component
SMAJ17A
Public Made by Adomby adom
LGE TVS, 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
markdownSMAJ17A
LGE · TVS · SMA(DO-214AC)
SMAJ17A from LGE, 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 | LGE |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage (min) | VBR | 18.9 | V | @IT = 1 mA; SMAJ17A (uni, 5% tolerance, marking BR) | 2 | ||
| Breakdown Voltage (max) | VBR | 20.9 | V | @IT = 1 mA; SMAJ17A (uni, 5% tolerance, marking BR) | 2 | ||
| Maximum Reverse Leakage | IR | 1 | uA | @VRWM = 17.0 V | 2 | ||
| Maximum Clamping Voltage | VC | 27.6 | V | @IPP = 14.49 A | 2 | ||
| Maximum Reverse Surge Current | IPP | 14.49 | A | 2 | |||
| Peak Pulse Power dissipation | PPP | 400 | W | 10/1000 µs waveform (non-repetitive, note 1) | 1 | ||
| Peak forward surge current | IFSM | 40 | A | 8.3 ms single half sine-wave, unidirectional only (note 2) | 1 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | at 25 A, unidirectional only; applies to devices with VBR < 200 V (note 3) | 1 | ||
| Power dissipation on infinite heatsink | PD | 1 | W | at TL = 75 °C | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
SMAJ17A - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj17a-etched.step/smaj17a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj17a.step/smaj17a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LGE datasheet (4 pp, sha256
05508042bd2e6779, 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).