component
SMAJ13A-TR
Public Made by Adomby adom
STMicroelectronics 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
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSMAJ13A-TR
STMicroelectronics · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)
SMAJ13A-TR from STMicroelectronics, 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 | STMicroelectronics |
| 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 leakage current at stand-off voltage, 25 °C | IRM | 0.2 | µA | @ VRM, 25 °C | 3 | ||
| Reverse leakage current at stand-off voltage, 85 °C | IRM | 1 | µA | @ VRM, 85 °C | 3 | ||
| Breakdown voltage, min | VBR | 14.4 | V | @ IR = 1 mA; pulse test tp < 50 ms | 3 | ||
| Breakdown voltage, max | VBR | 15.2 | V | @ IR = 1 mA; pulse test tp < 50 ms | 3 | ||
| Clamping voltage, 10/1000 µs surge | VCL | 21.5 | V | 10/1000 µs, IPP = 18.6 A | 3 | ||
| Dynamic resistance, 10/1000 µs surge | RD | 0.298 | Ω | 10/1000 µs | 3 | ||
| Clamping voltage, 8/20 µs surge | VCL | 27.2 | V | 8/20 µs, IPP = 85 A | 3 | ||
| Dynamic resistance, 8/20 µs surge | RD | 0.132 | Ω | 8/20 µs | 3 | ||
| Peak pulse power dissipation | PPP | 400 | W | Tj initial = Tamb; 10/1000 µs; diode fails short-circuit above max | 2 | ||
| Storage temperature range, min | Tstg | -65 | °C | 2 | |||
| Storage temperature range, max | Tstg | 150 | °C | 2 | |||
| Operating junction temperature range, min | Tj | -55 | °C | 2 | |||
| Operating junction temperature range, max | Tj | 150 | °C | 2 | |||
| Maximum lead temperature for soldering | TL | 260 | °C | during 10 s | 2 | ||
| Thermal resistance, junction to leads | Rth(j-l) | 30 | °C/W | junction to leads | 2 | ||
| Thermal resistance, junction to ambient | Rth(j-a) | 120 | °C/W | junction to ambient on printed circuit on recommended pad layout | 2 |
CAD (KiCad official)
- Symbol:
SMAJ13A-TR - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj13a-tr-etched.step/smaj13a-tr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj13a-tr.step/smaj13a-tr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (10 pp, sha256
4bb181453198810d, 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).