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Document Number: 67341
S11-0243-Rev. A, 14-Feb-11
Vishay Siliconix
Si4403CDY
New Product
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?67341
.
Normalized Thermal Transient Impedance, Junction-to-Ambient
0.01
0.1
1
0.0001 0.001 0.01 0.1 1 10 100 1000
Normalized Effective Transient
Thermal Impedance
Square Wave Pulse Duration (s)
Duty Cycle = 0.5
0.2
0.1
0.05
0.02
Single Pulse
t
1
t
2
Notes:
P
DM
1. Duty Cycle, D =
2. Per Unit Base = R
thJA
=85 °C/W
3. T
JM
-T
A
=P
DM
Z
thJA
(t)
t
1
t
2
4. Surface Mounted
Normalized Thermal Transient Impedance, Junction-to-Foot
0.01
0.1
1
0.0001 0.001 0.01 0.1 1 10
Normalized Effective Transient
Thermal Impedance
Square Wave Pulse Duration (s)
Duty Cycle = 0.5
0.2
0.1
0.05
0.02
Single Pulse