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RL0603A330K

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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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RL0603A330K

RUILON Shenzhen Ruilongyuan Elec · Varistors · 0603

RL0603A330K 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 Bidirectional, symmetrical varistor terminal (interchangeable with the other terminal) with 31.2~39 V varistor voltage at 1 mA, 20 VAC / 26 VDC maximum allowable voltage and 85 V maximum clamping at 8/20 µs.
2 2 passive Bidirectional, symmetrical varistor terminal (interchangeable with the other terminal) with 31.2~39 V varistor voltage at 1 mA, 20 VAC / 26 VDC maximum allowable voltage and 30 A withstanding surge current at 8/20 µs.

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 (RL0603A330K: 31.2~39 V) V1mA 31.2 39 V 2
Varistor voltage tolerance (part-number code K) -10 10 % Varistor voltage tolerance code K (K: ±10%) 1
Max. Allowable Voltage AC 20 V 2
Max. Allowable Voltage VDC VDC 26 V 2
Max. Energy (10/1000μs) 0.1 J 10/1000μs 2
Max. peak current (8/20μs) column IP IP 1 A 8/20μs 2
Max. Clamping Voltage (8/20μs) VC 85 V 8/20μs 2
Withstanding Surge Current (8/20μs) I 30 A 8/20μs 2
Bias Humidity: change of varistor voltage -10 10 % 90%RH, 40ºC, Working Voltage, 1000 hrs 2
Thermal Shock: change of varistor voltage -10 10 % -40ºC to 85ºC, 30min cycle, 5 cycles 2
Full Load Voltage: change of varistor voltage -10 10 % Working Voltage, 85ºC, 1000 hrs 2
Operating temperature range -55 125 ℃ 1
Operating voltage 3.3 33 V Stated for the series in Features; this variant's max VDC is 26 V 1
Response time 1 ns <1ns 2
Storage temperature 5 40 ºC Storage (General Technical Data) 2
Storage relative humidity 65 % Storage 2
Storage time 12 months Storage, 12 Months max 2
Reflow Temperature Max (Ts) TS(max) 200 °C Pb-free assembly, preheat 3
Reflow Temperature Min (Ts) TS(min) 150 °C Pb-free assembly, preheat 3
Preheat time (ts) ts 60 180 s Pb-free assembly, Ts(min) to Ts(max) 3
Time above liquidus (tL) tL 60 150 s Pb-free assembly 3
Time within 5°C of peak (tp) tp 20 40 s Pb-free assembly 3
Ramp-up rate (25°C to peak) 3 °C/s Pb-free assembly, to liquidus 3
Ramp-down rate 6 °C/s Pb-free assembly 3
Time 25°C to peak temperature 8 min Pb-free assembly 3
Soldering gun tip temperature 280 °C Soldering gun under 30W, contact period within 3 seconds 3
Peak temperature (TP) TP 260 °C Pb-free assembly, printed as 260 +0/-5°C 3
Liquidus temperature (TL) TL 217 °C Pb-free assembly 3

CAD (KiCad official)

  • Symbol: RL0603A330K
  • Footprint: Resistor_SMD:R_0603_1608Metric
  • 3D model: 0603 (KiCad packages3D, STEP)
  • 3D model files: rl0603a330k-etched.step / rl0603a330k-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rl0603a330k.step / rl0603a330k.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 2026-10-19, 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