參數(shù)資料
型號: SI9925
廠商: NXP Semiconductors N.V.
英文描述: N-channel enhancement mode field-effect transistor
中文描述: N溝道增強型場效應管
文件頁數(shù): 4/13頁
文件大?。?/td> 272K
代理商: SI9925
Philips Semiconductors
Si9925DY
N-channel enhancement mode field-effect transistor
Product data
Rev. 01 — 20 July 2001
4 of 13
9397 750 08415
Philips Electronics N.V. 2001. All rights reserved.
7.
Thermal characteristics
7.1 Transient thermal impedance
Table 4:
Symbol Parameter
R
th(j-a)
thermal resistance from junction to ambient
Thermal characteristics
Conditions
mounted on a printed circuit board;
minimum footprint;
Figure 4
Value
62.5
Unit
K/W
T
amb
= 25
°
C
Fig 4.
Transient thermal impedance from junction to ambient as a function of pulse duration.
03af75
10-1
1
10
102
10-4
10-3
10-2
10-1
1
10
t
p
(s)
Z
th(j-amb)
(K/W)
single pulse
δ
= 0.5
0.2
0.1
0.05
0.02
tp
tp
T
T
P
t
δ
=
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