VS-50WQ03FNHM3 Datasheet, PDF (4/6 Pages) Vishay Siliconix – Small foot print, surface mountable

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150
145
DC
140
135
Square wave (D = 0.50)
130
80 % rated V_R applied
125
See note (1)
120
012345678
I_F(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
1000
VS-50WQ03FNHM3
Vishay Semiconductors
3.5
D = 0.20
3.0
D = 0.25
D = 0.33
D = 0.50
2.5
D = 0.75
2.0
1.5
RMS limit
1.0
DC
0.5
0
012345678
I_F(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics
At any rated load condition
and with rated V_RRM applied
following surge
100
10
100
1000
10 000
t_p - Square Wave Pulse Duration (µs)
Fig. 7 - Maximum Non-Repetitive Surge Current
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 = 80 % rated V_R
Revision: 02-Mar-15
4
Document Number: 95860
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