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MBR0540W

Public Made by Adom

by adom

ST(Semtech) Schottky Diodes, SOD-123FL. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MBR0540W

ST(Semtech) · Schottky Diodes · SOD-123FL

MBR0540W from ST(Semtech), in a SOD-123FL. 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 diode (VR = 40 V max, IF(AV) = 0.5 A).
2 Anode passive Anode of the Schottky diode (VRRM = 40 V, IFSM = 20 A).

Key specifications

Parameter Value
Manufacturer ST(Semtech)
Package SOD-123FL
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 0.51 V IF = 0.5 A 1
Forward Voltage VF 0.62 V IF = 1 A 1
Forward Voltage VF 0.46 V IF = 0.5 A, Ta = 100℃ 1
Forward Voltage VF 0.61 V IF = 1 A, Ta = 100℃ 1
Reverse Current IR 10 µA VR = 20 V 1
Reverse Current IR 20 µA VR = 40 V 1
Reverse Current IR 5 mA VR = 20 V, Ta = 100℃ 1
Reverse Current IR 13 mA VR = 40 V, Ta = 100℃ 1
Peak Repetitive Reverse Voltage VRRM 40 V Ta = 25℃ 1
Reverse Voltage VR 40 V Ta = 25℃ 1
Average Rectified Forward Current IF(AV) 0.5 A Ta = 25℃ 1
Peak Forward Surge Current IFSM 20 A 8.3 ms Single Half Sine-wave 1
Operating Junction Temperature Range Tj -65 150 ℃ 1
Storage Temperature Range Tstg -65 150 ℃ 1
Thermal Resistance Junction to Lead RθJL 118 ℃/W Device mounted on FR-4 PCB 0.013 mm 1
Thermal Resistance Junction to Ambient RθJA 206 ℃/W 1 inch pad size (1 X 0.5 inch for each lead) on FR4 board 1

CAD (KiCad official)

  • Symbol: MBR0540W
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: mbr0540w-etched.step / mbr0540w-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mbr0540w.step / mbr0540w.glb are the bare package body.

Provenance

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

  • Datasheet: ST(Semtech) datasheet (3 pp, sha256 fd03257d7d01551f, 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