component
MBR0540W
Public Made by Adomby adom
ST(Semtech) Schottky Diodes, SOD-123FL. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMBR0540W
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mbr0540w.step/mbr0540w.glbare 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, primaryclaude-sonnet-5-5(text), consensusclaude-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).