Littelfuse SMBJ Series Manuel d'utilisateur télécharger pdf (Page 3)

Transient Voltage Suppression Diodes

Speciﬁcations are subject to change without notice.

Revised: 01/24/14

Surface Mount – 600W > SMBJ series

I-V Curve Characteristics

Ratings and Characteristic Curves (T

=25°C unless otherwise noted)

0.1

100

0.0000010.00001 0.0001 0.001

-Pulse Width (sec.)

0.2x0.2" (5.0x5.0mm)

Copper Pad Area

PPM

-Peak Pulse Power (kW)

Figure 2 - Peak Pulse Power Rating

Voltage Transients

Time

Voltage Across TVS

Current Through TVS

Voltage or Current

Figure 1 - TVS Transients Clamping Waveform

Ipp

Uni-directional

Ipp

Bi-directional

PPM

Peak Pulse Power Dissipation--Maxpowerdissipation

Stand-off Voltage--MaximumvoltagethatcanbeappliedtotheTVSwithoutoperation

Breakdown Voltage--MaximumvoltagethatowsthoughtheTVSataspeciedtestcurrent(I

)

Clamping Voltage--PeakvoltagemeasuredacrossthesuppressorataspeciedIppm(peakimpulsecurrent)

Reverse Leakage Current --CurrentmeasuredatV

Forward Voltage Drop for Uni-directional

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Littelfuse SMBJ Series Manuel d'utilisateur Page 3