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RL0603A8R0K

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RUILON Shenzhen Ruilongyuan Elec Varistors, 0603. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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RL0603A8R0K

RUILON Shenzhen Ruilongyuan Elec · Varistors · 0603

RL0603A8R0K from RUILON Shenzhen Ruilongyuan Elec, in a 0603. 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 of the bidirectional, symmetrical varistor (6.7~10.1 V varistor voltage at 1 mA, 5.6 VDC / 4 VAC max allowable voltage); interchangeable with the other terminal.
2 2 passive Terminal of the bidirectional, symmetrical varistor (max clamping 22.2 V at 20 A 8/20 µs, 0.1 J max energy 10/1000 µs); interchangeable with the other terminal.

Key specifications

Parameter Value
Manufacturer RUILON Shenzhen Ruilongyuan Elec
Package 0603
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 6.7 10.1 V 2
Varistor voltage tolerance (code K) -10 10 % 1
Max. allowable voltage AC VAC 4 V 2
Max. allowable voltage DC VDC 5.6 V 2
Max. energy 0.1 J 10/1000µs 2
Max. clamping voltage VC 22.2 V 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 to85ºC,30min.cycle,5 cycles 2
Varistor voltage change, full load voltage VV/VV -10 10 % Working Voltage,85ºC,1000 hrs 2
Operating temperature range -55 125 °C 1
Storage temperature 5 40 °C 2
Storage relative humidity 65 % 2
Storage time 12 months 12 Months max 2
Soldering gun tip temperature 280 °C Soldering gun under 30 W, within 3 s 3
Heat shock temperature during soldering 100 °C 3
Preheat temperature (TS) TS 150 200 °C Pb-free assembly 3
Preheat time (ts) ts 60 180 s Pb-free assembly 3
Average ramp-up rate (TS(max) to TL) 3 °C/s Pb-free assembly 3
Time above liquidus (tL) tL 60 150 s Pb-free assembly 3
Time within 5°C of actual peak temperature (tp) tp 20 40 s Pb-free assembly 3
Ramp-down rate 6 °C/s Pb-free assembly 3
Time 25°C to peak temperature 8 min Pb-free assembly 3
Liquidus temperature (TL) TL 217 °C Pb-free assembly 3

CAD (KiCad official)

  • Symbol: RL0603A8R0K
  • Footprint: Resistor_SMD:R_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: rl0603a8r0k-etched.step / rl0603a8r0k-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rl0603a8r0k.step / rl0603a8r0k.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 57dffee942a9641e, retrieved 2026-10-18, 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