# 2SC5344-Y

**LGE** · Bipolar (BJT) · TO-92

2SC5344-Y from LGE, in a TO-92. 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 | EMITTER | passive | Emitter terminal of the NPN transistor; the emitter-base breakdown voltage V(BR)EBO is specified at a minimum of 5 V with IE = 0.01 mA. |
| 2 | COLLECTOR | passive | Collector terminal; the maximum collector-emitter voltage VCEO is 30 V and the continuous collector current IC is 800 mA. |
| 3 | BASE | passive | Base terminal; the DC current gain hFE is 100 to 320 at VCE = 1 V and IC = 100 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LGE |
| Package | TO-92 |
| Category | Transistors/Thyristors |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector-emitter voltage | VCEO |  |  | 30 | V |  | 1 |
| Collector-base voltage | VCBO |  |  | 35 | V |  | 1 |
| Emitter-base voltage | VEBO |  |  | 5 | V |  | 1 |
| Collector current, continuous | IC |  |  | 800 | mA |  | 1 |
| Collector power dissipation | PC |  |  | 625 | mW |  | 1 |
| Junction temperature | Tj |  |  | 150 | ℃ |  | 1 |
| Storage temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |
| Collector-base breakdown voltage | V(BR)CBO | 35 |  |  | V | IC = 0.1mA, IB=0 | 1 |
| Collector-emitter breakdown voltage | V(BR)CEO | 30 |  |  | V | IC = 10mA, IB=0 | 1 |
| Emitter-base breakdown voltage | V(BR)EBO | 5 |  |  | V | IE= 0.01mA, IC=0 | 1 |
| Collector cut-off current | ICBO |  |  | 0.1 | μA | VCB=35V, IE=0 | 1 |
| Emitter cut-off current | IEBO |  |  | 0.1 | μA | VEB= 5V, IC=0 | 1 |
| DC current gain, rank Y | hFE | 160 |  | 320 |  | VCE=1V, IC= 100mA | 1 |
| Collector-emitter saturation voltage | VCE(sat) |  |  | 0.5 | V | IC= 500mA, IB=50mA | 1 |
| Transition frequency | fT |  | 120 |  | MHz | VCE=5V, IC=10mA | 1 |
| Collector output capacitance | Cob |  |  | 13 | pF | VCB=10V, IE= 0, f=1MHz | 1 |

## CAD (KiCad official)

- Symbol: `2SC5344-Y`
- Footprint: `Package_TO_SOT_THT:TO-92_Inline`
- 3D model: TO-92 (KiCad packages3D, STEP)
- 3D model files: `2sc5344-y-etched.step` / `2sc5344-y-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2sc5344-y.step` / `2sc5344-y.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [LGE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603345141017030656) (2 pp, sha256 `1442c56f3bc2ac38`, retrieved 2026-10-17, 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/2sc5344-y-datasheet.pdf)