component
SMF4L24A
Public Made by Adomby adom
LGE ESD And Surge Protection (TVS/ESD), SOD-123FL. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownSMF4L24A
LGE · ESD And Surge Protection (TVS/ESD) · SOD-123FL
SMF4L24A from LGE, in a SOD-123FL. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LGE |
| Package | SOD-123FL |
| Category | Circuit Protection |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (min) | VBR | 26.7 | V | IT = 1 mA; measured after IT applied for 300µs (note 1) | 2 | ||
| Breakdown voltage (max) | VBR | 29.5 | V | IT = 1 mA; measured after IT applied for 300µs (note 1) | 2 | ||
| Maximum clamping voltage | VC | 38.9 | V | @IPP = 10.28 A | 2 | ||
| Maximum reverse leakage | IR | 1 | µA | @VR = 24 V | 2 | ||
| Maximum peak pulse current | IPP | 10.28 | A | 10/1000µs surge waveform (note 2) | 2 | ||
| Peak power dissipation (10/1000µs) | PPP | 400 | W | 10/1000µs waveform, non-repetitive, derated above TA=25℃ per Fig.1 (note 1) | 1 | ||
| Peak power dissipation (8/20µs) | PPP | 2000 | W | 8/20µs waveform (note 1) | 1 | ||
| Peak forward surge current | IFSM | 30 | A | 8.3ms single half sine-wave, unidirectional only (note 2) | 1 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | at 25A, unidirectional only | 1 | ||
| Junction temperature | TJ | 150 | ℃ | 1 | |||
| Storage temperature range | TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal resistance junction to ambient | RΘJA | 220 | ℃/W | 1 | |||
| Thermal resistance junction to lead | RΘJL | 100 | ℃/W | 1 | |||
| Reverse stand-off voltage | VR | 24 | V | Unidirectional SMF4L24A | 2 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | ◇ Terminals:Matte Tin lead-free plated Finish. Solderable per MIL-STD-202 Method 208 | 1 |
CAD (KiCad official)
- Symbol:
SMF4L24A - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
smf4l24a-etched.step/smf4l24a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smf4l24a.step/smf4l24a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LGE datasheet (3 pp, sha256
8a4abb223ee18d02, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).