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Contents

README

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LRB751S-40T1G

LRC · Schottky Barrier Diodes (SBD) · SOD-523

LRB751S-40T1G from LRC, 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 CATHODE passive Cathode of the Schottky barrier diode; DC reverse voltage VR max 30 V (peak reverse 40 V), reverse current 0.5 µA at VR=30 V.
2 ANODE passive Anode of the Schottky barrier diode; mean rectifying current IO 30 mA, peak forward surge current IFSM 200 mA, forward voltage 0.37 V at IF=1 mA.

Key specifications

Parameter Value
Manufacturer LRC
Package SOD-523
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
Forward voltage VF 0.37 V IF=1mA 1
Reverse current IR 0.5 µA VR=30V 1
Peak reverse voltage VRM 40 V TA = 25°C 1
DC reverse voltage VR 30 V TA = 25°C 1
Mean rectifying current IO 30 mA TA = 25°C 1
Peak forward surge current IFSM 200 mA TA = 25°C 1
Junction temperature Tj 125 °C TA = 25°C 1
Storage temperature Tstg -40 125 °C TA = 25°C 1
Capacitance between terminals CT 2 pF VR=1V,f=1MHz 1

CAD (KiCad official)

  • Symbol: LRB751S-40T1G
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: lrb751s-40t1g-etched.step / lrb751s-40t1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lrb751s-40t1g.step / lrb751s-40t1g.glb are the bare package body.

Provenance

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

  • Datasheet: LRC datasheet (3 pp, sha256 8ca925122c49d2b0, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-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