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SMF4L40A Datasheet TVS Diodes

Manufacturer: Littelfuse

Download the SMF4L40A datasheet PDF. This datasheet also includes the SMF4L5.0A variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (SMF4L5.0A-Littelfuse.pdf) that lists specifications for multiple related part numbers.

General Description

The SMF4L series of SOD-123FL small and flat lead low-profile plastic package is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

Overview

SMF4L Series Surface Mount – 400W TVS Diode Datasheet RoHS Pb e3 Uni-directional Bi-directional Additional Information Resources Agency Accessories Samples Agency Approvals Agency File Number E230531 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power 8/20μs (Note2) Dissipation at TA=25ºC (Note 1) 10/1000μs (Note3) PPPM Power Dissipation On Infinite Heat Sink at TL=50ºC PD Thermal Resistance Junction to Ambient RƟJA Thermal Resistance Junction to Lead RƟJL 2000 W 400 W 1 W 220 °C/W 100 °C/W Operating and Storage Temperature Range TJ,TSTG -55 to 150 °C Notes: 1.

Non-repetitive current pulse, per Fig.

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

Key Features

  • & Benefits.
  • 400W peak pulsepower capability at 10/1000µs waveform, repetition rate (duty cycle): 0.01%.
  • Compatible with industrial standard package SOD-123FL.
  • Low profile: maximum height of 1.08 mm.
  • Low inductance, excellent clamping capability.
  • For surface mounted.

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