component
ACDBA140-HF
Public Made by Adomby adom
Comchip Schottky Barrier Diodes (SBD), DO-214AC. 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
markdownACDBA140-HF
Comchip · Schottky Barrier Diodes (SBD) · DO-214AC
ACDBA140-HF from Comchip, in a DO-214AC. 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 | DO-214AC |
| 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 | |||
| DC blocking voltage | VDC | 40 | V | 1 | |||
| RMS voltage | VRMS | 28 | V | 1 | |||
| 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 (JEDEC method) | 1 | ||
| Operating temperature range | TJ | -55 | 125 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 | ||
| Instantaneous forward voltage | VF | 0.5 | V | IF = 1A, TA=25°C | 1 | ||
| Reverse current | IR | 0.5 | mA | VR = VRRM, TA=25°C | 1 | ||
| Reverse current | IR | 15 | mA | VR = VRRM, TA=100°C | 1 | ||
| Junction capacitance | CJ | 65 | pF | f=1MHZ and applied 4V DC reverse voltage | 1 | ||
| Thermal resistance junction to case | RθJC | 40 | °C | 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:
ACDBA140-HF - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC (KiCad packages3D, STEP)
- 3D model files:
acdba140-hf-etched.step/acdba140-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);acdba140-hf.step/acdba140-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Comchip datasheet (4 pp, sha256
781bae92340411eb, retrieved 2026-10-22, 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).