SMF4L Datasheet, PDF (3/6 Pages) Littelfuse – TVS Diodes Surface Mount – 400W

TVS Diodes
Surface Mount – 400W > SMF4L Series
I-V Curve Characteristics
Uni-directional
Vc VBR VR
IR VF
V
IT
Ipp
P_PPM Peak Pulse Power Dissipation -- Max power dissipation
V_R Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
V_BR Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (I_T)
V_C Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current)
I_R Reverse Leakage Current -- Current measured at V_R
V_F Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves (T_A=25°C unless otherwise noted)
Figure 1 - TVS Transients Clamping Waveform
Figure 2 - Peak Pulse Power Rating Curve
Voltage Transients
10
Voltage Across TVS
Current Through TVS
1
Time
0.2x0.2" (5.0x5.0mm)
Copper Pad Area
0.1
0.000001
0.00001
0.0001
t_d-Pulse Width (sec.)
0.001
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©2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/02/16