SMA6J18CAQ
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech 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.
| Name | Last updated |
|---|---|
| docs | 8d ago |
| viewers | 8d ago |
| package.json | 8d ago |
| page.json | 8d ago |
| README.md | 8d ago |
| sma6j18caq-etched.glb | 8d ago |
| sma6j18caq-etched.step | 8d ago |
| sma6j18caq-hero.glb | 8d ago |
| sma6j18caq-hero.overlay.json | 8d ago |
| sma6j18caq.glb | 8d ago |
| sma6j18caq.kicad_mod | 8d ago |
| sma6j18caq.kicad_sym | 8d ago |
| sma6j18caq.lbr | 8d ago |
| sma6j18caq.step | 8d ago |
SMA6J18CAQ
Yangzhou Yangjie Elec Tech · ESD And Surge Protection (TVS/ESD) · DO-214AC(SMA)
SMA6J18CAQ from Yangzhou Yangjie Elec Tech, 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 | Yangzhou Yangjie Elec Tech |
| 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 | VBR | 20 | 22.1 | V | IT = 1 mA, pulse test tp≤50ms (note 3) | 2 | |
| Maximum reverse leakage current | IR | 1 | μA | @ VRWM = 18 V | 2 | ||
| Working peak reverse voltage | VRWM | 18 | V | 2 | |||
| Maximum reverse surge current | IPP | 20.6 | A | 10/1000μs surge waveform per Fig.3, derated per Fig.2 (note 4) | 2 | ||
| Maximum clamping voltage | VC | 29.2 | V | @ IPP | 2 | ||
| Peak power dissipation | PPPM | 600 | W | 10/1000us waveform (1)(2) (Fig.1) | 1 | ||
| Power dissipation | PD | 3 | W | on infinite heat sink at TL=85℃ | 1 | ||
| Operating junction temperature | TJ | -55 | 175 | ℃ | 1 | ||
| Storage temperature range | TSTG | -55 | 175 | ℃ | 1 | ||
| Thermal resistance, junction to lead (typical) | RθJL | 30 | ℃/W | junction to lead | 2 | ||
| Thermal resistance, junction to ambient (typical) | RθJA | 120 | ℃/W | junction to ambient | 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 |
|---|---|---|---|---|
| housing | black | 4. Body color: Black | 4 | |
| contacts | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
SMA6J18CAQ - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
sma6j18caq-etched.step/sma6j18caq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sma6j18caq.step/sma6j18caq.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256
abaac1e16595e043, 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).