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RLSD32A031V

RUILON Shenzhen Ruilongyuan Elec · ESD And Surge Protection (TVS/ESD) · SOD-323

RLSD32A031V from RUILON Shenzhen Ruilongyuan Elec, in a SOD-323. 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 (marked-band end) of the unidirectional TVS diode, connected to the protected I/O or power line, with 3.3V reverse stand-off voltage (VRWM) for RLSD32A031V.
2 A passive Anode of the unidirectional TVS diode, connected to ground/reference, protecting one line up to 300W peak pulse power (8/20μs).

Key specifications

Parameter Value
Manufacturer RUILON Shenzhen Ruilongyuan Elec
Package SOD-323
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
Minimum breakdown voltage VBR 5 V @1mA 2
Clamping voltage at 1 A (max) VC 7.8 V @1A 2
Peak pulse clamping voltage at IPP (max) VC 15 V @IPP, 8/20μs 2
Maximum reverse peak pulse current Ipp 20 A 8/20μs 2
Maximum reverse leakage current IR 1 μA @VRWM 2
Typical capacitance CJ 195 pF DC=0V, @1 MHz 2
Reverse stand-off voltage (working peak reverse voltage) VRWM 3.3 V 2
Peak pulse power PPK 300 W tp=8/20μs 1
ESD voltage (contact) VESD -8 8 kV Contact, printed ±8 kV 1
ESD voltage (air) VESD -15 15 kV Air, printed ±15 kV 1
Lead soldering temperature TL 260 °C 10 sec 1
Operating temperature TJ -55 150 °C 1
Storage temperature TSTG -55 150 °C 1

CAD (KiCad official)

  • Symbol: RLSD32A031V
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: rlsd32a031v-etched.step / rlsd32a031v-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rlsd32a031v.step / rlsd32a031v.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 2712e3fbf82aff47, retrieved 2026-10-23, 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