component
ACDBMS140-HF
Public Made by Adomby adom
Comchip Schottky Barrier Diodes (SBD), SOD-123. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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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Contents
README
markdownACDBMS140-HF
Comchip · Schottky Barrier Diodes (SBD) · SOD-123
ACDBMS140-HF from Comchip, 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/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Comchip |
| 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 |
|---|---|---|---|---|---|---|---|
| Max. repetitive peak reverse voltage | VRRM | 40 | V | 1 | |||
| Max. RMS voltage | VRMS | 28 | V | 1 | |||
| Max. DC blocking voltage | VDC | 40 | V | 1 | |||
| Max. average forward rectified current | IF | 1 | A | 1 | |||
| Peak forward surge current | IFSM | 30 | A | 8.3ms single half sine-wave superimposed on rated load | 1 | ||
| Max. instantaneous forward voltage | VF | 0.52 | V | IF=1A @ 25°C | 1 | ||
| Max. DC reverse current | IR | 0.5 | mA | @TA=25°C, at rated DC blocking voltage | 1 | ||
| Max. DC reverse current | IR | 20 | mA | @TA=100°C, at rated DC blocking voltage | 1 | ||
| Typical junction capacitance | CJ | 60 | pF | Measured at 1.0MHz, applied reverse voltage of 4V DC (Note 1) | 1 | ||
| Operating temperature range | TJ | -50 | 125 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 | ||
| Typical thermal resistance | RθJC | 45 | °C/W | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | - Terminals: Lead Free Plating (Tin Finish) solderable per MIL-STD-202, method 208. | 1 |
CAD (KiCad official)
- Symbol:
ACDBMS140-HF - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
acdbms140-hf-etched.step/acdbms140-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);acdbms140-hf.step/acdbms140-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Comchip datasheet (4 pp, sha256
295dbedd5fc9ffdf, retrieved 2026-10-28, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).