
Transient Voltage Suppression Diodes
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/20/14
Surface Mount – 600W > P6SMB series
0.1
1
10
100
0.0010.010.1 1
P
PPM
-Peak Pulse Power (KW)
10
0.31x0.31" (8.0x8.0mm)
Copper Pad Area
t
d
-Pulse Width (ms)
I-V Curve Characteristics
Ratings and Characteristic Curves (T
A
=25°C unless otherwise noted)
Figure 2 - Peak Pulse Power Rating
Voltage Transients
Time
Voltage Across TVS
Current Through TVS
Figure 1 - TVS Transients Clamping Waveform
Vc
V
BR
VR
IR
IT
Ipp
V
Uni-directional
VF
Vc
V
BR
VR
IR
IT
Ipp
V
Vc
V
BR
VR
Ipp
IR
IT
Bi-directional
P
PPM
Peak Pulse Power Dissipation--Maxpowerdissipation
V
R
Stand-off Voltage--MaximumvoltagethatcanbeappliedtotheTVSwithoutoperation
V
BR
Breakdown Voltage--MaximumvoltagethatowsthoughtheTVSataspeciedtestcurrent(I
T
)
V
C
Clamping Voltage--PeakvoltagemeasuredacrossthesuppressorataspeciedIppm(peakimpulsecurrent)
I
R
Reverse Leakage Current --CurrentmeasuredatV
R
V
F
Forward Voltage Drop for Uni-directional
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