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BULD25D Datasheet(PDF) 5 Page - Power Innovations Ltd

Part No. BULD25D
Description  NPN SILICON TRANSISTOR WITH INTEGRATED DIODE
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Maker  POINN [Power Innovations Ltd]
Homepage  http://www.bourns.com
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BULD25D Datasheet(HTML) 5 Page - Power Innovations Ltd

 
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JULY 1994 - REVISED SEPTEMBER 1997
BULD25D, BULD25DR, BULD25SL
NPN SILICON TRANSISTOR WITH INTEGRATED DIODE
PRODUCT
INFORMATION
THERMAL INFORMATION
Figure 8.
Figure 9.
THERMAL RESPONSE JUNCTION TO AMBIENT
vs
POWER PULSE DURATION
t1 - Power Pulse Duration - s
10-4
10-3
10-2
10-1
100
101
102
103
0·001
0·01
0·1
1·0
LDX25DZA
40%
60%
20%
10%
0%
BULD25D
T
A = 25°C
T
J max
(
)
T
A
P
D peak
(
)
ZθJA
RθJA
RθJA max
(
)
=
t1
t2
duty cycle = t1/t2
Read time at end of t1,
THERMAL RESPONSE JUNCTION TO AMBIENT
vs
POWER PULSE DURATION
t1 - Power Pulse Duration - s
10-4
10-3
10-2
10-1
100
101
102
103
0·001
0·01
0·1
1·0
LDX25SZA
40%
60%
20%
10%
0%
BULD25SL
T
A = 25°C
T
J max
(
)
T
A
P
D peak
(
)
ZθJA
RθJA
RθJA max
(
)
=
t1
t2
duty cycle = t1/t2
Read time at end of t1,


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