International Rectifier 8 ETU 04 -SPbF Service Manual
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Bulletin PD-21076 08/05
e
e
8ETU04SPbF
8ETU04-1PbF
Ultrafast Rectifier
t
= 60ns
Features
• Ultrafast Recovery Time
• Low Forward Voltage Drop
• Low Leakage Current
• 175°C Operating Junction Temperature
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.
rr
I
= 8Amp
F(AV)
VR = 400V
Absolute Maximum Ratings
Parameters Max Units
V
RRM
I
F(AV)
I
FSM
I
FRM
TJ, T
Peak Repetitive Peak Reverse Voltage 400 V
Average Rectified Forward Current, TC = 155°C 8 A
Non Repetitive Peak Surge Current, TC = 25°C 100
Peak Repetitive Forward Current 16
Operating Junction and Storage Temperatures - 65 to 175 °C
STG
8ETU04SPbF
Base
Cathode
2
1
D
2
PAK
Anod
N/C
Case Styles
8ETU04-1PbF
2
3
N/C
1
Anod
3
TO-262
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1
8ETU04SPbF, 8ETU04-1PbF
Bulletin PD-21076 08/05
Electrical Characteristics @ T
= 25°C (unless otherwise specified)
J
Parameters Min Typ Max Units Test Conditions
VBR, VrBreakdown Voltage, 400 - - V IR = 100µA
Blocking Voltage
V
F
I
R
C
T
L
S
Forward Voltage - 1.19 1.3 V IF = 8A
- 0.94 1.0 V IF = 8A, TJ = 150°C
Reverse Leakage Current - 0.2 10 µA VR = VR Rated
- 20 500 µA TJ = 150°C, VR = VR Rated
Junction Capacitance - 14 - pF VR = 400V
Series Inductance - 8.0 - nH
Measured lead to lead 5mm from package body
Dynamic Recovery Characteristics @ TJ = 25°C (unless otherwise specified)
Parameters Min Typ Max Units Test Conditions
t
rr
I
RRM
Q
Reverse Recovery Time - 35 60 ns IF = 1.0A, diF/dt = 50A/µA, VR = 30V
-43- TJ = 25°C
67 TJ = 125°C
Peak Recovery Current - 2.8 - A TJ = 25°C
- 6.3 - TJ = 125°C
Reverse Recovery Charge - 60 - nC TJ = 25°C
rr
- 210 - TJ = 125°C
IF = 8A
VR = 200V
diF /dt = 200A/µs
Thermal - Mechanical Characteristics
Parameters Min Typ Max Units
T
J
T
Stg
R
R
R
Typical Socket Mount
Mounting Surface, Flat, Smooth and Greased
2
Max. Junction Temperature Range - 65 - 175 °C
Max. Storage Temperature Range - 65 - 175
Thermal Resistance, Junction to Case - 1.8 2.0 °C/W
thJC
Thermal Resistance, Junction to Ambient - - 50
thJA
Thermal Resistance, Case to Heatsink - 0.5 -
thCS
Weight - 2.0 - g
Mounting Torque 6.0 - 12 Kg-cm
Marking Device 8ETU04S Case style D2Pak
- 0.07 - (oz)
5.0 - 10 lbf.in
8ETU04-1 Case style TO-262
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100
0.0001
0.001
0.01
0.1
1
10
100
1000
0 100 200 300 400
Tj = 25˚C
Tj = 150˚C
Tj = 100˚C
Tj = 125˚C
Tj = 175˚C
0
(A)
10
F
1
Instantaneous Forward Current - I
T = 175˚C
J
T = 150˚C
J
T = 25˚C
J
8ETU04SPbF, 8ETU04-1PbF
Bulletin PD-21076 08/05
(µA)
R
Reverse Current - I
Reverse Voltage - VR (V)
Fig. 2 - Typical Values Of Reverse Current
1000
(pF)
T
Vs. Reverse Voltage
T = 25˚C
J
0.1
0 0.5 1 1.5 2 2.5
Forward Voltage Drop - VFM (V)
Fig. 1 - Typical Forward Voltage Drop Characteristics
10
(°C/W)
1
D = 0.50
D = 0.20
thJC
D = 0.10
D = 0.05
D = 0.02
D = 0.01
0.1
Single Pulse
(Thermal Resistance)
Thermal Impedance Z
0.01
0.00001 0.0001 0.001 0.01 0.1 1
t1, Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance Z
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100
Junction Capacitance - C
10
0 100 200 300 40
Reverse Voltage - VR (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
P
DM
t
1
Notes:
1. Duty factor D = t1/ t2
2. Peak Tj = Pdm x ZthJC+ Tc
Characteristics
thJC
t
2
3
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