Datasheet

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, [e-mail], [e-mail] Revision: 14-Jan-11
VS-30WQ04FNPbF
Vishay Semiconductors
Schottky Rectifier, 3.5 A
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Maximum Non-Repetitive Surge Current
Note
(1)
Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
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
110
115
120
125
135
140
145
150
130
155
Allowable Case Temperature (°C)
I
F (AV)
- Average Forward Current (A)
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.00 0.5 1.0
DC
See note (1)
Square wave (D = 0.50)
80 % rated V
R
applied
0
0.5
1.0
1.5
2.0
2.5
3.0
Average Power Loss (W)
I
F (AV)
- Average Forward Current (A)
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.00 0.5 1.0
DC
RMS limit
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
10
100
1000
I
FSM
- Non- Repetitive Surge Current (A)
t
p
- Square Wave Pulse Duration (µs)
100 1000 10 00010
At any rated load condition
and with rated V
RRM
applied
following surge