MURB2020CTPBF Datasheet, PDF (4/9 Pages) International Rectifier – Ultrafast Rectifier

MURB2020CTPbF, MURB2020CT-1PbF
Bulletin PD-21084 08/05
180
170
DC
160
150
Square wave (D = 0.50)
Rated Vr applied
140
see note (2)
130
0
3
6
9
12 15
Average Forward Current - IF_(AV)(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
50
IF = 20 A
IF = 10 A
40
IF = 5 A
30
20
10
V_R = 160V
T_J = 125˚C
T_J = 25˚C
0
100
1000
di _F /dt (A/µs )
Fig. 7 - Typical Reverse Recovery vs. di _F /dt
15
RMS Limit
12
9
D = 0.01
6
D = 0.02
D = 0.05
D = 0.1
3
D = 0.2
D = 0.5
DC
0
0
3
6
9
12 15
Average Forward Current - IF_(AV)(A)
Fig. 6 - Forward Power Loss Characteristics
250
200
150
IF = 20 A
IF = 10 A
IF = 5 A
V_R = 160V
TJ = 125˚C
TJ = 25˚C
100
50
0
100
1000
di _F /dt (A/µs )
Fig. 8 - Typical Stored Charge vs. di _F /dt
(2) 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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