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KB5819W

Public Made by Adom

by adom

KUU Schottky Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 9d ago
viewers kb5819w: viewers · Ray 9d ago
kb5819w-etched.glb Publish 0.1.0 · Ray 9d ago
kb5819w-etched.step kb5819w: factory component page (tier=lcsc) · Ray 9d ago
kb5819w-hero.glb kb5819w: hero GLB from the etched model (keeps the MPN mark) · Ray 9d ago
kb5819w-hero.overlay.json Publish 0.1.0 · Ray 9d ago
kb5819w.glb Publish 0.1.0 · Ray 9d ago
kb5819w.kicad_mod Publish 0.1.0 · Ray 9d ago
kb5819w.kicad_sym Publish 0.1.0 · Ray 9d ago
kb5819w.lbr Publish 0.1.0 · Ray 9d ago
kb5819w.step Publish 0.1.0 · Ray 9d ago
package.json Publish 0.1.0 · Ray 9d ago
page.json Set visibility: public · Ray 9d ago
README.md Publish 0.1.0 · Ray 9d ago

KB5819W

KUU · Schottky Diodes · SOD-123

KB5819W from KUU, in a SOD-123. 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 end marked '-' in the package drawing; KB5819W is rated 40 V VRRM/VR, 1 A average rectified output current.
2 A passive Anode, marked '+' in the package drawing; forward voltage max 0.6 V at IF=1A and 0.9 V at IF=3A for KB5819W.

Key specifications

Parameter Value
Manufacturer KUU
Package SOD-123
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 KB5819W 1
Forward voltage VF 0.6 V KB5819W IF=1A 1
Forward voltage VF 0.9 V KB5819W IF=3A 1
Non-Repetitive Peak Reverse Voltage VRM 40 V 1
Peak Repetitive Reverse Voltage VRRM 40 V 1
Working Peak Reverse Voltage VRWM 40 V 1
DC Blocking Voltage VR 40 V 1
RMS Reverse Voltage VR(RMS) 28 V 1
Average Rectified Output Current IO 1 A 1
Peak Forward Surge Current IFSM 25 A t=8.3ms 1
Repetitive Peak Forward Current IFRM 1.5 A 1
Power Dissipation Pd 500 mW 1
Thermal Resistance Junction to Ambient RθJA 250 ℃/W 1
Storage Temperature TSTG -55 150 ℃ 1

CAD (KiCad official)

  • Symbol: KB5819W
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: kb5819w-etched.step / kb5819w-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); kb5819w.step / kb5819w.glb are the bare package body.

Provenance

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

  • Datasheet: KUU datasheet (3 pp, sha256 e802623f557507f4, 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