10CTQ150SPbF, 10CTQ150-1PbF
Bulletin PD-21016 05/05
180
Allowable Case T
emperature - (°C)
Average Power Loss - (Watts)
5
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
DC
RMSLimit
2
170
DC
160
150
140
130
see note (2)
4
3
S
quare wave (D = 0.50)
80% Rated V
R
applied
1
120
0
2
4
6
8
0
0
1
2
3
4
5
6
7
8
Average Forward Current - I
F(AV)
(A)
Average F
orward Current - I
F(AV)
(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
1000
At Any Rated Load Condition
And With Rated V
RRM
Applied
Following Surge
FSM
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
Non-Repetitive Surge Current - I
(A)
100
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
HIGH-S
PEED
S CH
WIT
FREE-WHEEL
DIODE
40HF
L40S
02
+
DUT
IR P460
F
R = 25 ohm
g
Vd = 25 Volt
CURRENT
MONIT
OR
Fig. 8 - Unclamped Inductive Test Circuit
(2)
Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward Power Loss = I
F(AV)
x V
FM
@ (I
F(AV)
/
D) (see Fig. 6);
Pd
REV
= Inverse Power Loss = V
R1
x I
R
(1 - D); I
R
@ V
R1
= 10 V
4
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