# BAS40DW-04-TP

**MCC(Micro Commercial Components)** · Schottky Barrier Diodes (SBD) · SOT-363

BAS40DW-04-TP from MCC(Micro Commercial Components), in a SOT-363. 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 A1 of the BAS40DW-04 internal structure, bottom-left pin in the datasheet drawing; Schottky diode rated 40V reverse, 200mA average forward current. |
| 2 | C1 | passive | Cathode C1 of the BAS40DW-04 internal structure, bottom-middle pin in the drawing; diode rated 40V, VF 380mV at 1mA. |
| 3 | AC2 | passive | Common anode/cathode node AC2 of the BAS40DW-04 internal structure, bottom-right pin in the drawing; diode rated 40V reverse. |
| 4 | A2 | passive | Anode A2 of the BAS40DW-04 internal structure, top-right pin in the drawing; diode rated 40V reverse, 200mA average forward current. |
| 5 | C2 | passive | Cathode C2 of the BAS40DW-04 internal structure, top-middle pin in the drawing; diode rated 40V, IR 0.2µA at VR=30V. |
| 6 | AC1 | passive | Common anode/cathode node AC1 of the BAS40DW-04 internal structure, top-left pin in the drawing; diode rated 40V reverse. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MCC(Micro Commercial Components) |
| Package | SOT-363 |
| Category | Diodes |
| Pins | 6 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Maximum Forward Voltage | VF |  |  | 380 | mV | IF=1.0mA | 1 |
| Maximum Forward Voltage | VF |  |  | 1000 | mV | IF=40mA | 1 |
| Maximum DC Reverse Current | IR |  |  | 0.2 | µA | VR = 30V | 1 |
| Minimum Reverse Breakdown Voltage | V(BR) | 40 |  |  | V | IR = 10µA | 1 |
| Maximum Junction Capacitance | CT |  |  | 5 | pF | Measured at 1.0MHz, VR=0.0V | 1 |
| Maximum Reverse Recovery Time | trr |  |  | 5 | nS | IF=10mA, IR=IF=1mA, RL=100Ω | 1 |
| Maximum Recurrent Peak Reverse Voltage |  |  |  | 40 | V |  | 1 |
| Maximum DC Blocking Voltage |  |  |  | 40 | V |  | 1 |
| Average Forward Current | IF |  |  | 200 | mA |  | 1 |
| Power Dissipation | Pd |  |  | 200 | mW |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 125 | °C |  | 1 |
| Storage Temperature Range | Tstg | -55 |  | 125 | °C |  | 1 |
| Thermal Resistance Junction to Ambient | RθJA |  |  | 500 | °C/W | Junction to Ambient | 1 |

## CAD (KiCad official)

- Symbol: `BAS40DW-04-TP`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files: `bas40dw-04-tp-etched.step` / `bas40dw-04-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bas40dw-04-tp.step` / `bas40dw-04-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MCC(Micro Commercial Components) datasheet](docs/bas40dw-04-tp-datasheet.pdf) (3 pp, sha256 `735b93c05d6e4f09`, retrieved 2026-10-24, 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/bas40dw-04-tp-datasheet.pdf)