component
CDBC540-HF
Public Made by Adomby adom
Comchip Schottky Barrier Diodes (SBD), DO-214AB(SMC). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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CDBC540-HF
Comchip · Schottky Barrier Diodes (SBD) · DO-214AB(SMC)
CDBC540-HF from Comchip, in a DO-214AB(SMC). 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-214AB(SMC) |
| 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. DC blocking voltage | VDC | 40 | V | 1 | |||
| Max. RMS voltage | VRMS | 28 | V | 1 | |||
| Max. instantaneous forward voltage | VF | 0.55 | V | @5.0A, TA=25°C | 1 | ||
| Reverse current | IR | 0.5 | mA | VR=VRRM TA=25°C | 1 | ||
| Reverse current | IR | 20 | mA | VR=VRRM TA=100°C | 1 | ||
| Forward rectified current | IO | 5 | A | see Fig.1 | 1 | ||
| Forward surge current | IFSM | 125 | A | 8.3ms single half sine-wave superimposed on rate load (JEDEC method) | 1 | ||
| Diode junction capacitance | CJ | 380 | pF | f=1MHZ and applied 4V DC reverse Voltage | 1 | ||
| Thermal resistance, junction to ambient | RθJA | 24 | °C/W | Junction to ambient | 1 | ||
| Operating temperature | TJ | -50 | 150 | °C | 1 | ||
| Storage temperature | TSTG | -50 | 175 | °C | 1 |
CAD (KiCad official)
- Symbol:
CDBC540-HF - Footprint:
Diode_SMD:D_SMC - 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
- 3D model files:
cdbc540-hf-etched.step/cdbc540-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cdbc540-hf.step/cdbc540-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Comchip datasheet (4 pp, sha256
987fc4b273aa5cab, retrieved 2026-10-21, 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).
# CDBC540-HF
**Comchip** · Schottky Barrier Diodes (SBD) · DO-214AB(SMC)
CDBC540-HF from Comchip, in a DO-214AB(SMC). 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-214AB(SMC) |
| 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. DC blocking voltage | VDC | | | 40 | V | | 1 |
| Max. RMS voltage | VRMS | | | 28 | V | | 1 |
| Max. instantaneous forward voltage | VF | | | 0.55 | V | @5.0A, TA=25°C | 1 |
| Reverse current | IR | | | 0.5 | mA | VR=VRRM TA=25°C | 1 |
| Reverse current | IR | | | 20 | mA | VR=VRRM TA=100°C | 1 |
| Forward rectified current | IO | | | 5 | A | see Fig.1 | 1 |
| Forward surge current | IFSM | | | 125 | A | 8.3ms single half sine-wave superimposed on rate load (JEDEC method) | 1 |
| Diode junction capacitance | CJ | | | 380 | pF | f=1MHZ and applied 4V DC reverse Voltage | 1 |
| Thermal resistance, junction to ambient | RθJA | | | 24 | °C/W | Junction to ambient | 1 |
| Operating temperature | TJ | -50 | | 150 | °C | | 1 |
| Storage temperature | TSTG | -50 | | 175 | °C | | 1 |
## CAD (KiCad official)
- Symbol: `CDBC540-HF`
- Footprint: `Diode_SMD:D_SMC`
- 3D model: DO-214AB(SMC) (KiCad packages3D, STEP)
- 3D model files: `cdbc540-hf-etched.step` / `cdbc540-hf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cdbc540-hf.step` / `cdbc540-hf.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Comchip datasheet](docs/cdbc540-hf-datasheet.pdf) (4 pp, sha256 `987fc4b273aa5cab`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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](docs/cdbc540-hf-datasheet.pdf)