component
SMAJ30CAQ
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech ESD And Surge Protection (TVS/ESD), DO-214AC(SMA). Pinout cross-checked by two models against the datasheet, 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
markdownSMAJ30CAQ
Yangzhou Yangjie Elec Tech · ESD And Surge Protection (TVS/ESD) · DO-214AC(SMA)
SMAJ30CAQ 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 | A1 | passive | Bi-directional TVS terminal with no polarity marking, interchangeable with the other terminal; SMAJ30CAQ has VRWM 30.0 V, VBR 33.3-36.8 V at 1 mA and maximum clamping voltage 48.4 V at 8.3 A IPP. |
| 2 | A2 | passive | Bi-directional TVS terminal with no polarity marking, interchangeable with the other terminal; 400 W peak pulse power with a 10/1000 µs waveform and maximum reverse leakage 1 µA at VRWM. |
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 |
|---|---|---|---|---|---|---|---|
| Peak power dissipation | PPPM | 400 | W | 10/1000us waveform | 1 | ||
| Power dissipation | PD | 1.25 | W | Ta=25℃ | 1 | ||
| Operating junction temperature range | TJ | -55 | 175 | ℃ | 1 | ||
| Storage temperature range | TSTG | -55 | 175 | ℃ | 1 | ||
| Breakdown voltage | VBR | 33.3 | V | @ IT = 1 mA (test current column IT 1 mA) | 2 | ||
| Breakdown voltage | VBR | 36.8 | V | @ IT = 1 mA (test current column IT 1 mA) | 2 | ||
| Maximum reverse leakage current | IR | 1 | μA | @ VRWM = 30.0 V | 2 | ||
| Working peak reverse voltage | VRWM | 30 | V | 2 | |||
| Maximum reverse surge current | IPP | 8.3 | A | 2 | |||
| Maximum clamping voltage | VC | 48.4 | V | @ IPP | 2 | ||
| Thermal resistance, junction to lead | RθJL | 30 | ℃/W | junction to lead | 3 | ||
| Thermal resistance, junction to ambient | RθJA | 120 | ℃/W | junction to ambient | 3 |
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 | 3 | |
| contacts | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
SMAJ30CAQ - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
smaj30caq-etched.step/smaj30caq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj30caq.step/smaj30caq.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (6 pp, sha256
74da59e2014c8eb0, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).