20CTQ035 Datasheet, PDF (4/8 Pages) Microsemi Corporation – 20 AMP SCHOTTKY BARRIER RECTIFIERS

20CTQ... Series
Bulletin PD-20056 rev. C 07/06
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)
At Any Rated Load Condition
And With Rated V_RRM Applied
Following Surge
DUT
CURRENT
MONITOR
100
10
100
1000
10000
Square Wave Pulse Duration - t_p (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
IRFP460
Rg = 25 ohm
HIGH-SPEED
SWITCH
FREE-WHEEL
DIODE
40HFL40S02
+ ^{Vd = 25 Volt}
Fig. 8 - Unclamped Inductive Test Circuit
4
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