User Manual

70CRU02
Bulletin PD-20619 rev. C 12/06
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
Fig. 8 - Typical Stored Charge vs. di
F
/dt
Fig. 6 - Forward Power Loss Characteristics
(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
Average Forward Current - I
F(AV)
(A)
Fig. 7 - Typical Reverse Recovery vs. di
F
/dt
Allowable Case Temperature (°C)
Average Power Loss ( W )
trr ( ns )
Qrr ( nC )
di
F
/dt (A/μs )
di
F
/dt (A/μs )
80
90
1
00
1
10
1
20
1
30
1
40
1
50
1
60
1
70
1
80
0 102030405060
DC
Square wave (D = 0.50)
Rated Vr applied
see note (3)
0
1
0
2
0
3
0
4
0
5
0
0 102030405060
RMS Limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
DC
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
100 1000
If = 35A
Vrr = 100V
Tj = 125˚C
Tj = 25˚C
0
1
00
2
00
3
00
4
00
5
00
6
00
100 1000
If = 35A
Vrr = 100V
Tj = 125˚C
Tj = 25˚C
Average Forward Current - I
F(AV)
(A)
Document Number: 93022
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