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1.5SMB33A Datasheet TVS Diodes

Manufacturer: Littelfuse

Download the 1.5SMB33A datasheet PDF. This datasheet also includes the 1.5SMB20A variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (1.5SMB20A-Littelfuse.pdf) that lists specifications for multiple related part numbers.

General Description

The 1.5SMB Series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

Overview

1.5SMB Series Surface Mount – 1000W TVS Diodes Datasheet RoHS Pb e3 Uni-directional Bi-directional Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power Dissipation by 10/1000μs Waveform (Fig.2) (Note 1), (Note 2) PPPM 1500 W Power Dissipation on Infinite Heat Sink at TL=50OC PD Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) IFSM 5.0 W 120 A Maximum Instantaneous Forward Voltage at 50A for Unidirectional Only VF 5.0 V Operating Temperature Range TJ -65 to 150 °C Storage Temperature Range TSTG -65 to 175 °C Typical Thermal Resistance Junction to Lead RθJL 20 °C/W Typical Thermal Resistance Junction to Ambient RθJA 100 °C/W Notes: 1.

Non-repetitive current pulse, per Fig.

4 and derated above TJ (initial) =25OC per Fig.

Key Features

  • & Benefits.
  • For surface mounted.

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