component
CDBA140SL-HF
Public Made by Adomby adom
Comchip Schottky Barrier Diodes (SBD), SMA(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.
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CDBA140SL-HF
Comchip · Schottky Barrier Diodes (SBD) · SMA(DO-214AC)
CDBA140SL-HF from Comchip, in a SMA(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 | SMA(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 |
|---|---|---|---|---|---|---|---|
| Forward voltage drop | VF | 275 | 330 | mV | IF = 1A, TJ = 25°C | 1 | |
| Reverse current | IR | 0.2 | mA | VR = VRRM, TJ = 25°C | 1 | ||
| Reverse current | IR | 80 | mA | VR = VRRM, TJ = 100°C | 1 | ||
| Peak repetitive reverse voltage | VRRM | 40 | V | TA=25°C | 1 | ||
| DC blocking voltage | VDC | 40 | V | TA=25°C | 1 | ||
| Working peak reverse voltage | VRWM | 40 | V | TA=25°C | 1 | ||
| Forward rectified current | IO | 1 | A | 1 | |||
| Forward surge current | IFSM | 30 | A | 8.3ms single half sine-wave superimposed on rate load (JEDEC method) | 1 | ||
| Peak repetitive reverse surge current | IRRM | 2 | A | 2us - 1KHz | 1 | ||
| Operating temperature range | TJ | -55 | 100 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 | ||
| Thermal resistance, junction to ambient | RθJA | 70 | °C/W | Junction to ambient | 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 | gold | - Terminals: Gold plated, solderable per MIL-STD-750, method 2026. | 1 |
CAD (KiCad official)
- Symbol:
CDBA140SL-HF - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
cdba140sl-hf-etched.step/cdba140sl-hf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cdba140sl-hf.step/cdba140sl-hf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Comchip datasheet (4 pp, sha256
3d13262b9a9f876b, 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).
# CDBA140SL-HF
**Comchip** · Schottky Barrier Diodes (SBD) · SMA(DO-214AC)
CDBA140SL-HF from Comchip, in a SMA(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 | SMA(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 |
|---|---|---|---|---|---|---|---|
| Forward voltage drop | VF | | 275 | 330 | mV | IF = 1A, TJ = 25°C | 1 |
| Reverse current | IR | | | 0.2 | mA | VR = VRRM, TJ = 25°C | 1 |
| Reverse current | IR | | | 80 | mA | VR = VRRM, TJ = 100°C | 1 |
| Peak repetitive reverse voltage | VRRM | | | 40 | V | TA=25°C | 1 |
| DC blocking voltage | VDC | | | 40 | V | TA=25°C | 1 |
| Working peak reverse voltage | VRWM | | | 40 | V | TA=25°C | 1 |
| Forward rectified current | IO | | | 1 | A | | 1 |
| Forward surge current | IFSM | | | 30 | A | 8.3ms single half sine-wave superimposed on rate load (JEDEC method) | 1 |
| Peak repetitive reverse surge current | IRRM | | | 2 | A | 2us - 1KHz | 1 |
| Operating temperature range | TJ | -55 | | 100 | °C | | 1 |
| Storage temperature range | TSTG | -55 | | 150 | °C | | 1 |
| Thermal resistance, junction to ambient | RθJA | | 70 | | °C/W | Junction to ambient | 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 | | gold | - Terminals: Gold plated, solderable per MIL-STD-750, method 2026. | 1 |
## CAD (KiCad official)
- Symbol: `CDBA140SL-HF`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files: `cdba140sl-hf-etched.step` / `cdba140sl-hf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cdba140sl-hf.step` / `cdba140sl-hf.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Comchip datasheet](docs/cdba140sl-hf-datasheet.pdf) (4 pp, sha256 `3d13262b9a9f876b`, 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/cdba140sl-hf-datasheet.pdf)