SUA70060E
www.vishay.com
Vishay Siliconix
S16-1128-Rev. A, 06-Jun-16
5
Document Number: 65787
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THERMAL RATINGS (T
A
= 25 °C, unless otherwise noted)
Current De-Rating I
DAV
vs. Time
Normalized Thermal Transient Impedance, Junction-to-Ambient
Note
• The characteristics shown in the two graphs
- Normalized Transient Thermal Impedance Junction to Ambient (25 °C)
- Normalized Transient Thermal Impedance Junction to Case (25 °C)
are given for general guidelines only to enable the user to get a “ball park” indication of part capabilities. The data are extracted from single
pulse transient thermal impedance characteristics which are developed from empirical measurements. The latter is valid for the part
mounted on printed circuit board - FR4, size 1" x 1" x 0.062", double sided with 2 oz. copper, 100 % on both sides. The part capabilities
can widely vary depending on actual application parameters and operating conditions.
10
100
1000
10000
0
13
26
39
52
65
0255075100125150
Axis Title
1st line
2nd line
2nd line
I
D
- Drain Current (A)
T
C
- Case Temperature (°C)
2nd line
10
100
1000
10000
10
100
0.00001 0.0001 0.001 0.01
Axis Title
1st line
2nd line
2nd line
I
DAV
(A)
Time (s)
2nd line
150 °C
25 °C
10
100
1000
10000
0.01
0.1
1
0.001 0.01 0.1 1 10 100 1000
Axis Title
1st line
2nd line
Normalized Effective Transient
Thermal Impedance
Square Wave Pulse Duration (s)
2nd line
0.1
0.05
0.02
Single pulse
Duty Cycle = 0.5
0.2
P
DM
t
1
t
2
1. Duty cycle, D =
2. Per unit base = R
thJA
= 60 °C/W
3. T
JM
-T
A
= P
DM
Z
thJA
(t)
4. Surface mounted
t
1
t
2
Notes: