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Contents

README

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B5819WS SOD-323

RUILON(Shenzhen Ruilongyuan Elec) · Schottky Diodes · SOD-323

B5819WS SOD-323 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: 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-323
Category Diodes
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
Reverse breakdown voltage V(BR) 40 V IR= 1mA 1
Reverse voltage leakage current IR 1 mA VR=40V B5819WS 1
Forward voltage VF 0.6 V B5819WS IF=1A 1
Forward voltage VF 0.9 V B5819WS IF=3A 1
Diode capacitance CD 120 pF VR=4V, f=1MHz 1
Non-repetitive peak reverse voltage VRM 40 V B5819WS 1
Peak repetitive reverse voltage VRRM 40 V B5819WS 1
Working peak reverse voltage VRWM 40 V B5819WS 1
DC blocking voltage VR 40 V B5819WS 1
RMS reverse voltage VR(RMS) 28 V B5819WS 1
Average rectified output current IO 1 A 1
Repetitive peak forward current IFRM 1.5 A 1
Non-repetitive peak forward surge current IFSM 9 A t=8.3ms 1
Power dissipation Pd 250 mW 1
Thermal resistance junction to ambient RθJA 400 ℃/W 1
Storage temperature TSTG -55 150 ℃ 1
Junction temperature TJ 125 ℃ 1

CAD (KiCad official)

  • Symbol: B5819WS SOD-323
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: b5819ws-sod-323-etched.step / b5819ws-sod-323-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); b5819ws-sod-323.step / b5819ws-sod-323.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 d203b11920dba371, retrieved 2026-10-27, 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