MUR820 Datasheet, PDF (4/8 Pages) Motorola, Inc – ULTRAFAST RECTIFIERS 8 AMPERES 200-400-600 VOLTS

MUR820, MURB820, MURB820-1
Bulletin PD-20731 rev. C 12/03
180
170
160
DC
150 _{Square wave (D = 0.50)}
Rated Vr applied
140
see note (2)
130
0
3
6
9
12
Average Forward Current - IF_(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
50
IF = 16A
IF = 8 A
40
IF = 4 A
30
20
10
100
V_R = 160V
T_J = 125˚C
T_J = 25˚C
di _F /dt (A/µs )
1000
Fig. 7 - Typical Reverse Recovery vs. di _F /dt
10
8
6
4 _{RMS Limit}
DC
2
D = 0.01
D = 0.02
D = 0.05
D = 0.10
D = 0.20
D = 0.50
0
0
3
6
9
12
Average Forward Current - IF_(AV)(A)
Fig. 6 - Forward Power Loss Characteristics
200
V_R = 160V
TJ = 125˚C
TJ = 25˚C
160 _{IF = 16A}
IF = 8 A
IF = 4 A
120
80
40
0
100
di _F /dt (A/µs )
1000
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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