DYNEX DF45216, DF45214, DF45212, DF45210, DF45208 Datasheet

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DF452
DF452
Fast Recovery Diode
Replaces March 1998 version, DS4213-3.2 DS4213-4.0 January 2000
APPLICATIONS
Induction Heating
A.C. Motor Drives
Inverters And Choppers
Welding
High Frequency Rectification
FEATURES
Double side cooling
High surge capability
Low recovery charge
VOLTAGE RATINGS
Type Number Repetitive Peak
Reverse Voltage
V
RRM
V
DF452 16 DF452 14 DF452 12 DF452 10 DF452 08 DF452 06
1600 1400 1200 1000
800 600
CURRENT RATINGS
Conditions
= V
V
RSM
RRM
+ 100V
KEY PARAMETERS
V
RRM
I
F(AV)
I
FSM
Q
r
t
rr
Outline type code: M771.
See Package Details for further information.
1600V
540A
5000A
35µC
3.2µs
Symbol Parameter Conditions
Double Side Cooled
I
F(AV)
I
F(RMS)
I
Mean forward current
RMS value
F
Continuous (direct) forward current
Half wave resistive load, T
= 65oC 628 A
T
case
T
= 65oC-A
case
Single Side Cooled (Anode side)
I
F(AV)
I
F(RMS)
I
F
Mean forward current
RMS value
Continuous (direct) forward current
Half wave resistive load, T
T
= 65oC-A
case
T
= 65oC-A
case
UnitsMax.
= 65oC 540 A
case
= 65oC-A
case
1/7
DF452
SURGE RATINGS
ParameterSymbol
FSM
FSM
Surge (non-repetitive) forward currentI
Surge (non-repetitive) forward currentI
2
t for fusingI2t
THERMAL AND MECHANICAL DATA
Symbol Parameter
R
R
th(j-c)
th(c-h)
Thermal resistance - junction to case
Thermal resistance - case to heatsink
Conditions
10ms half sine; with 0% V
10ms half sine; with 50% V
Conditions Max. Units
Double side cooled
Single side cooled
Clamping force 5.0kN with mounting compound
= 150oC
RRM, Tj
RRM, Tj
dc
Cathode dc Double side
Single side
= 150oC
Max. Units
5.0 kA
125 x 10
3
-kA
-A
Min.
- 0.07
- 0.147oC/W
0.02
-
- 0.04
A2sI2t for fusingI2t
o
C/W
o
C/W- 0.133Anode dc
o
C/W
o
C/W
2
sI
T
T
stg
Virtual junction temperature
vj
Storage temperature range -55 150
Forward (conducting) - 150
CHARACTERISTICS
Symbol Typ. Units
V
FM
I
RRM
t
rr
Q
RA1
I
RM
K
V
TO
Forward voltage
Peak reverse current Reverse recovery time
Recovered charge (50% chord) Reverse recovery current
Soft factor
Threshold voltage
Parameter
Conditions Max.
At 750A peak, T At V
, T
RRM
case
= 25oC - 1.6 V
case
= 150oC-mA
40
3.2 -
= 200A, diRR/dt = 20A/µs
I
F
T
= 125oC, VR = 100V
case
-35µC
-43A
1.8 - -
At Tvj = 150oC - 1.0 V
o
o
kN5.54.5Clamping force-
µs
C C
2/7
r
T
V
FRM
Slope resistance
At Tvj = 150oC - 0.8 m
Forward recovery voltage di/dt = 1000A/µs, Tj = 125oC--V
DF452
DEFINITION OF K FACTOR AND Q
Q
= 0.5x IRR(t1 + t2)
RA1
dIR/dt
0.5x I
t
1
RR
I
RR
k = t
t
2
1/t2
CURVES
3000
2500
- (A)
F
Measured under pulse conditions
RA1
τ
2000
Tj = 150˚C
1500
Instantaneous forward current I
Tj = 25˚C
1000
500
1.0 1.5 2.0 2.5 3.0 Instantaneous forward voltage V
- (V)
F
Fig.1 Maximum (limit) forward characteristics
3/7
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