Thermal characteristics, Safe operating area, Derating curve – Diodes DXT2011P5 User Manual

Page 3: Transient thermal impedance, Pulse power dissipation

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DXT2011P5

Document number: DS32069 Rev. 3 - 2

3 of 7

www.diodes.com

April 2012

© Diodes Incorporated

DXT2011P5

POWERDI is a registered trademark of Diodes Incorporated.

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CE I

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RM

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A Product Line of

Diodes Incorporated






Thermal Characteristics

10

100

1000

10000

20

40

60

80

100

120

140

160

180

10

100

1000

10000

0

1

2

3

4

100m

1

10

100

10m

100m

1

10

Single Pulse. T

amb

=25°C

50mmX50mm FR4 2oz Cu

V

CE(sat)

Limited

100µs

1ms

10ms

100ms

1s

DC

Safe Operating Area

I

C

Col

le

ct

or Curre

nt

(A

)

V

CE

Collector-Emitter Voltage (V)

0

25

50

75

100

125

150

175

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

Minimum pad
1oz Cu

25mmX25mm FR4
1oz Cu

50mmX50mm FR4
2oz Cu

Derating Curve

Temperature (°C)

M

a

x

P

o

w

e

r Di

s

s

ipat

ion (W)

100µ

1m

10m 100m

1

10

100

1k

0

10

20

30

40

Power Rating vs. Cu Area

Thermal Resistance vs. Cu Area

50mmX50mm FR4 2oz Cu

Transient Thermal Impedance

D=0.5

D=0.2

D=0.1

Single Pulse

D=0.05

Th

er

mal R

e

s

is

ta

n

c

e

(

°C

/W

)

Pulse Width (s)

100µ

1m

10m 100m

1

10

100

1k

1

10

100

Single Pulse. T

amb

=25°C

50mmX50mm FR4 2oz Cu

Pulse Power Dissipation

Pulse Width (s)

M

a

x

P

o

wer Di

s

s

ipat

ion (W)

2 oz. weight Copper

T

(amb)

=25°C

Copper Area (sq mm)

T

herm

a

l

Res

ist

anc

e

C/

W)

1 oz. weight Copper

1 oz. weight Copper

2 oz. weight Copper

P

o

wer Rat

ing (W

)

Copper Area (sq mm)

T

(amb)

=25°C



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