Bulletin PD-21068 07/05
16CTU04SPbF
16CTU04-1PbF
Ultrafast Rectifier
Features
•
•
•
•
•
Ultrafast Recovery Time
Low Forward Voltage Drop
Low Leakage Current
175°C Operating Junction Temperature
Lead-Free ("PbF" suffix)
t
rr
= 60ns
I
F(AV)
= 16Amp
V
R
= 400V
Description/ Applications
International Rectifier's FRED.. series are the state of the art Ultra fast recovery rectifiers specifically designed with
optimized performance of forward voltage drop and ultra fast 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-DC converters as well as
free-wheeling 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
Parameters
V
RRM
I
F(AV)
I
FSM
I
FRM
T
J
, T
STG
Peak Repetitive Peak Reverse Voltage
Average Rectified Forward Current
Total Device, (Rated V
R
), T
C
= 155°C
Non Repetitive Peak Surge Current, T
C
= 25°C
Peak Repetitive Forward Current
(Rated V
R
, Square wave, 20KHz), T
C
= 155°C
Operating Junction and Storage Temperatures
- 65 to 175
°C
Per Leg
Total Device
Max
400
8
16
100
16
Units
V
A
Case Styles
16CTU04SPbF
16CTU04-1PbF
Base
Common
Cathode
2
Base
Common
Cathode
2
1
Anode
2
Common
Cathode
3
1
Anode
Anode
2
Common
Cathode
3
Anode
D
2
PAK
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TO-262
1
16CTU04SPbF, 16CTU04-1PbF
Bulletin PD-21068 07/05
Electrical Characteristics @ T
J
= 25°C, Per Leg (unless otherwise specified)
Parameters
V
BR
, V
r
V
F
Breakdown Voltage,
Blocking Voltage
Forward Voltage
Min Typ Max Units Test Conditions
400
-
-
-
1.19
0.94
0.2
20
14
8.0
-
1.3
1.0
10
500
-
-
V
V
V
µA
µA
pF
nH
I
R
= 100µA
I
F
= 8A
I
F
= 8A, T
J
= 150°C
V
R
= V
R
Rated
T
J
= 150°C, V
R
= V
R
Rated
V
R
= 400V
Measured lead to lead 5mm from package body
I
R
Reverse Leakage Current
-
-
C
T
L
S
Junction Capacitance
Series Inductance
-
-
Dynamic Recovery Characteristics @ T
J
= 25°C, Per Leg (unless otherwise specified)
Parameters
t
rr
Reverse Recovery Time
Min Typ Max Units Test Conditions
-
-
35
43
67
60
-
ns
I
F
= 1.0A, di
F
/dt = 50A/µA, V
R
= 30V
T
J
= 25°C
T
J
= 125°C
-
-
-
-
nC
A
T
J
= 25°C
T
J
= 125°C
T
J
= 25°C
T
J
= 125°C
I
F
= 8A
V
R
= 200V
di
F
/dt = 200A/µs
I
RRM
Peak Recovery Current
-
-
2.8
6.3
60
210
Q
rr
Reverse Recovery Charge
-
-
Thermal - Mechanical Characteristics
Parameters
T
J
T
Stg
R
thJC
R
thJA
R
thCS
Max. Junction Temperature Range
Max. Storage Temperature Range
Thermal Resistance, Junction to Case
Thermal Resistance, Junction to Ambient
Thermal Resistance, Case to Heatsink
Weight
Mounting Torque
Marking Device
Per Leg
Per Leg
Min
- 65
- 65
-
-
-
-
-
6.0
5.0
Typ
-
-
1.8
-
0.5
2.0
0.07
-
-
Max
175
175
2.0
50
-
-
-
12
10
Units
°C
°C/W
g
(oz)
Kg-cm
lbf.in
16CTU04S
16CTU04-1
Case style D
2
Pak
Case style TO-262
Typical Socket Mount
Mounting Surface, Flat, Smooth and Greased
2
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16CTU04SPbF, 16CTU04 -1PbF
Bulletin PD-21068 07/05
100
1000
100
Reverse Current - I
R
(µA)
Tj = 175˚C
Tj = 150˚C
Tj = 125˚C
10
1
Tj = 100˚C
0.1
0.01
0.001
0
100
Tj = 25˚C
Instantaneous Forward Current - I
F
(A)
10
0.0001
T
J
= 175˚C
T = 150˚C
J
J
200
300
400
Reverse Voltage - V
R
(V)
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage
T = 25˚C
1000
Junction Capacitance - C
T
(pF)
T = 25˚C
J
1
100
0.1
0
0.5
1
1.5
2
2.5
Forward Voltage Drop - V
FM
(V)
Fig. 1 - Typical Forward Voltage Drop Characteristics
10
0
100
200
300
400
Reverse Voltage - V
R
(V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
10
(°C/W)
thJC
Thermal Impedance Z
1
0.1
D = 0.50
D = 0.20
D = 0.10
D = 0.05
D = 0.02
D = 0.01
Single Pulse
(Thermal Resistance)
Notes:
P
DM
t1
t2
1. Duty factor D = t1/ t2
2. Peak Tj = Pdm x ZthJC+ Tc
0.01
0.00001
0.0001
0.001
0.01
0.1
1
t
1
, Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance Z
thJC
Characteristics
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16CTU04SPbF, 16CTU04-1PbF
Bulletin PD-21068 07/05
180
Allowable Case Temperature (°C)
Average Power Loss ( Watts )
14
12
10
8
6
4
2
0
0
2
4
6
8
D = 0.01
D = 0.02
D = 0.05
D = 0.1
D = 0.2
D = 0.5
DC
RMS Limit
170
DC
160
150
140
130
0
2
4
6
8
10
12
Average Forward Current - I
F
(AV)
(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
Square wave (D = 0.50)
Rated Vr applied
see note (3)
10
12
Average Forward Current - I
F
(AV)
(A)
Fig. 6 - Forward Power Loss Characteristics
90
80
70
trr ( ns )
500
450
If = 16A
If = 8A
Vr = 200V
Tj = 125˚C
Tj = 25˚C
400
350
Qrr ( nC )
If = 16A
If = 8A
60
50
40
30
20
100
di
F
/dt (A/µs )
Fig. 7 - Typical Reverse Recovery vs. di
F
/dt
Vr = 200V
Tj = 125˚C
Tj = 25˚C
300
250
200
150
100
50
1000
0
100
di
F
/dt (A/µs )
1000
Fig. 8 - Typical Stored Charge vs. di
F
/dt
(3) Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward Power Loss = I
F(AV)
x V
FM
@ (I
F(AV)
/
D) (see Fig. 6);
Pd
REV
= Inverse Power Loss = V
R1
x I
R
(1 - D); I
R
@ V
R1
= rated V
R
4
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16CTU04SPbF, 16CTU04 -1PbF
Bulletin PD-21068 07/05
Reverse Recovery Circuit
V
R
= 200V
0.01
Ω
L = 70µH
D.U.T.
di
F
/dt
dif/dt
ADJUST
D
G
IRFP250
S
Fig. 9- Reverse Recovery Parameter Test Circuit
3
I
F
0
t
rr
t
a
t
b
4
2
Q
rr
I
RRM
0.5 I
RRM
di(rec)M/dt
0.75 I
RRM
5
1
/dt
di
f
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
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
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