Diodes FMMT491A Manual do Utilizador descarregar pdf (Página 3)

FMMT491A

Document number: DS33092 Rev. 4 - 2

3 of 7

www.diodes.com

October 2012

© Diodes Incorporated

FMMT491A

A

Product Line o

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Diodes Incorporated

Thermal Characteristics and Derating Information

1 10 100

1m

10m

100m

1

15 x 15mm FR4

1oz Copper

V

CE(sat)

Limit

100µs

1ms

10ms

100ms

1s

DC

Safe Operating Area

-I

C

Collector Current (A)

-V

CE

Collector-Emitter Voltage (V)

0 20 40 60 80 100 120 140 160

0.0

0.1

0.2

0.3

0.4

0.5

0.6

15 x 15mm FR4 1oz Copper

Derating Curve

Temperature (°C)

Max Power Dissipation (W)

100µ 1m 10m 100m 1 10 100 1k

0

40

80

120

160

200

240

15 x 15mm FR4 1oz Copper

Transient Thermal Impedance

D=0.5

D=0.2

D=0.1

Single Pulse

D=0.05

Thermal Resistance (°C/W)

Pulse Width (s)

100µ 1m 10m 100m 1 10 100 1k

0.1

1

10

100

15 x 15mm FR4 1oz Copper

Pulse Power Dissipation

Pulse Width (s)

Max Power Dissipation (W)

1 2 3 4 5 6 7

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