# MMBT5088LT1G

**onsemi** · Bipolar (BJT) · SOT-23

MMBT5088LT1G from onsemi, 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 | BASE | input | Base terminal of the NPN low-noise transistor; the datasheet rates the emitter-base voltage VEBO at 4.5 Vdc maximum and the continuous collector current IC at 50 mAdc. |
| 2 | EMITTER | passive | Emitter terminal of the NPN low-noise transistor; the emitter-base voltage is rated VEBO = 4.5 Vdc. |
| 3 | COLLECTOR | passive | Collector terminal of the NPN low-noise transistor; rated VCEO is 30 Vdc for MMBT5088L and 25 Vdc for MMBT5089L, with continuous collector current IC of 50 mAdc. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `MMBT5088LT1G`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `mmbt5088lt1g-etched.step` / `mmbt5088lt1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mmbt5088lt1g.step` / `mmbt5088lt1g.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/8588884207154712576) (5 pp, sha256 `eb61aa1474a5a65c`, 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/mmbt5088lt1g-datasheet.pdf)