component
SMAJ24CAX
Public Made by Adomby adom
Shenzhen JingYang 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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README
markdownSMAJ24CAX
Shenzhen JingYang · ESD And Surge Protection (TVS/ESD) · SMA
SMAJ24CAX from Shenzhen JingYang, 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 | Shenzhen JingYang |
| 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 (bidirectional, SMAJ24CA) | VBR | 26.7 | 29.5 | V | @ IT 1 mA | 3 | |
| Maximum reverse voltage at IRSM (clamping voltage) | VRSM | 38.9 | V | at IRSM | 3 | ||
| Maximum reverse surge current | IRSM | 10.3 | A | 3 | |||
| Maximum leakage current | IR | 0.5 | uA | 3 | |||
| Peak power dissipation | PPK | 400 | W | TA = 25 C, TP = 1 ms (Note 1) | 1 | ||
| Peak forward surge current | IFSM | 40 | A | 8.3 ms single half sine-wave @ TJ = 25 C (Note 2) | 1 | ||
| Steady state power dissipation | PM(AV) | 1 | W | at TL = 120 C | 1 | ||
| Maximum instantaneous forward voltage | VF | 3 | V | at 16 A (Note 2, 3) | 1 | ||
| Operating temperature range | TJ | -55 | 175 | C | 1 | ||
| Storage temperature range | TSTG | -55 | 175 | C | 1 | ||
| Working peak reverse voltage (unidirectional/bidirectional table value) | VRWM | 24 | V | 3 |
CAD (KiCad official)
- Symbol:
SMAJ24CAX - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
smaj24cax-etched.step/smaj24cax-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj24cax.step/smaj24cax.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Shenzhen JingYang datasheet (4 pp, sha256
0ece3d1617f2fa43, retrieved 2026-10-22, 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).