MURB1020CT/MURB1020CT-1
Ultrafast Rectifier,
2 x 5 A FRED PtTM
Vishay High Power Products
50
40
30
20
10
I
I
F
F
= 10 A
= 5 A
180
170
DC
160
150
140
130
Square wave (D = 0.50)
Rated Vr applied
see note (1)
VR = 160V
TJ = 125˚C
0
2
4
6
8
TJ
= 25˚C
Average Forward Current - IF(AV)(A)
100
1000
di F /dt (A/μs)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
Fig. 7 - Typical Reverse Recovery Time vs. dIF/dt
160
VR = 160V
TJ = 125˚C
7
140
TJ
= 25˚C
RMS Limit
6
120
100
80
60
40
20
0
I
I
F
F
= 10 A
= 5 A
5
4
D = 0.01
D = 0.02
D = 0.05
D = 0.1
D = 0.2
D = 0.5
DC
3
2
1
0
0
1
2
3
4
5
6
7
8
Average Forward Current - IF(AV)(A)
100
1000
diF/dt (A/μs)
Fig. 8 - Typical Stored Charge vs. dIF/dt
Fig. 6 - Forward Power Loss Characteristics
Note
(1)
Formula used: TC = TJ - (Pd + PdREV) x RthJC
;
Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6);
PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = Rated VR
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4
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Document Number: 93938
Revision: 28-Jul-08
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