component
SMD300XM
Public Made by Adomby adom
SURGING Gas Discharge Tube Arresters (GDT), 1812. Datasheet-verified pinout, 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
markdownSMD300XM
SURGING · Gas Discharge Tube Arresters (GDT) · 1812
SMD300XM from SURGING, in a 1812. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | A1 | passive | GDT electrode 1; DC spark-over voltage 300 V (210-390 V), max impulse spark-over 800 V, nominal impulse discharge current 2000 A (8/20 µs), max capacitance 0.5 pF. |
| 2 | A2 | passive | GDT electrode 2 (symmetric with A1); DC spark-over voltage 300 V (210-390 V), max impulse spark-over 800 V, nominal impulse discharge current 2000 A (8/20 µs), max capacitance 0.5 pF. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SURGING |
| Package | 1812 |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
SMD300XM - Footprint:
Resistor_SMD:R_1812_4532Metric - 3D model: 1812 (KiCad packages3D, STEP)
- 3D model files:
smd300xm-etched.step/smd300xm-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smd300xm.step/smd300xm.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: SURGING datasheet (5 pp, sha256
3b28909cb836032e, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-sonnet-4-6(text+vision), consensusclaude-opus-4-7(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).