參數(shù)資料
型號(hào): 934056703118
廠商: NXP SEMICONDUCTORS
元件分類: JFETs
英文描述: 43 A, 55 V, 0.025 ohm, N-CHANNEL, Si, POWER, MOSFET, TO-252AA
封裝: PLASTIC, SC-63, DPAK-3
文件頁(yè)數(shù): 8/13頁(yè)
文件大?。?/td> 273K
代理商: 934056703118
Philips Semiconductors
BUK7225-55A
TrenchMOS standard level FET
Product specication
Rev. 01 — 17 April 2001
4 of 13
9397 750 08222
Philips Electronics N.V. 2001. All rights reserved.
7.
Thermal characteristics
7.1 Transient thermal impedance
Table 4:
Thermal characteristics
Symbol
Parameter
Conditions
Value
Unit
Rth(j-a)
thermal resistance from junction to ambient
minimum footprint, FR4 board
71.4
K/W
Rth(j-mb)
thermal resistance from junction to mounting
base
1.6
K/W
Fig 4.
Transient thermal impedance from junction to mounting base as a function of pulse duration.
03ne71
Single Shot
0.2
0.1
0.05
0.02
10-2
10-1
1
10
10-6
10-5
10-4
10-3
10-2
10-1
1
tp (s)
Zth(j-mb)
(K/W)
δ = 0.5
tp
T
P
t
T
δ =
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