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TS431ACY 1N5232 C3851 N3906 C3851 2PD1820A TNA086AE HCT2G0
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Thermal Data
POWER DIP 24 20+2+2 leads
24 leads
PACKAGE MATERIAL LIST
item #
material
thickness
thermal conductivity 2.6 W/cmC 0.01 W/cmC
leadframe die attach
copper epoxy glue (silver filled)
0.25 mm 15-50 m
molding compound
epoxy resin
3 mm
0.0063W/cmC
Charts enclosed : 1) Rth(j-a) vs on board heat sink 2) Zth(j-a) vs time width
November 2000
1/2
Thermal Data
Rth(j-c) (C/W) 60
POWER DIP 20+2+2
Test board with two " on board " square heat sink versus side l
55
1)
50 45
die pad = 152x160 sq.mils die size = 120x130 sq.mils Pd = 2 Watt l
on board copper area thickness :
35 m
40
70 m
35
105 m
30
25 0 1 2 3 side l ( cm ) on PCB heat sink 4 5
Transient Thermal Resistance (C/W) 50
SINGLE PULSE
C Pd = 2 Watt, mounted on board die size = 120x130 sq.mils dissipating area = 2.000 sq.mils A B
2)
10
A = 35 m thick, no heat sink B = 35 m thick 4x4 sq.cm on board Cu area C = 105 m thick 4x4 sq.cm on board Cu area
1 0.001
0.01
0.1
1 10 Time or pulse width ( s )
100
1,000
2/2


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