component
CDBM140-HF
Public Made by Adomby adom
Comchip Schottky Barrier Diodes (SBD), SOD-123. Diode: pin 1 is the cathode (the banded end) by the KiCad diode-footprint 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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README
markdownCDBM140-HF
Comchip · Schottky Barrier Diodes (SBD) · SOD-123
CDBM140-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 |
|---|---|---|---|---|---|---|---|
| Repetitive peak reverse voltage | VRRM | 40 | V | 1 | |||
| Maximum RMS voltage | VRMS | 28 | V | 1 | |||
| Continuous reverse voltage | VR | 40 | V | 1 | |||
| Forward rectified current | IO | 1 | A | 1 | |||
| Forward surge current | IFSM | 30 | A | 8.3ms half sine wave superimposed on rated load (JEDEC method) | 1 | ||
| Maximum forward voltage | VF | 0.5 | V | @IF=1.0A | 1 | ||
| Reverse current | IR | 0.5 | mA | VR=VRRM @TA=25°C | 1 | ||
| Reverse current | IR | 10 | mA | VR=VRRM @TA=100°C | 1 | ||
| Typical diode junction capacitance | CJ | 120 | pF | f=1MHz, applied 4V DC reverse voltage (Note 1) | 1 | ||
| Operating junction temperature range | TJ | -55 | 125 | °C | 1 | ||
| Storage temperature range | TSTG | -65 | 175 | °C | 1 |
CAD (KiCad official)
- Symbol:
CDBM140-HF - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
cdbm140-hf-etched.step/cdbm140-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cdbm140-hf.step/cdbm140-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Comchip datasheet (4 pp, sha256
00a03c8d78fa15e7, 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).