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RL0805A8R0K

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RUILON Shenzhen Ruilongyuan Elec Varistors, 0805. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RL0805A8R0K

RUILON Shenzhen Ruilongyuan Elec · Varistors · 0805

RL0805A8R0K 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 One end terminal of the bidirectional, symmetrical varistor (interchangeable with the other terminal); RL0805A8R0K is rated 4 VAC / 5.6 VDC max, 6.7~10.1 V varistor voltage at 1 mA, and 22 V max clamping at 50 A (8/20μs).
2 2 passive Other end terminal of the bidirectional, symmetrical varistor (interchangeable with the other terminal); RL0805A8R0K is rated 4 VAC / 5.6 VDC max, 6.7~10.1 V varistor voltage at 1 mA, and 22 V max clamping at 50 A (8/20μs).

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) range V1mA 6.7 10.1 V V1mA 2
Varistor voltage nominal (part code 8R0) V1mA 8 V Nominal decoded from MPN code 8R0 per datasheet part-number coding (e.g. 180 = 18V) 1
Varistor voltage tolerance -10 10 % Tolerance code K = ±10% 1
Max allowable AC voltage VAC 4 V 2
Max allowable DC voltage VDC 5.6 V 2
Max energy 0.15 J 10/1000μs 2
Max clamping voltage VC 22 V IP = 2 A, 8/20μs 2
Peak pulse current IP 2 A 8/20μs, paired with VC 22 V 2
Withstanding surge current I 50 A 8/20μs 2
Response time 1 ns 2
Varistor voltage change, bias humidity VV/VV -10 10 % 90%RH, 40ºC, working voltage, 1000 hrs 2
Varistor voltage change, thermal shock VV/VV -10 10 % -40ºC to 85ºC, 30 min cycle, 5 cycles 2
Varistor voltage change, full load VV/VV -10 10 % Working voltage, 85ºC, 1000 hrs 2
Operating temperature range -55 125 ℃ 1
Storage temperature range 5 40 ℃ Storage; relative humidity up to 65%; storage time 12 months max 3
Reflow peak temperature TP 260 °C Pb-free reflow, 260 +0/-5°C 3
Soldering gun tip temperature 280 °C Within 3 s, soldering gun under 30 W 3

CAD (KiCad official)

  • Symbol: RL0805A8R0K
  • Footprint: Resistor_SMD:R_0805_2012Metric
  • 3D model: 0805 (KiCad packages3D, STEP)
  • 3D model files: rl0805a8r0k-etched.step / rl0805a8r0k-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rl0805a8r0k.step / rl0805a8r0k.glb are 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 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-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).

Datasheet PDF