VS-8CWH02FNHM3 Datasheet, PDF (4/7 Pages) Vishay Siliconix – Hyperfast Rectifier, 2 x 4 A FRED Pt®

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180
175
170
DC
165
160 ^{Square wave (D=0.50)}
rated Vr applied
155
see note (1)
150
0123456
Average Forward Current - IF_(AV)(A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
5
RMS Limit
4
3
D = 0.01
D = 0.02
D = 0.05
2
D = 0.1
D = 0.2
D = 0.5
1
DC
0
0123456
Average Forward Current - IF_(AV)(A)
Fig. 6 - Forward Power Loss Characteristics
Note
(1) _{Formula used: TC = TJ - (Pd + PdREV) x RthJC;ï€} 
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
VS-8CWH02FNHM3
Vishay Semiconductors
40
35
30
25
4A, Tj = 125°C
20
15
4A, Tj = 25°C
10
5
0
100
di _F /dt (A/μs )
1000
Fig. 7 - Typical Reverse Recovery Time vs. dI_F/dt
70
60
50
4A, Tj = 125°C
40
30
4A, Tj = 25°C
20
10
0
100
di _F /dt (A/μs )
1000
Fig. 8 - Typical Stored Charge vs. dI_F/dt
Revision: 02-Aug-12
4
Document Number: 94741
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