www.vishay.com
6
Document Number: 73701
S09-2277-Rev. C, 02-Nov-09
Vishay Siliconix
Si3451DV
TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see www.vishay.com/ppg?73701
.
Normalized Thermal Transient Impedance, Junction-to-Ambient
10
-3
10
-2
110 60010
-1
10
-4
100
2
1
0.1
0.01
0.2
0.1
0.05
0.02
Duty Cycle = 0.5
Square Wave Pulse Duration (s)
tneisnarT evitceffE dezilamroN
ecnadepmI lamrehT
1. Duty Cycle, D =
2. Per Unit Base = R
thJA
= 120 °C/W
3. T
JM
- T
A
= P
DM
Z
thJA
(t)
t
1
t
2
t
1
t
2
Notes:
4. Surface Mounted
P
DM
Single Pulse
Normalized Thermal Transient Impedance, Junction-to-Foot
10
-3
10
-2
11010
-1
10
-4
2
1
0.1
0.01
0.2
0.1
0.05
0.02
Duty Cycle = 0.5
Square Wave Pulse Duration (s)
tneisnarT ev
it
c
e
f
fE
de
zil
am
r
oN
ecnade
p
m
I
lam
r
e
h
T
Single Pulse