component

RL1812A101K

Public Made by Adom

by adom

RUILON Shenzhen Ruilongyuan Elec Varistors, 1812. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
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rl1812a101k-etched.step rl1812a101k: factory component page (tier=lcsc) · Ray 21d ago
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rl1812a101k.kicad_sym rl1812a101k: KiCad Device:Varistor symbol instead of a box (two-terminal passive) · Ray 11d ago
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RL1812A101K

RUILON Shenzhen Ruilongyuan Elec · Varistors · 1812

RL1812A101K 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 Terminal 1 of an unpolarised resistor; either orientation.
2 2 passive Terminal 2 of an unpolarised resistor; either orientation.

Key specifications

Parameter Value
Manufacturer RUILON Shenzhen Ruilongyuan Elec
Package 1812
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
Varistor voltage V1mA 103.5 126.5 V 2
Tolerance (K, standard) -10 10 % 1
Max. allowable voltage (AC) VAC 60 V 2
Max. allowable voltage (DC) VDC 85 V 2
Max. energy 1.8 J 10/1000μs 2
Max. clamping voltage VC 202 V 8/20μs, IP = 10 A 2
Withstanding surge current I 500 A 8/20μs 2
Varistor voltage change after bias humidity VV / VV -10 10 % 90%RH, 40ºC, working voltage, 1000 hrs 2
Varistor voltage change after thermal shock VV / VV -10 10 % -40ºC to 85ºC, 30 min cycle, 5 cycles 2
Varistor voltage change after full load VV / VV -10 10 % Working voltage, 85ºC, 1000 hrs 2
Response time 1 ns 2
Operating temperature range -55 125 ℃ 1
Storage temperature range 5 40 ºC Storage condition, relative humidity up to 65%, storage time 12 months max 2

CAD (KiCad official)

  • Symbol: RL1812A101K
  • Footprint: Resistor_SMD:R_1812_4532Metric
  • 3D model: 1812 (KiCad packages3D, STEP)
  • 3D model files: rl1812a101k-etched.step / rl1812a101k-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rl1812a101k.step / rl1812a101k.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: RUILON Shenzhen Ruilongyuan Elec datasheet (4 pp, sha256 4a1070b2e69bcfcd, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (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).

Datasheet PDF