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PHB33NQ20T

N-channel TrenchMOS standard level FET

NXP Semiconductors. 

NXP Semiconductors

PHB33NQ20T

N-channel TrenchMOS standard level FET

5. Thermal characteristics

Table 5.

Symbol

Rth(j-a)

Rth(j-mb)

Thermal characteristics

Parameter

Conditions

thermal resistance from mounted on a printed circuit board;

junction to ambient

minimum footprint; vertical in still air

thermal resistance from see Figure 4

junction to mounting

base

Min Typ Max Unit

-

50

-

K/W

-

-

0.65 K/W

10

Zth(j-mb)

(K/W)

1

δ = 0.5

10-1

0.2

0.1

0.05

0.02

10-2

single pulse

03ao09

P

δ = tp

T

10-3

10-5

10-4

10-3

10-2

tp

t

T

10-1

1

tp (s)

Fig 4. Transient thermal impedance from junction to mounting base as a function of pulse duration

PHB33NQ20T_2

Product data sheet

Rev. 02 — 3 February 2009

© NXP B.V. 2009. All rights reserved.

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