PXT4401 NXP Semiconductors, PXT4401 Datasheet - Page 5

• Manufacturer Part Number: PXT4401
• Description: Npn Switching Transistor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2004 Nov 22
NPN switching transistor
Mounted on FR4 printed-circuit board; mounting pad for collector 1 cm
(1)
(2)
Mounted on FR4 printed-circuit board; mounting pad for collector 6 cm
(1)
(2)
(K/W)
(K/W)
Z
Z
th
th
10
10
10
10
10
10
= 1.
= 0.75.
= 1.
= 0.75.
1
1
3
2
10
3
2
10
(10)
5
(10)
5
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(1)
(3)
(5)
(6)
(7)
(8)
(9)
(2)
(4)
(3)
(4)
(3)
(4)
Fig.4 Transient thermal impedance as a function of pulse time; typical values.
Fig.5 Transient thermal impedance as a function of pulse time; typical values.
10
10
4
4
= 0.5.
= 0.33.
= 0.5.
= 0.33.
10
10
(5)
(6)
(5)
(6)
3
3
= 0.2.
= 0.1.
= 0.2.
= 0.1.
10
10
2
2
(7)
(8)
(7)
(8)
2
2
= 0.05.
= 0.02.
= 0.05.
= 0.02.
.
.
10
10
5
1
1
(9)
(10) = 0.
(9)
(10) = 0.
1
1
= 0.01.
= 0.01.
10
10
10
10
2
2
Product specification
t
t
p
p
006aaa236
006aaa237
PXT4401
(s)
(s)
10
10
3
3