# BC338-16

**LGE** · Bipolar (BJT) · TO-92-3

BC338-16 from LGE, in a TO-92-3. 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 BC337/BC338 NPN transistor in the TO-92 package; the datasheet gives no further limits for this pin. |
| 2 | BASE | passive | Base terminal of the BC337/BC338 NPN transistor in the TO-92 package; the datasheet gives no further limits for this pin. |
| 3 | COLLECTOR | passive | Collector terminal of the BC337/BC338 NPN transistor in the TO-92 package; the datasheet gives no further limits for this pin. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LGE |
| Package | TO-92-3 |
| 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-base breakdown voltage (BC338) | VCBO | 30 |  |  | V | IC= 100uA, IE=0 | 1 |
| Collector-emitter breakdown voltage (BC338) | VCEO | 25 |  |  | V | IC= 10mA, IB=0 | 1 |
| Emitter-base breakdown voltage | VEBO | 5 |  |  | V | IE= 10uA, IC=0 | 1 |
| Collector cut-off current (BC338) | ICBO |  |  | 0.1 | uA | VCB= 25V, IE=0 | 1 |
| Collector cut-off current (BC338) | ICEO |  |  | 0.2 | uA | VCE= 20V, IB=0 | 1 |
| Emitter cut-off current | IEBO |  |  | 0.1 | uA | VEB= 4 V, IC=0 | 1 |
| DC current gain (BC338-16) | hFE(1) | 100 |  | 250 |  | VCE=1V, IC= 100mA | 1 |
| DC current gain | hFE(2) | 60 |  |  |  | VCE=1V, IC= 300mA | 1 |
| Collector-emitter saturation voltage | VCE(sat) |  |  | 0.7 | V | IC=500mA, IB= 50mA | 1 |
| Base-emitter saturation voltage | VBE(sat) |  |  | 1.2 | V | IC= 500mA, IB=50mA | 1 |
| Base-emitter voltage | VBE |  |  | 1.2 | V | VCE=1V, IC= 300mA | 1 |
| Collector-base voltage | VCBO |  |  | 30 | V | BC338; TA=25℃ unless otherwise noted | 1 |
| Collector-emitter voltage | VCEO |  |  | 25 | V | BC338; TA=25℃ unless otherwise noted | 1 |
| Emitter-base voltage | VEBO |  |  | 5 | V | TA=25℃ unless otherwise noted | 1 |
| Collector current - continuous | IC |  |  | 800 | mA | TA=25℃ unless otherwise noted | 1 |
| Total device dissipation | PD |  |  | 625 | mW | TA=25℃ unless otherwise noted | 1 |
| Junction temperature | Tj |  |  | 150 | ℃ |  | 1 |
| Storage temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |

## CAD (KiCad official)

- Symbol: `BC338-16`
- Footprint: `Package_TO_SOT_THT:TO-92_Inline`
- 3D model: TO-92-3 (KiCad packages3D, STEP)
- 3D model files: `bc338-16-etched.step` / `bc338-16-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bc338-16.step` / `bc338-16.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/8588945155672461312) (3 pp, sha256 `640676d709123a48`, retrieved 2026-10-18, 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/bc338-16-datasheet.pdf)