Instruction Manual

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Document Number: 94033
4 Revision: 21-May-08
8ETX06SPbF/8ETX06-1PbF
Vishay High Power Products
Hyperfast Rectifier,
8 A FRED Pt
TM
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Typical Reverse Recovery Time vs. dI
F
/dt
Fig. 8 - Typical Stored Charge vs. dI
F
/dt
Note
(1)
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
120
170
160
140
130
150
180
Allowable Case Temperature (°C)
I
F(AV)
- Average Forward Current (A)
DC
See note (1)
268401012
Square wave (D = 0.50)
Rated V
R
applied
0
16
14
12
8
6
4
2
10
20
18
Average Power Loss (W)
I
F(AV)
- Average Forward Current (A)
26 1214
DC
D = 0.01
D = 0.02
D = 0.05
D = 0.1
D = 0.2
D = 0.5
84010
RMS limit
10
40
20
30
50
V
R
= 390 V
T
J
= 125 °C
T
J
= 25 °C
I
F
= 16 A
I
F
= 8 A
I
F
= 16 A
I
F
= 8 A
t
rr
(ns)
dI
F
/dt (A/µs)
1000100
0
200
250
100
50
150
300
Q
rr
(nC)
I
F
= 16 A
I
F
= 8 A
I
F
= 16 A
I
F
= 8 A
dI
F
/dt (A/µs)
1000
100
V
R
= 390 V
T
J
= 125 °C
T
J
= 25 °C