VS-VSK250PBF Datasheet, PDF (8/14 Pages) Vishay Siliconix – Standard Recovery Diodes

VS-VSK.250PbF, VS-VSK.270PbF, VS-VSK.320PbF Series
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Vishay Semiconductors
8000
7000
6000
At Any Ra ted Load Cond ition And With
Ra ted V_RRM Ap plied Following Surge.
Initial T_J= 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
5000
4000
3000
VSK.270.. Series
Per Junc tion
2000
1
10
100
Numb er Of Equal Amplitude Half Cyc le Current Pulses (N)
Fig. 19 - Maximum Non-Repetitive Surge Current
1
Steady State Value:
R _thJC= 0.45 K/ W
(DC Operation)
0.1
0.01
VSK.270.. Series
Per Junction
0.001
0.001 0.01 0.1
1
10
100
Square Wave Pulse Duration (s)
Fig. 22 - Thermal Impedance Z_thJC Characteristics
9000
8000
7000
Ma ximum Non Rep etitive Surge Current
Versus Pulse Train Dura tion.
Initia l T_J = 150°C
No Voltage Reap plied
Rated V_RRM Rea p plied
6000
5000
4000
3000 _{VSK.270.. Series}
Per Junction
2000
0.01
0.1
1
Pulse Train Dura tion (s)
Fig. 20 - Maximum Non-Repetitive Surge Current
150
VSK.320.. Series
140
R_thJC (DC) = 0.125 K/ W
130
120
Conduction Angle
110
100
90
80
0
30°
60°
90°
120°
180°
50 100 150 200 250 300 350
Average Forward Current (A)
Fig. 23 - Current Ratings Characteristics
10000
1000
T_J= 25°C
T_J= 150°C
100
VSK.270.. Series
Per Junc tion
10
0.5 1 1.5 2 2.5 3 3.5 4
Instantaneous Forward Voltage (V)
Fig. 21 - Forward Voltage Drop Characteristics
150
VSK.320.. Series
140
R_thJC (DC) = 0.125 K/ W
130
120
Conduc tion Period
110
100
90
80
0
30°
60°
90°
120°
180°
DC
100 200 300 400 500 600
Average Forward Current (A)
Fig. 24 - Current Ratings Characteristics
Revision: 28-May-14
8
Document Number: 93581
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