# NSVRB751V40T1G

**onsemi** · Schottky Diodes · SOD-323

NSVRB751V40T1G from onsemi, in a SOD-323. 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 terminal of the 40 V Schottky barrier diode, with device ratings of 30 Vdc reverse voltage (VR) and 40 V peak reverse voltage (VRM). |
| 2 | ANODE | passive | Anode terminal of the Schottky barrier diode, with device ratings of 30 mA forward continuous current (IF) and 500 mA peak forward surge current (IFSM). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOD-323 |
| 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 |  |  | Volts | IR = 10 μA | 2 |
| Reverse Leakage | IR |  | 300 | 500 | nAdc | VR = 30 V | 2 |
| Forward Voltage | VF |  | 0.28 | 0.37 | Vdc | IF = 1.0 mAdc | 2 |
| Total Capacitance | CT |  | 2 | 2.5 | pF | VR = 1.0 V, f = 1.0 MHz | 2 |
| Peak Reverse Voltage | VRM |  |  | 40 | V |  | 1 |
| Reverse Voltage | VR |  |  | 30 | Vdc |  | 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 (Note 1), TA = 25°C | 1 |
| Thermal Resistance Junction-to-Ambient | RJA |  |  | 635 | °C/W |  | 1 |
| Junction and Storage Temperature Range | TJ, Tstg | -55 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `NSVRB751V40T1G`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `nsvrb751v40t1g-etched.step` / `nsvrb751v40t1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `nsvrb751v40t1g.step` / `nsvrb751v40t1g.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [onsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588936897766281216) (4 pp, sha256 `4d339a3ca4aa16d8`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/nsvrb751v40t1g-datasheet.pdf)