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Document Number: 74282
S11-0212-Rev. C, 14-Feb-11
Vishay Siliconix
Si7430DP
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?74282
.
Normalized Thermal Transient Impedance, Junction-to-Ambient
10
-3
10
-2
10
-1
100
Square Wave Pulse Duration (s)
10
1000
1
0.1
0.01
t n e i s n a r T e v i t c e f f E d e z i l a m r o N
ecnadepmI lamrehT
1
10
-4
0.2
0.1
0.05
0.02
Single Pulse
Duty Cycle = 0.5
1. Duty Cycle, D =
2. Per Unit Base = R
thJA
= 65 °C/W
3. T
JM
- T
A
= P
DM
Z
thJA
(t)
t
1
t
2
4. Surface Mounted
Notes:
t
1
P
DM
t
2
Normalized Thermal Transient Impedance, Junction-to-Case
10
-3
10
-2
10
-1
10
1
0.1
0.01
Square Wave Pulse Duration (s)
t n e i s n a r T e
v
i t c
e
f f E
d
e z i l
a m
r
o N
ecnade
p
mI l
a
mre
h
T
-4
1
0.2
0.1
0.05
Single Pulse
Duty Cycle = 0.5
0.02