70CRU02PBF Datasheet, PDF (4/7 Pages) Vishay Siliconix – Ultrafast Rectifier, 2 x 35 A FRED PtTM

70CRU02PbF
Vishay High Power Products
Ultrafast Rectifier,
2 x 35 A FRED Pt^TM
180
170
160
150
DC
140
130
120 _{Square wave (D = 0.50)}
110 ^{Rated Vr applied}
100
90 _{see note (1)}
80
0 10 20 30 40 50 60
Average Forward Current - I _F(AV) (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
80
If = 35A
70 Vrr = 100V
60
50
Tj = 125˚C
40
30
Tj = 25˚C
20
10
0
100
1000
di _F /dt (A/μs )
Fig. 7 - Typical Reverse Recovery Time vs. dI_F/dt
50
40
30
RMS Limit
20
10
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
DC
0
0 10 20 30 40 50 60
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
600
If = 35A
Vrr = 100V
500
400
Tj = 125˚C
300
200
Tj = 25˚C
100
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: 94509
Revision: 21-Jul-08