Derating curve, Pulse power dissipation, Transient thermal impedance – Diodes BCP 54/ 55/ 56 User Manual
Page 3: Thermal characteristics and derating information
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BCP 54 / 55 / 56
Datasheet Number: DS35367 Rev. 4 - 2
3 of 7
March 2014
© Diodes Incorporated
BCP 54/ 55/ 56
Thermal Characteristics and Derating Information
100µ
1m
10m 100m
1
10
100
1k
0
20
40
60
80
100
120
140
160
0
20
40
60
80
100 120 140 160
0.0
0.5
1.0
1.5
2.0
50mm x 50mm
1oz Cu
Derating Curve
Temperature (°C)
M
ax P
o
we
r Di
ssi
p
at
io
n (W
)
100µ
1m
10m 100m
1
10
100
1k
0
10
20
30
40
50
60
50mm x 50mm 1oz Cu
T
amb
=
25°C
Pulse Power Dissipation
Pulse Width (s)
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
T
h
er
m
al
Re
si
st
a
n
ce
(°
C
/W)
Pulse Width (s)
50mm x 50mm 1oz Cu
T
amb
=
25°C
Single pulse
M
a
xi
mum Pow
e
r (
W
)
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