20CTQ Datasheet, PDF (4/8 Pages) International Rectifier – SCHOTTKY RECTIFIER

20CTQ... Series
Bulletin PD-20056 rev. A 12/01
180
175
170
20CTQ
RthJC (DC) =3.25°C/W
165
160
DC
155
150
145
0
5
10
15
AverageForwardCurrent -IF(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
1000
9
D = 0.08
8 _D=0.17
7
D = 0.25
D = 0.33
6 ^D=0.50
5
4 _RMSLimit
DC
3
2
1
0
0
5
10
15
AverageForwardCurrent -IF(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
DUT
C URRE NT
M ONITOR
At Any Rated Load Condition
And With Rated V_RRM Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t_p (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
IR F P 46 0
Rg = 25 ohm
HIG H-SPEED
SW ITCH
FRE E -W H E E L
D IO D E
4 0H FL40 S02
+ ^{Vd = 25 Volt}
Fig. 8 - Unclamped Inductive Test Circuit
4
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