component
RL0402E012M300K
Public Unreviewedby Ray
RUILON Shenzhen Ruilongyuan Elec Varistors, 0402. 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
markdownRL0402E012M300K
RUILON Shenzhen Ruilongyuan Elec · Varistors · 0402
RL0402E012M300K from RUILON Shenzhen Ruilongyuan Elec, in a 0402. 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 | A | passive | Terminal electrode 1 of the metal oxide varistor. Bidirectional/symmetric: the two terminals are electrically interchangeable. Connect between the protected line and the reference (typically ground) to clamp ESD/transients above the ~200 V trigger voltage down to ~50 V. |
| 2 | B | passive | Terminal electrode 2 of the metal oxide varistor. Bidirectional/symmetric: identical function to terminal 1. Typically routed to the signal line (or ground) opposite terminal 1 for shunt ESD protection. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | RUILON Shenzhen Ruilongyuan Elec |
| Package | 0402 |
| Category | Circuit Protection |
| Pins | 2 |
Ordering variants
Same part, different packaging or reel option.
RL0402E012M300K
CAD (KiCad official)
- Symbol:
RL0402E012M300K - Footprint:
Resistor_SMD:R_0402_1005Metric - 3D model: 0402 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RUILON Shenzhen Ruilongyuan Elec datasheet (7 pp, sha256
4986f3f7e248068a, retrieved 2026-08-17, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).