component
RL0805A820K
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
markdownRL0805A820K
RUILON Shenzhen Ruilongyuan Elec · Varistors · 0805
RL0805A820K 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 1 of a bidirectional, symmetrical two-terminal chip (terminal width WB 0.50±0.25 mm); RL0805A820K has varistor voltage 72~90 V at 1 mA, max allowable 42 VAC / 60 VDC. |
| 2 | 2 | passive | Varistor terminal 2 of a bidirectional, symmetrical two-terminal chip (terminal width WB 0.50±0.25 mm); max clamping voltage 149 V at 50 A (8/20μs), operating temperature -55℃ to +125℃. |
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 | V1mA | 72 | 90 | V | 2 | ||
| Varistor voltage standard tolerance | -10 | 10 | % | Part-number code K: ±10% (standard tolerance) | 1 | ||
| Max. allowable voltage AC | VAC | 42 | V | 2 | |||
| Max. allowable voltage DC | VDC | 60 | V | 2 | |||
| Max. energy | 0.2 | J | 10/1000μs | 2 | |||
| Max. clamping voltage | VC | 149 | V | 8/20μs, IP 2 A | 2 | ||
| Withstanding surge current | I | 50 | A | 8/20μs | 2 | ||
| Response time | 1 | ns | 2 | ||||
| Varistor voltage change after bias humidity | -10 | 10 | % | 90%RH, 40ºC, Working Voltage, 1000 hrs | 2 | ||
| Varistor voltage change after thermal shock | -10 | 10 | % | -40ºC to 85ºC, 30 min cycle, 5 cycles | 2 | ||
| Varistor voltage change after full load | -10 | 10 | % | Working Voltage, 85ºC, 1000 hrs | 2 | ||
| Operating temperature range | -55 | 125 | °C | 1 | |||
| Storage temperature | 5 | 40 | °C | Storage; relative humidity to 65%; storage time 12 months max | 2 | ||
| Soldering gun temperature | 260 | °C | Soldering gun procedure: do not exceed 260°C | 3 |
CAD (KiCad official)
- Symbol:
RL0805A820K - Footprint:
Resistor_SMD:R_0805_2012Metric - 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files:
rl0805a820k-etched.step/rl0805a820k-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rl0805a820k.step/rl0805a820k.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 2026-10-18, 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).