Datasheet

MURD620CT
Bulletin PD-20737 rev. B 10/02
4
www.irf.com
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
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 Power Loss ( Watts )
trr ( nC )
Qrr ( nC )
Average Forward Current - IF
(AV)
(A)
Allowable Case Temperature (°C)
Average Forward Current - IF
(AV)
(A)
Fig. 8 - Typical Stored Charge vs. di
F
/dt
Fig. 7 - Typical Reverse Recovery vs. di
F
/dt
di
F
/dt (A/µs )
di
F
/dt (A/µs )
120
130
140
150
160
170
180
012345
DC
see note (3)
Square wave (D = 0.50)
Rated Vr applied
0
0
.5
1
1
.5
2
2
.5
3
3
.5
4
4
.5
012345
DC
RMS Limit
D = 0.01
D = 0.02
D = 0.05
D = 0.10
D = 0.20
D = 0.50
1
0
2
0
3
0
4
0
5
0
100 1000
IF = 3 A
IF = 6 A
R
J
J
V = 30V
T = 125˚C
T = 25˚C
0
20
40
60
80
00
20
40
100 1000
R
J
J
V = 30V
T = 125˚C
T = 25˚C
IF = 6 A
IF = 3 A