Transient Voltage Suppression Diodes

© 2015 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 11/20/15

Surface Mount – 1500W > SMCJ series

I-V Curve Characteristics

Voltage Transients

Time

Voltage Across TVS

Current Through TVS

Figure 1 - TVS Transients Clamping Waveform

t

0.1

1

10

100

0.0010.010.1

110

stacked-die, 2kW

TJ initial =Tamb

Single die, 1.5kW

Figure 2 - Peak Pulse Power Rating

V

Uni-directional

V

Vc

Bi-directional

P

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

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

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