70CRU02PBF_11 Datasheet, PDF (4/8 Pages) Vishay Siliconix – Ultrafast Rectifier, 2 x 35 A FRED Pt

VS-70CRU02PbF
Vishay Semiconductors Ultrafast Rectifier, 2 x 35 A FRED Pt^®
180
170
160
150
DC
140
130
120
110 Square wave (D = 0.50)
100 ^{Rated VR applied}
90 See note (1)
80
0
10
20
30
40
50
60
I_F(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
50
40
RMS limit
30
D = 0.20
D = 0.25
20
D = 0.33
D = 0.50
D = 0.75
10
DC
0
0
10
20
30
40
50
60
I_F(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
Note
(1) _{Formula used: TC = TJ - (Pd + PdREV) x RthJC;}
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
80
I_F = 35 A
70 ^VRR ^{= 100 V}
60
50
T_J = 125 °C
40
30
T_J = 25 °C
20
10
0
100
1000
dI_F/dt (A/µs)
Fig. 7 - Typical Reverse Recovery Time vs. dI_F/dt
600
I_F = 35 A
500 ^{VRR = 100 V}
400
T_J = 125 °C
300
200
100
T_J = 25 °C
0
100
1000
dI_F/dt (A/µs)
Fig. 8 - Typical Stored Charge vs. dI_F/dt
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Revision: 09-Feb-11