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PXT2222A Datasheet, PDF (5/10 Pages) NXP Semiconductors – NPN switching transistor
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NXP Semiconductors
NPN switching transistor
Product data sheet
PXT2222A
103
Zth
(K/W)
(1)
102 (2)
(3)
(4)
(5)
(6)
10 (7)
(8)
(9)
(10)
1
10−5
10−4
10−3
10−2
10−1
1
006aaa236
10
102
103
tp (s)
Mounted on FR4 printed-circuit board; mounting pad for collector 1 cm2.
(1) δ = 1.
(2) δ = 0.75.
(3) δ = 0.5.
(4) δ = 0.33.
(5) δ = 0.2.
(6) δ = 0.1.
(7) δ = 0.05.
(8) δ = 0.02.
(9) δ = 0.01.
(10) δ = 0.
Fig.4 Transient thermal impedance as a function of pulse time; typical values.
103
Zth
(K/W)
102 (1)
(2)
(3)
(4)
(5)
(6)
10 (7)
(8)
(9)
(10)
1
10−5
10−4
10−3
10−2
10−1
1
006aaa237
10
102
103
tp (s)
Mounted on FR4 printed-circuit board; mounting pad for collector 6 cm2.
(1) δ = 1.
(2) δ = 0.75.
(3) δ = 0.5.
(4) δ = 0.33.
(5) δ = 0.2.
(6) δ = 0.1.
(7) δ = 0.05.
(8) δ = 0.02.
(9) δ = 0.01.
(10) δ = 0.
Fig.5 Transient thermal impedance as a function of pulse time; typical values.
2004 Nov 22
5
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