BUK9506-40B Просмотр технического описания (PDF) - Philips Electronics

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BUK9506-40B

TrenchMOS™ logic level FET

Philips Electronics 

Philips Semiconductors

BUK95/9606-40B

TrenchMOS™ logic level FET

4. Thermal characteristics

Table 3: Thermal characteristics

Symbol Parameter

Rth(j-mb) thermal resistance from junction to mounting

base

Rth(j-a)

thermal resistance from junction to ambient

SOT78 (TO-220AB)

SOT404 (D2-PAK)

Conditions

Figure 4

Min Typ Max Unit

- - 0.74 K/W

vertical in still air

- 60 - K/W

minimum footprint; mounted on a PCB - 50 - K/W

4.1 Transient thermal impedance

1

Zth(j-mb)

(K/W)

δ = 0.5

0.2

10-1 0.1

0.05

0.02

10-2

single shot

10-3

10-6

10-5

10-4

10-3

10-2

03nm22

P

δ=

tp

T

tp

t

T

10-1

tp (s)

1

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

9397 750 11241

Product data

Rev. 01 — 14 May 2003

© Koninklijke Philips Electronics N.V. 2003. All rights reserved.

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