20CTQ150-1TRL InternationalRectifier, 20CTQ150-1TRL Datasheet - Page 4

• Manufacturer Part Number: 20CTQ150-1TRL
• Description: SCHOTTKYRECTIFIER
• Manufacturer: InternationalRectifier

Bulletin PD-20648 rev. C 09/04
4
20CTQ150, 20CTQ150S, 20CTQ150-1
(2) Formula used: T
Pd = Forward Power Loss = I
Pd
180
170
160
150
140
130
Fig. 5 - Maximum Average Forward Current
REV
0
= Inverse Power Loss = V
Square wave (D = 0.50)
80% Rated Vr applied
see note (2)
Average Forward Current - I
Vs. Allowable Lead Temperature
CURR ENT
MONIT OR
2
C
4
DUT
= T
J
- (Pd + Pd
6
Fig. 7 - Maximum Peak Surge Forward Current Vs. Pulse Duration
8
F(AV)
1000
REV
R1
10 12 14 16
x V
100
DC
x I
) x R
FM
R
Square Wave Pulse Duration - t
10
(1 - D); I
Fig. 8 - Unclamped Inductive Test Circuit
@ (I
thJC
R g = 25 ohm
F(AV)
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
F(AV)
;
(A)
R
IR FP460
@ V
/
D) (see Fig. 6);
L
R1
100
= 80% rated V
1000
R
FREE-WHEEL
40HF L40S 02
p
DIODE
(microsec)
HIGH-S PEED
S WIT CH
Fig. 6 - Maximum Average Forward Dissipation
10
10000
9
8
7
6
5
4
3
2
1
0
0
Average Forward Current - I
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
RMS Limit
Vs. Average Forward Current
3
+
6
Vd = 25 Volt
9
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DC
F(AV)
12
(A)
15