31DQ03 Datasheet, PDF (3/5 Pages) International Rectifier – SCHOTTKY RECTIFIER

31DQ03, 31DQ04
Schottky Rectifier, 3.3 A _{Vishay High Power Products}
100
1000
TJ = 25˚C
100
10
T_J = 150˚C
T_J = 125˚C
1
T_J = 25˚C
10
0
40 80 120 160 200
Reverse Voltage - V_R (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
150
DC
130
110
0.1
0
0.3
0.6
0.9
1.2
Forward Voltage Drop - V (V)
FM
Fig. 1 - Maximum Forward Voltage Drop Characteristics
100
10
TJ = 150˚C
1
125˚C
0.1
90
Square wave (D = 0.50)
80% Rated Vr applied
see note (1)
70
0
1
2
3
4
5
Average Forward Current - IF_(AV) (A)
Fig. 4 - Maximum Allowable Lead Temperature vs.
Average Forward Current
2.5
D = 0.20
D = 0.25
2 D = 0.33
D = 0.50
D = 0.75
1.5
RMS Limit
DC
1
0.01
25˚C
0.001
0
10
20
30
40
Reverse Voltage - V_R (V)
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
0.5
0
0
1
2
3
4
5
Average Forward Current - IF_(AV) (A)
Fig. 5 - Forward Power Loss Characteristics
Note
(1) _{Formula used: TC = TJ - (Pd + PdREV) x RthJC;}
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
Document Number: 93319
Revision: 06-Nov-08
For technical questions, contact: [e-mail]
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