30CPH03
Bulletin PD-20035 rev. D 04/03
180
Allowable Case Temperature (°C)
22
Average Power Loss ( Watts )
20
18
16
14
12
10
8
6
4
2
0
0
5
10
15
20
25
DC
RMS Limit
D = 0.01
D = 0.02
D = 0.05
D = 0.10
D = 0.20
D = 0.50
170
160
150
140
130
see note (3)
Square wave (D = 0.50)
Rated Vr applied
DC
120
0
5
10
15
20
25
Average Forward Current - I
F(AV)
(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
Average Forward Current - I
F(AV)
(A)
Fig. 6 - Forward Power Loss Characteristics
100
If = 30A, Tj = 25˚C
If = 30A, Tj = 125˚C
1000
If = 30A, Tj = 125˚C
Qrr ( nC )
trr ( ns )
100
If = 30A, Tj = 25˚C
10
100
di
F
/dt (A/µs )
1000
10
100
di
F
/dt (A/µs )
1000
Fig. 7 - Typical Reverse Recovery vs. di
F
/dt
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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