VS-UFB130FA40 Datasheet, PDF (3/6 Pages) Vishay Siliconix – Fully insulated package

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1000
100
T_J = 25 °C
VS-UFB130FA40
Vishay Semiconductors
10
1
10
100
1000
V_R - Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
1
0.1
0.01
0.0001
DC
Single pulse
(thermal resistance)
P
DM
t
1
t
2
Notes:
1. Duty factor D = t₁/t₂
2. Peak T_J = P_DM x Z_thJC + T_C
0.001
0.01
0.1
1
10
t₁ - Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z_thJC Characteristics (Per Leg)
175
150
125
DC
100
75
50
Square wave (D = 0.50)
Rated V_R applied
25
0
0 20 40 60 80 100 120 140 160
I_F(AV) - Average Forward Current (A)
Fig. 5 - Maximum Allowable Case Temperature vs.
Average Forward Current (Per Leg)
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
150
125
100
RMS limit
75
50
25
0
0
D = 0.05
D = 0.10
D = 0.20
D = 0.33
DC
D = 0.50
10 20 30 40 50 60 70 80 90 100 110 120
I_F(AV) - Average Forward Current (A)
Fig. 6 - Forward Power Loss Characteristics (Per Leg)
Revision: 31-May-16
3
Document Number: 93602
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