component
SMFJ26A
Public Made by Adomby adom
RUILON(Shenzhen Ruilongyuan Elec) TVS, SOD-123F. 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
markdownSMFJ26A
RUILON(Shenzhen Ruilongyuan Elec) · TVS · SOD-123F
SMFJ26A from RUILON(Shenzhen Ruilongyuan Elec), in a SOD-123F. 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 | RUILON(Shenzhen Ruilongyuan Elec) |
| Package | SOD-123F |
| 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 | 28.9 | V | at IT = 1 mA | 2 | ||
| Breakdown voltage (max) | VBR | 31.9 | V | at IT = 1 mA | 2 | ||
| Max clamping voltage | VC | 42.1 | V | 10/1000µs waveform, at IPP | 2 | ||
| Max peak pulse current | IPP | 4.7 | A | 10/1000µs | 2 | ||
| Reverse leakage current | IR | 1 | µA | at VRWM | 2 | ||
| Reverse stand-off voltage | VRWM | 26 | V | 2 | |||
| Peak pulse power dissipation | PPP | 200 | W | TA=25ºC by 10/1000µs (Note 1) | 1 | ||
| Power dissipation on infinite heat sink | PD | 1 | W | TL=75°C (Fig. 6) | 1 | ||
| Peak forward surge current | IFSM | 30 | A | 8.3ms single half sine wave (Note 2) | 1 | ||
| Operating temperature range | TJ | -55 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 |
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 | l Matte tin lead-free Plated l Halogen free and RoHS compliant | 1 |
CAD (KiCad official)
- Symbol:
SMFJ26A - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123F (KiCad packages3D, STEP)
- 3D model files:
smfj26a-etched.step/smfj26a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smfj26a.step/smfj26a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RUILON(Shenzhen Ruilongyuan Elec) datasheet (6 pp, sha256
6f8d77006eb56f37, retrieved 2026-10-21, 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).