參數(shù)資料
型號(hào): BCX55-10
廠商: NXP Semiconductors N.V.
元件分類: 功率晶體管
封裝: BCP55<SOT223 (SC-73)|<<http://www.nxp.com/packages/SOT223.html<1<week 34, 2003,;BCP55<SOT223 (SC-73)|<<http://www.nxp.com/packages/SOT223.html<1<week 34, 2003,;BCP5
文件頁數(shù): 6/15頁
文件大?。?/td> 153K
代理商: BCX55-10
BC637_BCP55_BCX55_7
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 07 — 25 June 2007
6 of 15
NXP Semiconductors
BC637; BCP55; BCX55
60 V, 1 A NPN medium power transistors
6.
Thermal characteristics
[1]
Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.
[2]
Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for collector 1 cm
2
.
[3]
Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for collector 6 cm
2
.
Table 7.
Symbol
R
th(j-a)
Thermal characteristics
Parameter
thermal resistance from
junction to ambient
BC637
BCP55
Conditions
in free air
Min
Typ
Max
Unit
[1]
-
-
-
-
-
-
-
150
195
130
250
145
100
K/W
K/W
K/W
K/W
K/W
K/W
[1]
-
[2]
-
BCX55
[1]
-
[2]
-
[3]
-
R
th(j-sp)
thermal resistance from
junction to solder point
BC637
BCP55
BCX55
-
-
-
-
-
-
40
17
30
K/W
K/W
K/W
FR4 PCB, standard footprint
Fig 4.
Transient thermal impedance from junction to ambient as a function of pulse duration for SOT54;
typical values
006aaa088
10
5
10
10
2
10
4
10
2
10
1
t
p
(s)
10
3
10
3
1
10
2
10
10
3
Z
th(j-a)
(K/W)
1
0
duty cycle =
1
0.75
0.5
0.33
0.2
0.1
0.05
0.02
0.01
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