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RLSD52A031C

RUILON(Shenzhen Ruilongyuan Elec) · TVS · SOD-523

RLSD52A031C from RUILON(Shenzhen Ruilongyuan Elec), in a SOD-523. 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer RUILON(Shenzhen Ruilongyuan Elec)
Package SOD-523
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
Peak Pulse Power (tp=8/20μs) PPP 60 W tp=8/20μs, per line 1
ESD Voltage (Contact) VESD -25 25 kV Contact discharge, IEC61000-4-2 1
ESD Voltage (Air) VESD -25 25 kV Air discharge, IEC61000-4-2 1
Lead Soldering Temperature TL 260 °C 10 sec. 1
Operating Temperature Range TOP -55 150 °C 1
Storage Temperature TSTG -55 155 °C 1
Minimum Breakdown Voltage VBR 4 V @1mA 1
Peak Pulse Voltage (clamping, 4.5A column) VC 15 V @4.5A 1
Peak Pulse Voltage (clamping, @IPP column) VC 16 V @IPP 1
Reverse Leakage Current IR 1 μA @VRWM 1
Reverse Stand-Off Voltage VRWM 3.3 V Working peak reverse voltage 1
Typical Capacitance CJ 9.6 pF DC=0V, @1 MHz 1

CAD (KiCad official)

  • Symbol: RLSD52A031C
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: rlsd52a031c-etched.step / rlsd52a031c-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rlsd52a031c.step / rlsd52a031c.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: RUILON(Shenzhen Ruilongyuan Elec) datasheet (3 pp, sha256 aab9c30ea1d48c57, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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