DF252
DF252
Fast Recovery Diode
Replaces March 1998 version, DS4142-3.4 |
DS4142-4.0 January 2000 |
APPLICATIONS
■Induction Heating
■A.C. Motor Drives
■Inverters And Choppers
■Welding
■High Frequency Rectification
■UPS
FEATURES
■Double Side Cooling
■High Surge Capability
■Low Recovery Charge
VOLTAGE RATINGS
Type Number |
Repetitive Peak |
Conditions |
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Reverse Voltage |
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VRRM |
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V |
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DF252 16 |
1600 |
VRSM = VRRM + 100V |
DF252 14 |
1400 |
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DF252 12 |
1200 |
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DF252 10 |
1000 |
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DF252 08 |
800 |
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DF252 06 |
600 |
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KEY PARAMETERS
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VRRM |
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1600V |
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IF(AV) |
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360A |
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IFSM |
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3000A |
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Qr |
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35μC |
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trr |
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3.2μs |
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Outline type code: M771.
See Package Details for further information.
CURRENT RATINGS
Symbol |
Parameter |
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Conditions |
Max. |
Units |
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Double Side Cooled |
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I |
Mean forward current |
Half wave resistive load, T |
case |
= 65oC |
360 |
A |
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F(AV) |
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I |
RMS value |
T |
case |
= 65oC |
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560 |
A |
F(RMS) |
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I |
Continuous (direct) forward current |
T |
case |
= 65oC |
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500 |
A |
F |
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Single Side Cooled (Anode side) |
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IF(AV) |
Mean forward current |
Half wave resistive load, Tcase = 65oC |
276 |
A |
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I |
RMS value |
T |
case |
= 65oC |
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435 |
A |
F(RMS) |
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I |
Continuous (direct) forward current |
T |
case |
= 65oC |
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375 |
A |
F |
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1/8
DF252
SURGE RATINGS
Symbol |
Parameter |
Conditions |
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Max. |
Units |
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IFSM |
Surge (non-repetitive) forward current |
10ms half sine; with 0% VRRM, Tj = 150oC |
3.0 |
kA |
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I2t |
I2t for fusing |
45 x 103 |
A2s |
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IFSM |
Surge (non-repetitive) forward current |
10ms half sine; with 50% V |
T |
= 150oC |
2.4 |
kA |
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I2t |
I2t for fusing |
RRM, |
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28.8 x 103 |
A2s |
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THERMAL AND MECHANICAL DATA
Symbol |
Parameter |
Conditions |
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Min. |
Max. |
Units |
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Double side cooled |
dc |
- |
0.07 |
oC/W |
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R |
Thermal resistance - junction to case |
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Anode dc |
- |
0.133 |
oC/W |
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th(j-c) |
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Single side cooled |
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Cathode dc |
- |
0.147 |
oC/W |
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Clamping force 3.5kN |
Double side |
- |
0.02 |
oC/W |
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Rth(c-h) |
Thermal resistance - case to heatsink |
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with mounting compound |
Single side |
- |
0.04 |
oC/W |
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Tvj |
Virtual junction temperature |
On-state (conducting) |
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150 |
oC |
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Tstg |
Storage temperature range |
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-55 |
150 |
oC |
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Clamping force |
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3.0 |
4.0 |
kN |
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2/8
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DF252 |
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CHARACTERISTICS |
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Symbol |
Parameter |
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Conditions |
Typ. |
Max. |
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Units |
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V |
FM |
Forward voltage |
At 450A peak, T |
case |
= 25oC |
- |
1.6 |
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V |
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I |
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Peak reverse current |
At V |
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, T |
case |
= 125oC |
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20 |
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mA |
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RRM |
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RRM |
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trr |
Reverse recovery time |
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3.2 |
- |
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μs |
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QRA1 |
Recovered charge (50% chord) |
IF = 750A, diRR/dt = 100A/μs |
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35 |
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μC |
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I |
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Reverse recovery current |
T |
case |
= 125oC, V |
R |
= 100V |
- |
21 |
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A |
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RM |
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K |
Soft factor |
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1.5 |
- |
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V |
TO |
Threshold voltage |
At T |
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= 150oC |
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- |
1.0 |
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V |
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vj |
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r |
T |
Slope resistance |
At T |
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= 150oC |
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- |
1.33 |
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mΩ |
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vj |
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V |
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Forward recovery voltage |
di/dt = 1000A/μs, T = 125oC |
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50 |
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V |
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FRM |
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j |
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DEFINITION OF K FACTOR AND QRA1
QRA1 = 0.5x IRR(t1 + t2)
dIR/dt |
t2 |
k = t1/t2 |
t1 |
τ |
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0.5x IRR |
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IRR |
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3/8
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