component
RL0402E018M300K
Public Made by Adomby adom
RUILON Shenzhen Ruilongyuan Elec Varistors, 0402. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownRL0402E018M300K
RUILON Shenzhen Ruilongyuan Elec · Varistors · 0402
RL0402E018M300K from RUILON Shenzhen Ruilongyuan Elec, in a 0402. 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 | Terminal 1 | passive | Electrode L2 of the non-polar varistor ESD suppressor, connected to the protected line, with 18 V max operating voltage (VDC) and 50 V clamping voltage. |
| 2 | Terminal 2 | passive | Electrode L3 of the non-polar varistor ESD suppressor, connected to ground or the return reference, with 3 pF capacitance at 1 MHz and 10 uA max leakage current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | RUILON Shenzhen Ruilongyuan Elec |
| Package | 0402 |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
RL0402E018M300K - Footprint:
Resistor_SMD:R_0402_1005Metric - 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files:
rl0402e018m300k-etched.step/rl0402e018m300k-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rl0402e018m300k.step/rl0402e018m300k.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RUILON Shenzhen Ruilongyuan Elec datasheet (6 pp, sha256
9d9b1a1c2c21ead7, 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).