component
RB751S40T5G
Public Made by Adomby adom
onsemi Schottky Barrier Diodes (SBD), SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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RB751S40T5G
onsemi · Schottky Barrier Diodes (SBD) · SOD-523
RB751S40T5G from onsemi, in a SOD-523. 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 | CATHODE | passive | Cathode of the 40 V Schottky barrier diode (polarity band side), with reverse voltage VR of 30 V and forward continuous current IF of 30 mA. |
| 2 | ANODE | passive | Anode of the Schottky barrier diode, with forward voltage of 0.28 V typ (0.37 V max) at IF = 1.0 mAdc. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | 30 | V | IR = 10 A, TA = 25°C | 2 | ||
| Total Capacitance | CT | 2 | 2.5 | pF | VR = 1.0 V, f = 1.0 MHz | 2 | |
| Reverse Leakage | IR | 300 | 500 | nAdc | VR = 30 V | 2 | |
| Forward Voltage | VF | 0.28 | 0.37 | Vdc | IF = 1.0 mAdc | 2 | |
| Peak Reverse Voltage | VRM | 40 | V | 1 | |||
| Reverse Voltage | VR | 30 | V | 1 | |||
| Forward Continuous Current (DC) | IF | 30 | mA | 1 | |||
| Peak Forward Surge Current | IFSM | 500 | mA | 1 | |||
| Total Device Dissipation | PD | 200 | mW | FR-5 Board, TA = 25°C (FR-5 minimum pad) | 1 | ||
| Derating above 25°C | PD | 1.57 | mW/°C | FR-5 Board, derate above 25°C | 1 | ||
| Thermal Resistance, Junction-to-Ambient | RJA | 635 | °C/W | FR-5 minimum pad | 1 | ||
| Junction and Storage Temperature Range | TJ, Tstg | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
RB751S40T5G - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
rb751s40t5g-etched.step/rb751s40t5g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);rb751s40t5g.step/rb751s40t5g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (4 pp, sha256
fec17404faa0237a, retrieved 2026-10-22, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(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).
# RB751S40T5G
**onsemi** · Schottky Barrier Diodes (SBD) · SOD-523
RB751S40T5G from onsemi, in a SOD-523. 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 | CATHODE | passive | Cathode of the 40 V Schottky barrier diode (polarity band side), with reverse voltage VR of 30 V and forward continuous current IF of 30 mA. |
| 2 | ANODE | passive | Anode of the Schottky barrier diode, with forward voltage of 0.28 V typ (0.37 V max) at IF = 1.0 mAdc. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | 30 | | | V | IR = 10 A, TA = 25°C | 2 |
| Total Capacitance | CT | | 2 | 2.5 | pF | VR = 1.0 V, f = 1.0 MHz | 2 |
| Reverse Leakage | IR | | 300 | 500 | nAdc | VR = 30 V | 2 |
| Forward Voltage | VF | | 0.28 | 0.37 | Vdc | IF = 1.0 mAdc | 2 |
| Peak Reverse Voltage | VRM | | | 40 | V | | 1 |
| Reverse Voltage | VR | | | 30 | V | | 1 |
| Forward Continuous Current (DC) | IF | | | 30 | mA | | 1 |
| Peak Forward Surge Current | IFSM | | | 500 | mA | | 1 |
| Total Device Dissipation | PD | | | 200 | mW | FR-5 Board, TA = 25°C (FR-5 minimum pad) | 1 |
| Derating above 25°C | PD | | | 1.57 | mW/°C | FR-5 Board, derate above 25°C | 1 |
| Thermal Resistance, Junction-to-Ambient | RJA | | | 635 | °C/W | FR-5 minimum pad | 1 |
| Junction and Storage Temperature Range | TJ, Tstg | -55 | | 150 | °C | | 1 |
## CAD (KiCad official)
- Symbol: `RB751S40T5G`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `rb751s40t5g-etched.step` / `rb751s40t5g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rb751s40t5g.step` / `rb751s40t5g.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/rb751s40t5-d.pdf) (4 pp, sha256 `fec17404faa0237a`, retrieved 2026-10-22, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-5-5` (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/rb751s40t5g-datasheet.pdf)