component
SMAJE12AH
Public Made by Adomby adom
EATON ESD And Surge Protection (TVS/ESD), 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
markdownSMAJE12AH
EATON · ESD And Surge Protection (TVS/ESD) · SMA
SMAJE12AH from EATON, in a 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 | EATON |
| Package | 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 | 13.3 | V | at IT 1 mA | 3 | ||
| Breakdown voltage (max) | VBR | 14.7 | V | at IT 1 mA | 3 | ||
| Clamping voltage (max) | VC | 19.9 | V | at IPP 20.1 A | 3 | ||
| Maximum instantaneous forward voltage | VF | 5 | V | at 100 A for unidirectional | 2 | ||
| Storage operating junction temperature range | TSTG/ TJ | -55 | 150 | °C | 2 | ||
| Steady state power dissipation | PM(AV) | 3.3 | W | at TL = +75 °C | 2 | ||
| Peak pulse power dissipation | PPP | 400 | W | on 10/1000 μs waveform | 2 | ||
| Peak forward surge current | IFSM | 60 | A | 8.3 ms single half sine wave; unidirectional device only; duty cycle 4 per minute maximum | 2 | ||
| Typical thermal resistance junction to lead | RθJL | 30 | °C/W | typical | 2 | ||
| Typical thermal resistance junction to ambient | RθJA | 120 | °C/W | typical | 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 | • Terminal: tin plated, solderable per J-STD-002 • UL 497B recognized. | 1 |
CAD (KiCad official)
- Symbol:
SMAJE12AH - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
smaje12ah-etched.step/smaje12ah-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaje12ah.step/smaje12ah.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: EATON datasheet (5 pp, sha256
92a3b43277b1d2e7, retrieved 2026-10-16, 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).