C&H Technology UFB60FA20P - Manual (Page 5)

www.vishay.com For technical questions, contact: [email protected] Document Number: 94520
4 Revision: 07-May-08
UFB60FA20P
Vishay High Power Products Insulated Ultrafast
Rectifier Module, 60 A
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
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
Average Forward Current - I
F(AV)
(A)
Allowable Case Temperature (°C)
80
90
100
110
120
130
140
150
0 5 10 15 20 25 30 35
DC
see note (1)
Square wave (D = 0.50)
Rated Vr applied
Average Power Loss ( W )
Average Forward Current - I
F(AV)
(A)
0
5
10
15
20
25
30
0 5 10 15 20 25 30 35
RMS Limit
D = 0.01
D = 0.05
D = 0.10
D = 0.20
D = 0.50
DC
trr ( ns )
dI
F
/dt (A/µs )
10
20
30
40
50
60
70
0 0 0 1 0 0 1
Tj = 125˚C
Tj = 25˚C
If = 30A
Vrr = 100V
Qrr ( nC )
dI
F
/dt (A/µs )
0
50
100
150
200
250
300
350
400
450
500
550
0 0 0 1 0 0 1
Tj = 125˚C
Tj = 25˚C
If = 30A
Vrr = 100V