
oC/W |
th(j-c) |
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Single side cooled |
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Cathode dc |
- |
0.019 |
oC/W |
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Clamping force 43.0kN |
Double side |
- |
0.002 |
oC/W |
Rth(c-h) |
Thermal resistance - case to heatsink |
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with mounting compound |
Single side |
- |
0.004 |
oC/W |
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On-state (conducting) |
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- |
135 |
oC |
Tvj |
Virtual junction temperature |
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Reverse (blocking) |
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- |
125 |
oC |
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T |
Storage temperature range |
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–55 |
125 |
oC |
stg |
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- |
Clamping force |
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38.0 |
47.0 |
kN |
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3/8
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