component
RL0805A420K
Public Made by Adomby adom
RUILON Shenzhen Ruilongyuan Elec Varistors, 0805. 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
markdownRL0805A420K
RUILON Shenzhen Ruilongyuan Elec · Varistors · 0805
RL0805A420K from RUILON Shenzhen Ruilongyuan Elec, in a 0805. 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 | Varistor terminal; the device is bidirectional with symmetrical V/I characteristics, varistor voltage 36~45 V at 1 mA, max allowable 21 VAC / 30 VDC for RL0805A420K. |
| 2 | 2 | passive | Second interchangeable varistor terminal (end termination, WB 0.50±0.25 mm); max clamping voltage 86 V at 50 A (8/20μs) for RL0805A420K. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | RUILON Shenzhen Ruilongyuan Elec |
| Package | 0805 |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
RL0805A420K - Footprint:
Resistor_SMD:R_0805_2012Metric - 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files:
rl0805a420k-etched.step/rl0805a420k-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rl0805a420k.step/rl0805a420k.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: RUILON Shenzhen Ruilongyuan Elec datasheet (4 pp, sha256
bdb2791a3d6b9dbb, retrieved 2026-10-12, 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).