70CRU04PBF Datasheet, PDF (4/6 Pages) Vishay Siliconix – Ultrafast Rectifier, 2 x 35 A FRED PtTM

70CRU04PbF
Vishay High Power Products
Ultrafast Rectifier,
2 x 35 A FRED Pt^TM
180
170
160
150
DC
140
130
Square wave (D = 0.50)
120 Rated Vr applied
110 _{see note (1)}
100
0 5 10 15 20 25 30 35 40
Average Forward Current - I _F(AV) (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
40
35
RMS Limit
30
25
20
D = 0.01
D = 0.02
15
D = 0.05
D = 0.10
10
D = 0.20
5
D = 0.50
DC
0
0 5 10 15 20 25 30 35
Average Forward Current - I _F(AV) (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
150
If = 35A
140
Vrr = 200V
130
120
Tj = 125˚C
110
100
90
80 Tj = 25˚C
70
60
50
100
1000
di _F /dt (A/μs )
Fig. 7 - Typical Reverse Recovery Time vs. dI_F/dt
2500
2000
If = 35A
Vrr = 200V
1500
Tj = 125˚C
1000
500
Tj = 25˚C
0
100
1000
di _F /dt (A/μs )
Fig. 8 - Typical Stored Charge vs. dI_F/dt
www.vishay.com
4
For technical questions, contact: [e-mail]
Document Number: 94510
Revision: 21-Jul-08