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Bulletin PD -2.337 rev. C 05/01
Ultrafast Recovery
Ultrasoft Recovery
Very Low
I
RRM
Very Low
Q
rr
Specified at Operating Conditions
Benefits
Reduced RFI and EMI
Reduced Power Loss in Diode and Switching
Transistor
Higher Frequency Operation
Reduced Snubbing
Reduced Parts Count
Features
Description
International Rectifier's HFA50PA60C is a state of the art center tap ultra fast
recovery diode. Employing the latest in epitaxial construction and advanced
processing techniques it features a superb combination of characteristics which
result in performance which is unsurpassed by any rectifier previously available.
With basic ratings of 600 volts and 25 amps per Leg continuous current, the
HFA50PA60C is especially well suited for use as the companion diode for IGBTs
and MOSFETs. In addition to ultra fast recovery time, the HEXFRED product
line features extremely low values of peak recovery current (I
RRM
) and does not
exhibit any tendency to "snap-off" during the t
b
portion of recovery. The
HEXFRED features combine to offer designers a rectifier with lower noise and
significantly lower switching losses in both the diode and the switching transistor.
These HEXFRED advantages can help to significantly reduce snubbing,
component count and heatsink sizes. The HEXFRED HFA50PA60C is ideally
suited for applications in power supplies and power conversion systems (such
as inverters), motor drives, and many other similar applications where high
speed, high efficiency is needed.
Ultrafast, Soft Recovery Diode
HEXFRED
TM
HFA50PA60C
Parameter
Max.
Units
V
R
Cathode-to-Anode Voltage
600
V
I
F
@ T
C
= 25C
Continuous Forward Current
I
F
@ T
C
= 100C
Continuous Forward Current
25
I
FSM
Single Pulse Forward Current
225
I
FRM
Maximum Repetitive Forward Current
100
P
D
@ T
C
= 25C
Maximum Power Dissipation
150
P
D
@ T
C
= 100C
Maximum Power Dissipation
60
T
J
Operating Junction and
T
STG
Storage Temperature Range
Absolute Maximum Ratings (per Leg)
-55 to +150
W
A
C
V
R
= 600V
V
F
(typ.)* = 1.3V
I
F(AV)
= 25A
Q
rr
(typ.)= 112nC
I
RRM
(typ.)
= 4.5A
t
rr
(typ.)
= 23ns
di
(rec)M
/dt (typ.)* = 160A/s
*
125C
TO-247AC
1
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1
3
2
HFA50PA60C
Bulletin PD-2.337 rev. C 05/01
2
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Parameter
Min
Typ
Max
Units
T
lead
!
Lead Temperature
300
C
Junction-to-Case, Single Leg Conducting
0.83
Junction-to-Case, Both Legs Conducting
0.42
R
th
JA
"
Thermal Resistance, Junction to Ambient
40
R
th
CS
#
Thermal Resistance, Case to Heat Sink
0.25
6.0
g
0.21
(oz)
6.0
12
Kg-cm
5.0
10
lbfin
Electrical Characteristics (per Leg) @ T
J
= 25C (unless otherwise specified)
Thermal - Mechanical Characteristics
K/W
Wt
Weight
Mounting Torque
R
th
JC
Parameter
Min. Typ. Max. Units
Test Conditions
V
BR
Cathode Anode Breakdown Voltage
600
V
I
R
= 100A
1.3
1.7
I
F
= 25A
1.5
2.0
V
I
F
= 50A
1.3
1.7
I
F
= 25A, T
J
= 125C
1.5
20
V
R
= V
R
Rated
600 2000
T
J
= 125C, V
R
= 0.8 x V
R
Rated
D
Rated
C
T
Junction Capacitance
55
100
pF
V
R
= 200V
Measured lead to lead 5mm from
package body
L
S
Series Inductance
12
nH
See Fig. 3
See Fig. 2
See Fig. 1
V
FM
Max Forward Voltage
A
Max Reverse Leakage Current
I
RM
!
0.063 in. from Case (1.6mm) for 10 sec
"$
Typical Socket Mount
#
Mounting Surface, Flat, Smooth and Greased
Dynamic Recovery Characteristics @ T
J
= 25C (unless otherwise specified)
Parameter
Min Typ Max Units Test Conditions
t
rr
Reverse Recovery Time
23
I
F
= 1.0A, di
f
/dt = 200A/s, V
R
= 30V
t
rr1
50
75
ns
T
J
= 25C
t
rr2
105
160
T
J
= 125C
I
F
= 25A
I
RRM1
Peak Recovery Current
4.5
10
T
J
= 25C
I
RRM2
8.0
15
T
J
= 125C
V
R
= 200V
Q
rr1
Reverse Recovery Charge
112
375
T
J
= 25C
Q
rr2
420 1200
T
J
= 125C
di
f
/dt = 200A/s
di
(rec)M
/dt1
Peak Rate of Fall of Recovery Current
250
T
J
= 25C
di
(rec)M
/dt2
During t
b
160
T
J
= 125C
A/s
nC
A
See Fig. 5, 10
See Fig. 6
See Fig. 7
See Fig. 8
HFA50PA60C
Bulletin PD-2.337 rev. C 05/01
3
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0.01
0.1
1
0.00001
0.0001
0.001
0.01
0.1
1
Notes:
1. Duty factor D = t / t
2. Peak T = P
x Z
+ T
1
2
J
DM
thJC
C
P
t
t
DM
1
2
t , Rectangular Pulse Duration (sec)
Thermal Response
(Z )
1
thJC
0.01
0.02
0.05
0.10
0.20
D = 0.50
SINGLE PULSE
(THERMAL RESPONSE)
Fig. 4 - Maximum Thermal Impedance Z
thjc
Characteristics, (per Leg)
Fig. 2 - Typical Reverse Current vs. Reverse
Voltage, (per Leg)
Fig. 3 - Typical Junction Capacitance vs.
Reverse Voltage, (per Leg)
Fig. 1 - Maximum Forward Voltage Drop
vs. Instantaneous Forward Current,
(per Leg)
Instantaneous Forward Current - I
F
(A)
Reverse Current - I
R
(A)
Junction Capacitance -C
T
(pF)
1
10
100
0.6
1.0
1.4
1.8
2.2
2.6
FM
T = 150C
T = 125C
T = 25C
J
J
J
Forward Voltage Drop - V (V)
0.01
0.1
1
10
100
1000
10000
0
200
400
600
R
T = 150C
T = 125C
T = 25C
J
J
J
Reverse Voltage - V (V)
10
100
1000
1
10
100
1000
T = 25C
J
Reverse Voltage - V (V)
R
A
HFA50PA60C
Bulletin PD-2.337 rev. C 05/01
4
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Fig. 7 - Typical Stored Charge vs. di
f
/dt,
(per Leg)
Fig. 8 - Typical di
(rec)M
/dt vs. di
f
/dt,
(per Leg)
Fig. 5 - Typical Reverse Recovery Time vs.
di
f
/dt, (per Leg)
Fig. 6 - Typical Recovery Current vs. di
f
/dt,
(per Leg)
trr-
(ns)
Qrr-
(nC)
Irr-
(
A)
di (rec) M/dt-
(A /s)
0
20
40
60
80
100
120
140
100
1000
f
di /dt - (A/s)
I = 50A
I = 25A
I = 10A
F
F
F
V = 200V
T = 125C
T = 25C
R
J
J
0
5
10
15
20
25
30
100
1000
f
di /dt - (A/s)
I = 50A
I = 25A
I = 10A
V = 200V
T = 125C
T = 25C
R
J
J
F
F
F
0
200
400
600
800
1000
1200
1400
100
1000
f
di /dt - (A/s)
I = 50A
I = 25A
I = 10A
V = 200V
T = 125C
T = 25C
R
J
J
F
F
F
100
1000
10000
100
1000
f
di /dt - (A/s)
I = 50A
I = 25A
I = 10A
F
F
F
V = 200V
T = 125C
T = 25C
R
J
J
HFA50PA60C
Bulletin PD-2.337 rev. C 05/01
5
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4. Q
rr
- Area under curve defined by t
rr
and I
RRM
t
rr
X I
RRM
Q
rr
=
2
5. di
(rec)M
/dt - Peak rate of change of
current during t
b
portion of t
rr
Fig. 10 - Reverse Recovery Waveform and
Definitions
Fig. 9 - Reverse Recovery Parameter Test
Circuit
t
a
t
b
t
rr
Q
rr
I
F
I
RRM
I
RRM
0.5
di(rec)M/dt
0.75 I
RRM
5
4
3
2
0
1
di /dt
f
1. di
f
/dt - Rate of change of current
through zero crossing
2. I
RRM
- Peak reverse recovery current
3. trr - Reverse recovery time measured
from zero crossing point of negative
going I
F
to point where a line passing
through 0.75 I
RRM
and 0.50 I
RRM
extrapolated to zero current
REVERSE RECOVERY CIRCUIT
IRFP250
D.U.T.
L = 70H
V = 200V
R
0.01
G
D
S
dif/dt
ADJUST
Device Code
1
2
4
3
HF
A
50
PA
60
C
5
Ordering Information Table
1
-
Hexfred Family
2
-
Process Designator A
= subs. elec. irrad.
B
= subs. Platinum
3
-
Current Rating
(50 = 50A)
4
-
Package Outline
(PA = TO-247, 3 pins)
5
-
Voltage Rating
(60 = 600V)
6
-
Configuration
(C
= Center Tap Common Cathode)
6
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