component
SMAJ10A
Public Made by Adomby adom
Littelfuse TVS, 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
markdownSMAJ10A
Littelfuse · TVS · DO-214AC(SMA)
SMAJ10A from Littelfuse, 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 | Littelfuse |
| 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 (unidirectional, SMAJ10A) | VBR | 11.1 | 12.3 | V | @ IT = 1 mA | 2 | |
| Maximum clamping voltage | VC | 17 | V | @ Ipp = 23.5 A | 2 | ||
| Maximum peak pulse current | Ipp | 23.5 | A | 2 | |||
| Maximum reverse leakage current | IR | 5 | µA | @ VR = 10 V | 2 | ||
| Reverse stand-off voltage | VR | 10 | V | 2 | |||
| VBR tolerance (A suffix, 5% VBR voltage tolerance) | VBR | -5 | 5 | % | A-suffix unidirectional, per part-numbering table | 6 | |
| Peak pulse power dissipation (10/1000 µs waveform) | PPPM | 400 | W | TA = 25°C, 10/1000 µs waveform (Fig.2) | 1 | ||
| Power dissipation on infinite heat sink | PD | 3.3 | W | at TL = 50°C | 1 | ||
| Peak forward surge current | IFSM | 60 | A | 8.3 ms single half sine wave (Note 3), unidirectional only | 1 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | @ 25 A, unidirectional only; single-die part (Note 4) | 1 | ||
| Operating temperature range | TJ | -65 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -65 | 175 | °C | 1 | ||
| Typical thermal resistance junction to lead | RθJL | 30 | °C/W | 1 | |||
| Typical thermal resistance junction to ambient | RθJA | 120 | °C/W | 1 | |||
| Temperature coefficient of breakdown voltage (αT) | αT | 0.1 | % | VBR@TJ = VBR@25°C × (1+αT × (TJ − 25)) | 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 5.0x5.0mm copper pad to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMAJ10A - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
smaj10a-etched.step/smaj10a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj10a.step/smaj10a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (6 pp, sha256
3f987f8fc0988aae, 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).