component
SMA6J14A
Public Made by Adomby adom
Semiwell ESD And Surge Protection (TVS/ESD), DO-214AC(SMA). 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
markdownSMA6J14A
Semiwell · ESD And Surge Protection (TVS/ESD) · DO-214AC(SMA)
SMA6J14A from Semiwell, in a DO-214AC(SMA). 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 | Semiwell |
| Package | DO-214AC(SMA) |
| 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 | 15.6 | V | @IT = 1 mA (unidirectional SMA6J14A) | 2 | ||
| Breakdown voltage (max) | VBR | 17.2 | V | @IT = 1 mA (unidirectional SMA6J14A) | 2 | ||
| Maximum clamping voltage | VC | 23.2 | V | @IPP = 25.9 A | 2 | ||
| Reverse leakage current | IR | 1 | uA | @VRWM = 14.0 V | 2 | ||
| Reverse stand-off voltage | VRWM | 14 | V | 2 | |||
| Peak pulse current | IPP | 25.9 | A | 2 | |||
| Peak pulse power dissipation | PPPM | 600 | W | 10/1000us waveform (Note1, Note2) | 1 | ||
| Steady state power dissipation | PD | 3.3 | W | TL = 75°C, lead length .375in (9.5mm) (Note2) | 1 | ||
| Operating junction temperature | TJ | -55 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 | ||
| Junction to ambient thermal resistance | RθJA | 120 | °C/W | Junction to ambient on printed circuit; Notes 2 (5.0mm x 5.0mm copper pads) | 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 | Copper | 2.Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMA6J14A - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
sma6j14a-etched.step/sma6j14a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sma6j14a.step/sma6j14a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Semiwell datasheet (7 pp, sha256
9ced17ab15abc993, 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).