40EPF.. Soft Recovery Series
Vishay High Power Products
Fast Soft Recovery
Rectifier Diode, 40 A
Base
common
cathode
2
FEATURES/DESCRIPTION
The 40EPF.. fast soft recovery rectifier series has been
optimized for combined short reverse recovery time and low
forward voltage drop
.
The glass passivation ensures stable reliable operation in
the most severe temperature and power cycling conditions.
TO-247AC modified
1
Cathode
3
Anode
This product series has been designed and qualified for
industrial level.
PRODUCT SUMMARY
V
F
at 20 A
t
rr
V
RRM
< 1.25 V
95 ns
1000/1200 V
APPLICATIONS
• Output rectification and
choppers and converters
freewheeling
in
inverters,
• Input rectifications where severe restrictions on conducted
EMI should be met
MAJOR RATINGS AND CHARACTERISTICS
SYMBOL
V
RRM
I
F(AV)
I
FSM
t
rr
V
F
T
J
1 A, 100 A/µs
20 A, T
J
= 25 °C
Sinusoidal waveform
CHARACTERISTICS
VALUES
1000/1200
40
475
95
1.25
- 40 to 150
UNITS
V
A
ns
V
°C
VOLTAGE RATINGS
PART NUMBER
40EPF10
40EPF12
V
RRM
, MAXIMUM PEAK
REVERSE VOLTAGE
V
1000
1200
V
RSM
, MAXIMUM NON-REPETITIVE
PEAK REVERSE VOLTAGE
V
1100
1300
I
RRM
AT 150 °C
mA
10
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Maximum average forward current
Maximum peak one cycle
non-repetitive surge current
Maximum I
2
t for fusing
Maximum I
2
√t
for fusing
SYMBOL
I
F(AV)
I
FSM
I
2
t
I
2
√t
TEST CONDITIONS
T
C
= 105 °C, 180° conduction half sine wave
10 ms sine pulse, rated V
RRM
applied
10 ms sine pulse, no voltage reapplied
10 ms sine pulse, rated V
RRM
applied
10 ms sine pulse, no voltage reapplied
t = 0.1 to 10 ms, no voltage reapplied
VALUES
40
400
475
800
1131
11 310
A
2
s
A
2
√s
A
UNITS
Document Number: 93149
Revision: 13-Jun-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
1
40EPF.. Soft Recovery Series
Vishay High Power Products
ELECTRICAL SPECIFICATIONS
PARAMETER
Maximum forward voltage drop
Forward slope resistance
Threshold voltage
Maximum reverse leakage current
SYMBOL
V
FM
r
t
V
F(TO)
I
RM
TEST CONDITIONS
40 A, T
J
= 25 °C
T
J
= 125 °C
T
J
= 25 °C
T
J
= 150 °C
VALUES
1.4
6.82
0.94
V
R
= Rated V
RRM
0.1
10
UNITS
V
mΩ
V
mA
Fast Soft Recovery
Rectifier Diode, 40 A
RECOVERY CHARACTERISTICS
PARAMETER
Reverse recovery time
Reverse recovery current
Reverse recovery charge
Snap factor
SYMBOL
t
rr
I
rr
Q
rr
S
TEST CONDITIONS
I
F
at 10 Apk
25 A/µs
25 °C
VALUES
450
6
1.8
0.5
UNITS
ns
A
µC
dir
dt
Q
rr
I
RM(REC)
I
FM
t
rr
t
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
Maximum junction and storage
temperature range
Maximum thermal resistance,
junction to case
Maximum thermal resistance,
junction to ambient
Typical thermal resistance,
case to heatsink
Approximate weight
minimum
maximum
Case style TO-247AC modified (JEDEC)
SYMBOL
T
J
, T
Stg
R
thJC
R
thJA
R
thCS
Mounting surface, smooth and greased
DC operation
TEST CONDITIONS
VALUES
- 40 to 150
0.6
40
0.2
6
0.21
6 (5)
12 (10)
40EPF10
40EPF12
g
oz.
kgf · cm
(Ibf · in)
°C/W
UNITS
°C
Mounting torque
Marking device
www.vishay.com
2
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93149
Revision: 13-Jun-08
40EPF.. Soft Recovery Series
Fast Soft Recovery
Rectifier Diode, 40 A
150
90
Vishay High Power Products
130
120
110
100
90
80
70
60
0
5
10
15
20
25
30
35
40
45
Ø
Maximum Average Forward
Power Loss (W)
Maximum Allowable Case
Temperature (°C)
140
40EPF.. Series
R
thJC
(DC) = 0.6 °C/W
80
70
60
50
40
DC
180°
120°
90°
60°
30°
30°
60°
90°
120°
180°
RMS limit
30
20
10
0
0
10
20
30
40
50
60
70
40EPF.. Series
T
J
= 150 °C
Ø
Conduction period
Conduction angle
Average Forward Current (A)
Fig. 1 - Current Rating Characteristics
Average Forward Current (A)
Fig. 4 - Forward Power Loss Characteristics
150
450
40EPF.. Series
R
thJC
(DC) = 0.6 °C/W
400
At any rated load condition and
with
rated
V
RRM
applied following surge.
Initial T
J
= 150 °C
at 60 Hz 0.0083 s
at 50 Hz 0.0100 s
Maximum Allowable Case
Temperature (°C)
140
130
120
110
100
Peak Half Sine Wave
Forward Current (A)
350
300
250
200
150
100
40EPF.. Series
Ø
Conduction period
30°
90
80
60°
90°
120°
180°
DC
70
60
0
10
20
30
40
50
60
70
1
10
100
Average Forward Current (A)
Fig. 2 - Current Rating Characteristics
Number of Equal Amplitude Half Cycle
Current Pulses (N)
Fig. 5 - Maximum Non-Repetitive Surge Current
70
500
180°
120°
90°
60°
30°
RMS limit
450
Maximum non-repetitive surge current
versus
pulse train duration.
Initial T
J
= 150 °C
No voltage
reapplied
Rated
V
RRM
reapplied
Maximum Average Forward
Power Loss (W)
60
50
40
30
Peak Half Sine Wave
Forward Current (A)
400
350
300
250
200
150
100
0.01
40EPF.. Series
Ø
20
10
0
0
5
10
15
20
25
Conduction angle
40EPF.. Series
T
J
= 150 °C
30
35
40
45
0.1
1
Average Forward Current (A)
Fig. 3 - Forward Power Loss Characteristics
Pulse Train Duration (s)
Fig. 6 - Maximum Non-Repetitive Surge Current
Document Number: 93149
Revision: 13-Jun-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
3
40EPF.. Soft Recovery Series
Vishay High Power Products
1000
Fast Soft Recovery
Rectifier Diode, 40 A
Instantaneous Forward Current (A)
100
10
T
J
= 25 °C
T
J
= 150 °C
40EPF.. Series
1
0
1
2
3
4
5
6
Instantaneous Forward Voltage (V)
Fig. 7 - Forward Voltage Drop Characteristics
0.7
0.6
40EPF.. Series
T
J
= 25 °C
6
5
4
3
I
FM
= 10 A
2
I
FM
= 5 A
1
0
0
40
80
120
160
200
0
40
80
120
160
200
I
FM
= 1 A
40EPF.. Series
T
J
= 25 °C
I
FM
= 40 A
0.5
0.4
I
FM
= 40 A
0.3
0.2
0.1
0
I
FM
= 10 A
I
FM
= 5 A
I
FM
= 1 A
I
FM
= 30 A
Q
rr
- Maximum Reverse
Recovery Charge (µC)
t
rr
- Maximum Reverse
Recovery Time (µs)
I
FM
= 30 A
dI/dt - Rate of Fall of Forward Current (A/µs)
Fig. 8 - Recovery Time Characteristics, T
J
= 25 °C
dI/dt - Rate of Fall of Forward Current (A/µs)
Fig. 10 - Recovery Charge Characteristics, T
J
= 25 °C
2.0
40EPF.. Series
T
J
= 150 °C
20
40EPF.. Series
T
J
= 150 °C
I
FM
= 60 A
Q
rr
- Maximum Reverse
Recovery Charge (µC)
t
rr
- Maximum Reverse
Recovery Time (µs)
1.6
I
FM
= 60 A
I
FM
= 40 A
I
FM
= 20 A
I
FM
= 10 A
I
FM
= 5 A
I
FM
= 1 A
16
I
FM
= 40 A
12
I
FM
= 20 A
8
I
FM
= 10 A
I
FM
= 5 A
I
FM
= 1 A
1.2
0.8
0.4
4
0
0
40
80
120
160
200
0
0
40
80
120
160
200
dI/dt - Rate of Fall of Forward Current (A/µs)
Fig. 9 - Recovery Time Characteristics, T
J
= 150 °C
dI/dt - Rate of Fall of Forward Current (A/µs)
Fig. 11 - Recovery Charge Characteristics, T
J
= 150 °C
www.vishay.com
4
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93149
Revision: 13-Jun-08
40EPF.. Soft Recovery Series
Fast Soft Recovery
Rectifier Diode, 40 A
30
25
20
15
10
5
0
0
40
80
120
160
200
40EPF.. Series
T
J
= 25 °C
I
FM
= 40 A
I
FM
= 30 A
50
40EPF.. Series
T
J
= 150 °C
I
FM
= 60 A
I
FM
= 40 A
30
I
FM
= 20 A
I
FM
= 10 A
I
FM
= 5 A
10
I
FM
= 1 A
0
0
40
80
120
160
200
Vishay High Power Products
I
rr
- Maximum Reverse
Recovery Current (A)
I
FM
= 10 A
I
FM
= 5 A
I
FM
= 1 A
I
rr
- Maximum Reverse
Recovery Current (A)
40
20
dI/dt - Rate of Fall of Forward Current (A/µs)
Fig. 12 - Recovery Current Characteristics, T
J
= 25 °C
dI/dt - Rate of Fall of Forward Current (A/µs)
Fig. 13 - Recovery Current Characteristics, T
J
= 150 °C
Z
thJC
- Transient Thermal Impedance (°C/W)
1
Steady state
value
(DC operation)
Single pulse
D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08
40EPF.. Series
0.1
0.0001
0.001
0.01
0.1
1
10
Square Wave Pulse Duration (s)
Fig. 14 - Thermal Impedance Z
thJC
Characteristics
Document Number: 93149
Revision: 13-Jun-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
5
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