component
CD123D-B140LR
Public Made by Adomby adom
BOURNS Schottky Diodes, 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.
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CD123D-B140LR
BOURNS · Schottky Diodes · SOD-123
CD123D-B140LR from BOURNS, 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 | BOURNS |
| 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 |
|---|---|---|---|---|---|---|---|
| Instantaneous Forward Voltage | VF | 0.37 | 0.38 | V | IF = 1.0 A | 1 | |
| Repetitive Peak Reverse Current | IR | 0.3 | 1 | mA | VR = VRRM | 1 | |
| Maximum Repetitive Peak Reverse Voltage | VRRM | 40 | V | TA = 25 °C | 1 | ||
| Maximum Average Forward Rectified Current | IF(AV) | 1 | A | TA = 55 °C | 1 | ||
| Peak Forward Surge Current | IFSM | 20 | A | 8.3 ms 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 | ||
| Thermal Resistance Junction to Ambient | RθJA | 190 | °C/W | Junction to Ambient | 1 | ||
| Thermal Resistance Junction to Case | RθJL | 60 | °C/W | Junction to Case, mounted on PC board with 2.73 x 1.6 mm and 0.86 x 1.6 mm copper pads | 1 | ||
| Instantaneous Forward Voltage | VF | 0.24 | V | IF = 0.1 A | 1 | ||
| Instantaneous Forward Voltage | VF | 0.31 | V | IF = 0.5 A | 1 | ||
| Junction Capacitance | CJ | 115 | pF | VR = 4 V, f = 1.0 MHz | 1 |
CAD (KiCad official)
- Symbol:
CD123D-B140LR - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
cd123d-b140lr-etched.step/cd123d-b140lr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cd123d-b140lr.step/cd123d-b140lr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (6 pp, sha256
8cd731436b91c512, retrieved 2026-10-23, 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).
# CD123D-B140LR
**BOURNS** · Schottky Diodes · SOD-123
CD123D-B140LR from BOURNS, 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 | BOURNS |
| 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 |
|---|---|---|---|---|---|---|---|
| Instantaneous Forward Voltage | VF | | 0.37 | 0.38 | V | IF = 1.0 A | 1 |
| Repetitive Peak Reverse Current | IR | | 0.3 | 1 | mA | VR = VRRM | 1 |
| Maximum Repetitive Peak Reverse Voltage | VRRM | | | 40 | V | TA = 25 °C | 1 |
| Maximum Average Forward Rectified Current | IF(AV) | | | 1 | A | TA = 55 °C | 1 |
| Peak Forward Surge Current | IFSM | | | 20 | A | 8.3 ms 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 |
| Thermal Resistance Junction to Ambient | RθJA | | 190 | | °C/W | Junction to Ambient | 1 |
| Thermal Resistance Junction to Case | RθJL | | 60 | | °C/W | Junction to Case, mounted on PC board with 2.73 x 1.6 mm and 0.86 x 1.6 mm copper pads | 1 |
| Instantaneous Forward Voltage | VF | | 0.24 | | V | IF = 0.1 A | 1 |
| Instantaneous Forward Voltage | VF | | 0.31 | | V | IF = 0.5 A | 1 |
| Junction Capacitance | CJ | | 115 | | pF | VR = 4 V, f = 1.0 MHz | 1 |
## CAD (KiCad official)
- Symbol: `CD123D-B140LR`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `cd123d-b140lr-etched.step` / `cd123d-b140lr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd123d-b140lr.step` / `cd123d-b140lr.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [BOURNS datasheet](docs/cd123d-b140lr-datasheet.pdf) (6 pp, sha256 `8cd731436b91c512`, retrieved 2026-10-23, 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/cd123d-b140lr-datasheet.pdf)