component
RB751CM-40T2R
Public Made by Adomby adom
ROHM Semicon Schottky Barrier Diodes (SBD), SOD-923. 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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RB751CM-40T2R
ROHM Semicon · Schottky Barrier Diodes (SBD) · SOD-923
RB751CM-40T2R from ROHM Semicon, in a SOD-923. 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 | ROHM Semicon |
| Package | SOD-923 |
| 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 | VF | 0.37 | V | IF=1mA | 1 | ||
| Reverse current | IR | 0.5 | μA | VR=30V | 1 | ||
| Repetitive peak reverse voltage | VRM | 40 | V | Duty≦0.5 | 1 | ||
| Reverse voltage | VR | 30 | V | Reverse direct voltage | 1 | ||
| Average rectified forward current | Io | 30 | mA | Glass epoxy mounted、60Hz half sin waveform、resistive load | 1 | ||
| Peak forward surge current | IFSM | 0.2 | A | 60Hz half sinwaveform、Non-repetitive、one cycle、Ta=25℃ | 1 | ||
| Junction temperature | Tj | 150 | ℃ | 1 | |||
| Storage temperature | Tstg | -40 | 150 | ℃ | 1 | ||
| Capacitance between terminals | Ct | 1.4 | pF | VR=1V f=1MHz | 1 |
CAD (KiCad official)
- Symbol:
RB751CM-40T2R - Footprint:
Diode_SMD:D_SOD-923 - 3D model: SOD-923 (KiCad packages3D, STEP)
- 3D model files:
rb751cm-40t2r-etched.step/rb751cm-40t2r-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rb751cm-40t2r.step/rb751cm-40t2r.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (7 pp, sha256
b34491c078e6762c, retrieved 2026-10-22, tier: manufacturer) - 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).
# RB751CM-40T2R
**ROHM Semicon** · Schottky Barrier Diodes (SBD) · SOD-923
RB751CM-40T2R from ROHM Semicon, in a SOD-923. 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 | ROHM Semicon |
| Package | SOD-923 |
| 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 | VF | | | 0.37 | V | IF=1mA | 1 |
| Reverse current | IR | | | 0.5 | μA | VR=30V | 1 |
| Repetitive peak reverse voltage | VRM | | | 40 | V | Duty≦0.5 | 1 |
| Reverse voltage | VR | | | 30 | V | Reverse direct voltage | 1 |
| Average rectified forward current | Io | | | 30 | mA | Glass epoxy mounted、60Hz half sin waveform、resistive load | 1 |
| Peak forward surge current | IFSM | | | 0.2 | A | 60Hz half sinwaveform、Non-repetitive、one cycle、Ta=25℃ | 1 |
| Junction temperature | Tj | | | 150 | ℃ | | 1 |
| Storage temperature | Tstg | -40 | | 150 | ℃ | | 1 |
| Capacitance between terminals | Ct | | 1.4 | | pF | VR=1V f=1MHz | 1 |
## CAD (KiCad official)
- Symbol: `RB751CM-40T2R`
- Footprint: `Diode_SMD:D_SOD-923`
- 3D model: SOD-923 (KiCad packages3D, STEP)
- 3D model files: `rb751cm-40t2r-etched.step` / `rb751cm-40t2r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rb751cm-40t2r.step` / `rb751cm-40t2r.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ROHM Semicon datasheet](docs/rb751cm-40t2r-datasheet.pdf) (7 pp, sha256 `b34491c078e6762c`, retrieved 2026-10-22, tier: manufacturer)
- **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/rb751cm-40t2r-datasheet.pdf)