beautypg.com

Thermal characteristics and derating information, Derating curve, Transient thermal impedance – Diodes BCX51/ 52/ 53 User Manual

Page 3: Pulse power dissipation

background image

BCX51/ 52/ 53

Datasheet Number: DS35368 Rev. 6 - 2

3 of 7

www.diodes.com

March 2014

© Diodes Incorporated

BCX51/ 52/ 53




Thermal Characteristics and Derating Information

0

25

50

75

100

125

150

0.0

0.2

0.4

0.6

0.8

1.0

Derating Curve

Temperature (°C)

M

ax P

owe

r Di

ssi

p

at

io

n (W)

100µ

1m

10m 100m

1

10

100

1k

0

20

40

60

80

100

120

Transient Thermal Impedance

D=0.5

D=0.2

D=0.1

Single Pulse

D=0.05

Th

er

m

al Re

si

st

anc

e (

°C

/W)

Pulse Width (s)

100µ

1m

10m 100m

1

10

100

1k

1

10

100

Single Pulse. T

amb

=25°C

Pulse Power Dissipation

Pulse Width (s)

M

ax P

owe

r Di

ssi

p

at

io

n (W)

0

500

1000

1500

2000

2500

0

1

2

3

0

500

1000

1500

2000

2500

40.0

60.0

80.0

100.0

120.0

140.0

2oz copper

1oz copper

T

amb

=25°C

Copper Area (sqmm)

Ma

xi

mu

m P

o

w

er

(

W

)

2oz copper

1oz copper

T

amb

=25°C

Copper Area (sqmm)

T

h

e

rm

a

l R

e

si

st

an

ce

(

°C

/W)