DST3946DPJ datasheet(3/9 Pages) DIODES

Il numero della parte	DST3946DPJ

Spiegazioni elettronici	COMPLEMENTARY NPN/PNP SURFACE MOUNT TRANSISTOR

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Produttore elettronici	DIODES [Diodes Incorporated]

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DST3946DPJ

Document number: DS32040 Rev. 1 - 2

3 of 9

www.diodes.com

January 2010

DST3946DPJ

0.000001

0.00001

0.0001

0.001

0.01

0.1

100

1,000

Fig. 1 Transient Thermal Response

t , PULSE DURATION TIME (s)

0.001

0.01

0.1

T - T = P * R

(t)

Duty Cycle, D = t /t

(t) = r(t) *

θJA

= 370°C/W

P(pk)

D = 0.7

D = 0.5

D = 0.3

D = 0.05

D = 0.02

D = 0.01

D = 0.005

D = Single Pulse

D = 0.9

D = 0.1

0.00001

0.001

0.1

1,000

Fig. 2 Single Pulse Maximum Power Dissipation

t , PULSE DURATION TIME (s)

100

1,000

0.1

Single Pulse

T - T = P * R

(t)

Duty Cycle, D = t /t

(t) = r(t) *

θJA

= 370°C/W

0.1

0.2

0.3

0.4

100

120

140

160

T , AMBIENT TEMPERATURE ( C)

Fig. 3 Power Dissipation vs. Ambient Temperature

Note 3

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