20CTQ150 Datasheet, PDF (4/6 Pages) International Rectifier – SCHOTTKY RECTIFIER

20CTQ150
Vishay High Power Products ^{Schottky Rectifier, 2 x 10 A}
180
170
DC
160
150 _{Square wave (D = 0.50)}
80 % rated V_R applied
140 _{See note (1)}
130
0 2 4 6 8 10 12 14 16
I_F(AV) - Average Forward Current (A)
Fig. 5 - Maximum Average Forward Current vs.
Allowable Lead Temperature
10
D = 0.20
9
D = 0.25
8
D = 0.33
7
D = 0.50
D = 0.75
6
5
4
RMS limit
3
2
DC
1
0
0
3
6
9
12
15
I_F(AV) - Average Forward Current (A)
Fig. 6 - Maximum Average Forward Dissipation vs.
Average Forward Current
1000
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 Peak Surge Forward Current vs. Pulse Duration
D.U.T.
Current
monitor
L
IRFP460
R_g = 25 Ω
High-speed
switch
Freewheel
diode
+ ^{Vd = 25 V}
40HFL40S02
Fig. 8 - Unclamped Inductive Test Circuit
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
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4
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Document Number: 93276
Revision: 22-Aug-08