SQJ202EP
www.vishay.com
Vishay Siliconix
S15-2474-Rev. A, 19-Oct-15
6
Document Number: 62926
For technical questions, contact: automostechsupport@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
N-CHANNEL 1 TYPICAL CHARACTERISTICS (T
A
= 25 °C, unless otherwise noted)
Normalized Thermal Transient Impedance, Junction-to-Ambient
Normalized Thermal Transient Impedance, Junction-to-Case
Note
• The characteristics shown in the graph:
- Normalized Transient Thermal Impedance Junction-to-Ambient (25 °C)
is 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
-
3
10
-
2
1 10 60010
-
1
10
-
4
100
2
1
0.1
0.01
0.2
0.1
0.05
0.02
Single Pulse
Duty Cycle = 0.5
Square Wave Pulse Duration (s)
Normalized Effective Transient
Thermal Impedance
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
t
1
t
2
Notes:
4. Surface Mounted
P
DM
10
-3
10
-2
10
-1
10
-4
1
2
1
0.1
0.01
0.2
0.1
0.05
Pulse
Duty Cycle = 0.5
Square Wave Pulse Duration (s)
Normalized Effective Transient
Thermal Impedance
0.02
Single
