16CTU04
Vishay High Power Products
Ultrafast Rectifier,
2 x 8 A FRED Pt
TM
FEATURES
Base
common
cathode
2
• Ultrafast recovery time
• Low forward voltage drop
• Low leakage current
• 175 °C operating junction temperature
• Designed and qualified for industrial level
Anode
2
Common
cathode
1
3
DESCRIPTION/APPLICATIONS
Anode
TO-220AB
PRODUCT SUMMARY
t
rr
I
F(AV)
V
R
60 ns
2x8A
400 V
FRED Pt
TM
series are the state of the art ultrafast recovery
rectifiers specifically designed with optimized performance
of forward voltage drop and ultrafast recovery time.
The planar structure and the platinum doped life time
control, guarantee the best overall performance,
ruggedness and reliability characteristics.
These devices are intended for use in the output rectification
stage of SMPS, UPS, dc-to-dc converters as well as
freewheeling diode in low voltage inverters and chopper
motor drives.
Their extremely optimized stored charge and low recovery
current minimize the switching losses and reduce over
dissipation in the switching element and snubbers.
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Peak repetitive reverse voltage
Average rectified forward current
Non-repetitive peak surge current
Peak repetitive forward current
Operating junction and storage temperatures
per leg
total device
SYMBOL
V
RRM
I
F(AV)
I
FSM
I
FRM
T
J
, T
Stg
TEST CONDITIONS
VALUES
400
8
T
C
= 155 °C, rated V
R
T
C
= 25 °C
T
C
= 155 °C, rated V
R
, square wave, 20 kHz
16
100
16
- 65 to 175
°C
A
UNITS
V
ELECTRICAL SPECIFICATIONS PER LEG
(T
J
= 25 °C unless otherwise specified)
PARAMETER
Breakdown voltage,
blocking voltage
Forward voltage
SYMBOL
V
BR
,
V
R
V
F
I
R
C
T
L
S
I
R
= 100 µA
I
F
= 8 A
I
F
= 8 A, T
J
= 150 °C
V
R
= V
R
rated
T
J
= 150 °C, V
R
= V
R
rated
V
R
= 400 V
Measured lead to lead 5 mm from package body
TEST CONDITIONS
MIN.
400
-
-
-
-
-
-
TYP.
-
1.19
0.94
0.2
20
14
8.0
MAX.
-
1.3
1.0
10
500
-
-
µA
pF
nH
V
UNITS
Reverse leakage current
Junction capacitance
Series inductance
Document Number: 93009
Revision: 26-Nov-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
1
16CTU04
Vishay High Power Products
Ultrafast Rectifier,
2 x 8 A FRED Pt
TM
DYNAMIC RECOVERY CHARACTERISTICS PER LEG
(T
J
= 25 °C unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
I
F
= 1.0 A, dI
F
/dt = 50 A/µA, V
R
= 30 V
Reverse recovery time
t
rr
T
J
= 25 °C
T
J
= 125 °C
Peak recovery current
I
RRM
Q
rr
T
J
= 25 °C
T
J
= 125 °C
T
J
= 25 °C
T
J
= 125 °C
I
F
= 8 A
dI
F
/dt = 200 A/µs
V
R
= 200 V
MIN.
-
-
-
-
-
-
-
TYP.
35
43
67
2.8
6.3
60
210
MAX.
60
-
-
-
-
-
-
A
ns
UNITS
Reverse recovery charge
nC
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
Maximum junction and storage
temperature range
Thermal resistance,
junction to case
Thermal resistance,
junction to ambient
Thermal resistance,
case to heatsink
Weight
Mounting torque
Marking device
Case style TO-220AB
per leg
per device
SYMBOL
T
J
, T
Stg
R
thJC
R
thJA
R
thCS
Typical socket mount
Mounting surface, flat, smooth
and greased
TEST CONDITIONS
MIN.
- 65
-
-
-
-
-
-
6.0
(5.0)
TYP.
-
3.6
1.8
-
0.5
2.0
0.07
-
MAX.
175
4
2
50
-
-
-
12
(10)
16CTU04
g
oz.
kgf · cm
(lbf
⋅
in)
°C/W
UNITS
°C
www.vishay.com
2
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93009
Revision: 26-Nov-08
16CTU04
Ultrafast Rectifier,
2 x 8 A FRED Pt
TM
100
1000
Vishay High Power Products
I
R
- Reverse Current (µA)
100
10
1
0.1
0.01
0.001
0.0001
I
F
- Instantaneous
Forward Current (A)
T
J
= 175 °C
T
J
= 150 °C
T
J
= 125 °C
T
J
= 100 °C
T
J
= 25 °C
10
1
T
J
= 175 °C
T
J
= 150 °C
T
J
= 25 °C
0.1
0
0.5
1
1.5
2
2.5
0
100
200
300
400
V
F
- Forward Voltage Drop (V)
Fig. 1 - Typical Forward Voltage Drop Characteristics
V
R
- Reverse Voltage (V)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
1000
C
T
- Junction Capacitance (pF)
100
T
J
= 25 °C
10
0
100
200
300
400
V
R
- Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
Z
thJC
- Thermal Impedance (°C/W)
10
1
P
DM
0.1
Single pulse
(thermal resistance)
0.01
0.00001
D = 0.50
D = 0.20
D = 0.10
D = 0.05
D = 0.02
D = 0.01
t
1
t
2
Notes:
1. Duty factor D = t
1
/t
2
.
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.01
0.1
.
1
0.0001
0.001
t
1
- Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics
Document Number: 93009
Revision: 26-Nov-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
3
16CTU04
Vishay High Power Products
180
Ultrafast Rectifier,
2 x 8 A FRED Pt
TM
90
80
I
f
= 16 A
I
f
=
8
A
Allowable Case Temperature (°C)
170
70
DC
Square
wave
(D = 0.50)
Rated
V
R
applied
t
rr
(ns)
160
60
50
40
150
140
See note (1)
130
0
2
4
6
8
10
12
30
20
100
V
R
= 200
V
T
J
= 125 °C
T
J
= 25 °C
1000
I
F(AV)
- Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
dI
F
/dt (A/µs)
Fig. 7 - Typical Reverse Recovery Time vs. dI
F
/dt
14
500
450
400
V
R
= 200
V
T
J
= 125 °C
T
J
= 25 °C
I
F
= 16 A
I
F
=
8
A
Average Power Loss (W)
12
10
8
6
4
2
0
0
2
4
6
8
10
12
D = 0.01
D = 0.02
D = 0.05
D = 0.1
D = 0.2
D = 0.5
DC
350
Q
rr
(nC)
RMS limit
300
250
200
150
100
50
0
100
1000
I
F(AV)
- Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
dI
F
/dt (A/µs)
Fig. 8 - Typical Stored Charge vs. dI
F
/dt
(1)
Note
Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward power loss = I
F(AV)
x V
FM
at (I
F(AV)
/D) (see fig. 6);
Pd
REV
= Inverse power loss = V
R1
x I
R
(1 - D); I
R
at V
R1
= Rated V
R
www.vishay.com
4
For technical questions, contact: diodes-tech@vishay.com
Document Number: 93009
Revision: 26-Nov-08
16CTU04
Ultrafast Rectifier,
2 x 8 A FRED Pt
TM
V
R
= 200
V
Vishay High Power Products
0.01
Ω
L = 70
µH
D.U.T.
dI
F
/dt
adjust
D
G
IRFP250
S
Fig. 9 - Reverse Recovery Parameter Test Circuit
(3)
I
F
0
t
rr
t
a
t
b
Q
rr
(2)
(4)
I
RRM
0.5 I
RRM
dI
(rec)M
/dt
(5)
0.75 I
RRM
(1)
dI
F
/dt
(1) dI
F
/dt - rate of change of current
through zero crossing
(2) I
RRM
- peak reverse recovery current
(3) t
rr
- 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.
(4) Q
rr
- area
under
curve defined
by
t
rr
and I
RRM
Q
rr
=
t
rr
x I
RRM
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
Document Number: 93009
Revision: 26-Nov-08
For technical questions, contact: diodes-tech@vishay.com
www.vishay.com
5
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