Si2308CDS
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Vishay Siliconix
S17-0939-Rev. A, 19-Jun-17
6
Document Number: 77744
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TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
Normalized Thermal Transient Impedance, Junction-to-Ambient
Normalized Thermal Transient Impedance, Junction-to-Case
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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?77744
.
10
-3
10
-2
110 100010
-1
10
-4
100
0.2
0.1
Square Wave Pulse Duration (s)
Normalized Effective Transient
Thermal Impedance
1
0.1
0.01
Duty cycle = 0.5
Single pulse
0.02
0.05
10
-3
10
-2
01110
-1
10
-4
0.2
0.1
Duty cycle = 0.5
Square Wave Pulse Duration (s)
Normalized Effective Transient
Thermal Impedance
1
0.1
0.01
Single pulse
0.02
0.05
t
1
t
2
Notes:
P
DM
1. Duty cycle, D =
2. Per unit base = R
thJF
= 50 °C/W
3. T
JM
-T
A
=P
DM
Z
thJA
(t)
t
1
t
2
4. Surface mounted