component
SMAJ8.5CA
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech 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
markdownSMAJ8.5CA
Yangzhou Yangjie Elec Tech · TVS · DO-214AC(SMA)
SMAJ8.5CA 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 (min to max) | VBR | 9.44 | 10.4 | V | IT = 1 mA; pulse test tp≤50ms (note 4) | 2 | |
| Maximum reverse leakage current | IR | 10 | µA | @ VRWM 8.5 V; note 6: IR limit doubled for bi-directional types with VRWM ≤10 V | 2 | ||
| Maximum reverse surge current | IPP | 27.78 | A | 10/1000us waveform (notes 5, Fig.3, derated per Fig.2) | 2 | ||
| Maximum clamping voltage | Vc | 14.4 | V | @ IPP | 2 | ||
| Working peak reverse voltage | VRWM | 8.5 | V | 2 | |||
| Peak power dissipation | PPPM | 400 | W | 10/1000us waveform (1)(2) (Fig.1) | 1 | ||
| Power dissipation | PD | 1 | W | on infinite heat sink at TL=75℃ | 1 | ||
| Operating junction and storage temperature range | TJ,TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal resistance, junction to lead | RθJL | 30 | ℃/W | junction to lead | 2 | ||
| Thermal resistance, junction to ambient | 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 |
|---|---|---|---|---|
| contacts | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
SMAJ8.5CA - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
smaj8-5ca-etched.step/smaj8-5ca-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj8-5ca.step/smaj8-5ca.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (7 pp, sha256
be70db267777f22a, 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).