SMF4L Datasheet, PDF (4/6 Pages) Littelfuse – TVS Diodes Surface Mount – 400W

TVS Diodes
Surface Mount – 400W > SMF4L Series
Ratings and Characteristic Curves (T_A=25°C unless otherwise noted) (Continued)
Figure 3 - Peak Pulse Power Derating Curve
Figure 4 - Pulse Waveform - 10/1000µS
100
80
60
40
20
0
0
25 50 75 100 125 150 175
T_J - Initial Junction Temperature (ºC)
150
100
50
tr=10µsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Half Value
( ) IPPM IPPM
2
10/1000µsec. Waveform
as defined by R.E.A
td
0
0
1.0
2.0
3.0
4.0
t-Time (ms)
Figure 5 - Forward Voltage
0.9
0.8
0.7
0.6
0.5
0.4
0
-55
10
75
140
Temperature (ºC)
Figure 6 - Typical Junction Capacitance
10000
1000
Uni-directional V=0v
100
Uni-directional V=V_R
10
1
1
10
100
VBR - Reverse Breakdown Voltage (V)
Figure 7 - Peak Forward Voltage Drop vs. Peak Forward
Current
10
1
0.1
0.01
0
0.5
1
1.5
2
2.5
3
3.5
4
V _F- Peak Forward Voltage(V)
Figure 8 - Maximum Non-Repetitive Forward Surge
Current Uni-Directional Only
35
30
25
20
15
10
5
0
1
10
100
Number of Cycles at 60 Hz
©2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/02/16