component
RL0805A300K
Public Made by Adomby adom
RUILON Shenzhen Ruilongyuan Elec Varistors, 0805. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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
markdownRL0805A300K
RUILON Shenzhen Ruilongyuan Elec · Varistors · 0805
RL0805A300K 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 | 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 | 0805 |
| 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) for RL0805A300K | V1mA | 28.8 | 36 | V | 2 | ||
| Varistor voltage tolerance (suffix K) | -10 | 10 | % | K: ±10% (part-numbering table) | 1 | ||
| Max. allowable voltage AC | VAC | 18 | V | 2 | |||
| Max. allowable voltage DC | VDC | 24 | V | 2 | |||
| Max. energy | 0.2 | J | 10/1000μs | 2 | |||
| Max. clamping voltage peak current | IP | 2 | A | 8/20μs | 2 | ||
| Withstanding surge current | I | 50 | A | 8/20μs | 2 | ||
| Operating temperature range | -55 | 125 | ºC | 1 | |||
| Storage temperature range | 5 | 40 | ºC | storage | 2 | ||
| Storage relative humidity | 65 | % | storage | 2 | |||
| Storage time | 12 | months | storage | 2 | |||
| Response time | 1 | ns | 2 | ||||
| Varistor voltage change, bias humidity | V1mA/V1mA | -10 | 10 | % | 90%RH, 40ºC, Working Voltage, 1000 hrs | 2 | |
| Varistor voltage change, thermal shock | V1mA/V1mA | -10 | 10 | % | -40ºC to 85ºC, 30min cycle, 5 cycles | 2 | |
| Varistor voltage change, full load voltage | V1mA/V1mA | -10 | 10 | % | Working Voltage, 85ºC, 1000 hrs | 2 | |
| Heat shock limit during soldering | 100 | ºC | Do not exceed during soldering process | 3 | |||
| Reflow peak temperature (Pb-free) | TP | 260 | ºC | Pb-free reflow, printed as 260 +0/-5°C | 3 | ||
| Time 25°C to peak temperature (Pb-free) | 8 | min | Pb-free reflow | 3 | |||
| Clamping voltage | VC | 79 | V | 8/20μs | 2 |
CAD (KiCad official)
- Symbol:
RL0805A300K - Footprint:
Resistor_SMD:R_0805_2012Metric - 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files:
rl0805a300k-etched.step/rl0805a300k-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rl0805a300k.step/rl0805a300k.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
8ce6365d8f0750ed, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).