component
FESD3B3D3
Public Made by Adomby adom
FUXINSEMI ESD And Surge Protection (TVS/ESD), SOD-323. 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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README
markdownFESD3B3D3
FUXINSEMI · ESD And Surge Protection (TVS/ESD) · SOD-323
FESD3B3D3 from FUXINSEMI, in a SOD-323. 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | FUXINSEMI |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak pulse power dissipation | PPP | 450 | W | 8/20µs waveform | 2 | ||
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | 30 | kV | IEC 61000-4-2 air | 2 | |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 | 30 | kV | IEC 61000-4-2 contact | 2 | |
| Lead soldering temperature | TL | 260 | ℃ | 10 sec. | 2 | ||
| Operating junction temperature range | TJ | -55 | 125 | ℃ | 2 | ||
| Storage temperature range | TSTG | -55 | 150 | ℃ | 2 | ||
| Reverse working voltage | VRWM | 3.3 | V | 2 | |||
| Reverse breakdown voltage | VBR | 4 | 6 | V | IT = 1mA | 2 | |
| Reverse leakage current | IR | 1 | µA | VRWM =3.3V | 2 | ||
| Clamping voltage | VC | 12 | V | IPP=30A, tp =8/20µs | 2 | ||
| Junction capacitance | CJ | 50 | 100 | pF | VR = 0V, f = 1MHz | 2 |
CAD (KiCad official)
- Symbol:
FESD3B3D3 - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
fesd3b3d3-etched.step/fesd3b3d3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fesd3b3d3.step/fesd3b3d3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FUXINSEMI datasheet (3 pp, sha256
dd4e99c2b3641ef5, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).