Datasheet

SQJ208EP
www.vishay.com
Vishay Siliconix
S19-0037-Rev. B, 21-Jan-2019
6
Document Number: 77836
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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
100
1000
10000
0.01
0.1
1
0.0001 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
10
100
1000
10000
0.01
0.1
1
0.0001 0.001 0.01 0.1 1 10
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