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Thermal characteristics and derating information, Derating curve, Transient thermal impedance – Diodes 2DB1132P/Q/R User Manual

Page 3: Pulse power dissipation

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2DB1132P/Q/R

Document number: DS31142 Rev: 6 - 2

3 of 6

www.diodes.com

December 2013

© Diodes Incorporated

2DB1132P/Q/R




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

ow

er

D

is

sipat

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

Ther

m

al

R

es

is

tanc

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

a

x P

ow

er

D

is

si

pat

ion (

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)

M

a

xi

m

u

m

P

o

wer (W)

2oz copper

1oz copper

T

amb

=25°C

Copper Area (sqmm)

T

herm

a

l Re

si

st

anc

e (°

C/

W)