# BAV70-MS

**MSKSEMI** · Switching Diodes · SOT-23

BAV70-MS from MSKSEMI, in a SOT-23. 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 | A1 | passive | Anode of the first diode, connected to the common node on pin 3 through the diode (BAV70 column of the pin configuration drawing). |
| 2 | A2 | passive | Anode of the second diode, connected to the common node on pin 3 through the diode (BAV70 column of the pin configuration drawing). |
| 3 | K | passive | Common cathode node joining both diodes (BAV70 column of the pin configuration drawing); reverse voltage VR is rated 70 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23 |
| Category | Diodes |
| Pins | 3 |

## 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 Voltage (breakdown) | VRB | 70 |  |  | V | IB=100uA | 3 |
| Reverse Leakage Current | IR |  |  | 2.5 | μA | VR=70V | 3 |
| Forward Voltage | VF |  |  | 0.715 | V | IF=1mA | 3 |
| Forward Voltage | VF |  |  | 0.855 | V | IF=10mA | 3 |
| Forward Voltage | VF |  |  | 1 | V | IF=50mA | 3 |
| Reverse Recovery Time | TRR |  |  | 6 | nS | IF=IR=10mA, RL=100Ω, IRR=0 1xIR | 3 |
| Capacitance | CT |  |  | 1.5 | pF | VR=0V, f=1MHZ | 3 |
| Reverse Voltage | VR |  |  | 70 | V | Ratings at 25℃ ambient temperature | 3 |
| Power Dissipation | Pd |  |  | 225 | mW | Ratings at 25℃ ambient temperature | 3 |
| Operating junction temperature | Tj |  |  | 150 | ℃ | Ratings at 25℃ ambient temperature | 3 |
| Storage temperature range | Ts | -65 |  | 150 | ℃ | Ratings at 25℃ ambient temperature | 3 |
| Average Rectified Current | IO |  |  | 200 | mA | Ratings at 25℃ ambient temperature | 3 |
| Non-repetitive Peak Forward Current | IFM |  |  | 400 | mA | Ratings at 25℃ ambient temperature | 3 |
| Peak Forward Surge Current | IFSM |  |  | 2 | A | tp=1ms; TA=25℃ | 3 |
| Typical thermal resistance, junction to ambient | RθJA |  | 500 |  | ℃/W | Valid provided that electrodes are kept at ambient temperature | 3 |

## CAD (KiCad official)

- Symbol: `BAV70-MS`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `bav70-ms-etched.step` / `bav70-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bav70-ms.step` / `bav70-ms.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MSKSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590184411750182912) (6 pp, sha256 `bd26d650c7c4c50a`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/bav70-ms-datasheet.pdf)