# MC3541A-TP

**MCC Micro Commercial Components** · MOSFETs · SOT-723

MC3541A-TP from MCC Micro Commercial Components, in a SOT-723. 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 | GATE | input | Gate terminal of the N-channel MOSFET; the gate-source voltage is rated ±20 V (VGS), and the gate threshold VGS(th) is specified between 0.8 V and 1.45 V. |
| 2 | SOURCE | passive | Source terminal of the MOSFET, the reference for VGS and the return path for drain current; the datasheet gives no separate voltage or current limit for this pin. |
| 3 | DRAIN | passive | Drain terminal of the MOSFET; drain-source voltage is rated 30 V (V(BR)DSS minimum at VGS=0 V, ID=250 µA), with continuous drain current of 0.3 A and pulsed drain current of 1.2 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MCC Micro Commercial Components |
| Package | SOT-723 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `MC3541A-TP`
- Footprint: `Package_TO_SOT_SMD:SOT-723`
- 3D model: SOT-723, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.5 mm nominal SOT-723 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files: `mc3541a-tp-etched.step` / `mc3541a-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mc3541a-tp.step` / `mc3541a-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MCC Micro Commercial Components datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603692490885656576) (6 pp, sha256 `70927bbba3e57aaf`, retrieved 2026-10-09, 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/mc3541a-tp-datasheet.pdf)