# BAT43W-TP

**MCC(Micro Commercial Components)** · Schottky Barrier Diodes (SBD) · SOD-123

BAT43W-TP from MCC(Micro Commercial Components), in a SOD-123. 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, identified by the cathode mark on the package; reverse breakdown voltage is 30V (Min) at IR=100µA and maximum DC blocking voltage is 30V. |
| 2 | A | passive | Anode; forward DC current IF is 200mA max, repetitive peak forward current IFRM is 500mA, and BAT43W forward voltage is 0.4V (Max) at IF=2.0mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MCC(Micro Commercial Components) |
| Package | SOD-123 |
| 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 |  |  | 0.33 | V | IF=2.0mA | 1 |
| Forward Voltage (min) | VF | 0.26 |  |  | V | IF=2.0mA | 1 |
| Forward Voltage | VF |  |  | 0.45 | V | IF=15mA | 1 |
| Forward Voltage | VF |  |  | 0.65 | V | IF=200mA | 1 |
| Reverse Breakdown Voltage | V(BR)R | 30 |  |  | V | IR=100μAdc Pulsed | 1 |
| Leakage Current | IR |  |  | 0.5 | µA | VR=25V | 1 |
| Leakage Current | IR |  |  | 100 | µA | VR=25V, TJ=100°C | 1 |
| Reverse Recovery Time | trr |  |  | 5 | ns | IF=10mA, IR=10mA, Irr=1.0mA, RL=100Ohm | 1 |
| Junction Capacitance | Ctot |  | 7 |  | pF | VR=1.0, f=1.0MHz | 1 |
| Maximum Recurrent Peak Reverse Voltage |  |  |  | 30 | V |  | 1 |
| Maximum RMS Voltage |  |  |  | 21 | V |  | 1 |
| Maximum DC Blocking Voltage |  |  |  | 30 | V |  | 1 |
| Forward DC Current | IF |  |  | 200 | mA |  | 1 |
| Repetitive Peak Forward Current | IFRM |  |  | 500 | mA | tp<1s, Tamb=25°C | 1 |
| Surge Forward Current | IFSM |  |  | 4 | A | tp<10ms, Tj=25°C | 1 |
| Power Dissipation | Ptot |  |  | 200 | mW | Tamb=25°C | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 125 | °C |  | 1 |
| Storage Temperature Range | Tstg | -55 |  | 150 | °C |  | 1 |
| Thermal Resistance Junction to Ambient | RθJA |  |  | 300 | °C/W | Junction to Ambient Air | 1 |

## CAD (KiCad official)

- Symbol: `BAT43W-TP`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `bat43w-tp-etched.step` / `bat43w-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bat43w-tp.step` / `bat43w-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/bat43w-tp-datasheet.pdf) (3 pp, sha256 `ea6445081a6104e9`, retrieved 2026-10-22, tier: lcsc)
- **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/bat43w-tp-datasheet.pdf)