SMAJ7.0CA-AT
Public Made by Adomby adom
Brightking ESD And Surge Protection (TVS/ESD), SMA(DO-214AC). 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
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗PCB Footprint
Open full view ↗Datasheet
Open in new tab ↗Contents
README
markdownSMAJ7.0CA-AT
Brightking · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)
SMAJ7.0CA-AT from Brightking, in a SMA(DO-214AC). 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 | Brightking |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse stand-off voltage (bidirectional SMAJ7.0CA-AT) | VRWM | 7 | V | 2 | |||
| Breakdown voltage (bidirectional) | VBR | 7.78 | 8.6 | V | IT = 10 mA | 2 | |
| Maximum clamping voltage (bidirectional) | VC | 12 | V | IPP = 33.3 A | 2 | ||
| Peak pulse current (bidirectional) | IPP | 33.3 | A | 2 | |||
| Reverse leakage current (bidirectional) | IR | 200 | µA | @VRWM | 2 | ||
| Peak pulse power dissipation | PPPM | 400 | W | 10/1000µs waveform (Note 1, Note 2, Fig.1) | 1 | ||
| Steady state power dissipation | PM(AV) | 3.3 | W | TA=50℃ (Fig.5) | 1 | ||
| Peak forward surge current | IFSM | 40 | A | 8.3 ms single half sine-wave, superimposed on rated load (JEDEC Method) (Note 3, Fig.6) | 1 | ||
| Operating junction and storage temperature range | TJ,TSTG | -55 | 150 | ℃ | 1 | ||
| Typical thermal resistance junction to lead | RθJL | 30 | ℃/W | 1 | |||
| Typical thermal resistance junction to ambient | RθJA | 120 | ℃/W | 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 5.0mm×5.0mm (0.03mm thick) copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMAJ7.0CA-AT - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj7-0ca-at-etched.step/smaj7-0ca-at-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj7-0ca-at.step/smaj7-0ca-at.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Brightking datasheet (6 pp, sha256
b89bf590a7f5b511, 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).