component
RL1812A271K
Public Made by Adomby adom
RUILON Shenzhen Ruilongyuan Elec Varistors, 1812. 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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README
markdownRL1812A271K
RUILON Shenzhen Ruilongyuan Elec · Varistors · 1812
RL1812A271K from RUILON Shenzhen Ruilongyuan Elec, in a 1812. 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 | 1 | passive | First terminal of the bidirectional, symmetrical varistor; RL1812A271K is rated 243~297 V varistor voltage at 1 mA, 175 Vac / 225 Vdc max allowable voltage, and 475 V max clamping at 400 A (8/20μs). |
| 2 | 2 | passive | Second terminal of the bidirectional, symmetrical varistor, interchangeable with the first; max energy 2.3 J (10/1000μs) and 10 A peak current rating (IP) per the electrical table. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | RUILON Shenzhen Ruilongyuan Elec |
| Package | 1812 |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
RL1812A271K - Footprint:
Resistor_SMD:R_1812_4532Metric - 3D model: 1812 (KiCad packages3D, STEP)
- 3D model files:
rl1812a271k-etched.step/rl1812a271k-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rl1812a271k.step/rl1812a271k.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RUILON Shenzhen Ruilongyuan Elec datasheet (5 pp, sha256
61703208a13c9353, retrieved 2026-10-09, 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).