Si4940DY
Vishay Siliconix
TYPICAL CHARACTERISTICS 25 °C unless otherwise noted
0.4
0.2
50
40
I D = 250 μA
0.0
30
- 0.2
20
- 0.4
- 0.6
10
- 0.8
- 50
- 25
0
25 50 75 100
125
150
0
0.001
0.01
0.1
1
10
100
600
T J - Temperature (°C)
Threshold Voltage
Time (s)
Single Pulse Power
2
1
Duty Cycle = 0.5
0.2
Notes:
t 1
0.1
0.1
0.05
0.02
Single Pulse
P DM
t 1
t 2
1. Duty Cycle, D =
t 2
2. Per Unit Base = R thJA = 90 °C/W
3. T JM - T A = P DM Z thJA(t)
4. Surface Mounted
0.01
10 -4
10 -3
10 -2
10 -1
1
10
100
600
Square Wave Pulse Duration (s)
Normalized Thermal Transient Impedance, Junction-to-Ambient
2
1
Duty Cycle = 0.5
0.2
0.1
0.1
0.05
0.02
Single Pulse
0.01
10 -4
10 -3
10 -2
10 -1
1
10
Square Wave Pulse Duration (s)
Normalized Thermal Transient Impedance, Junction-to-Foot
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?71649 .
www.vishay.com
4
Document Number: 71649
S09-0704-Rev. D, 27-Apr-09
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