# TIP41C-HXY

**HXY MOSFET** · Bipolar (BJT) · TO-220

TIP41C-HXY from HXY MOSFET, in a TO-220. 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 transistor; the datasheet gives VEBO of 5 V and VBE(on) of 1.8 V at VCE=4 V, IC=3 A for the TIP41C. |
| 2 | COLLECTOR | passive | Collector terminal; the datasheet rates IC at 3 A continuous with VCEO(sus) of 100 V minimum at IC=30 mA, IB=0 for the TIP41C. |
| 3 | EMITTER | passive | Emitter terminal; the datasheet gives emitter-base breakdown V(BR)EBO of 5 V minimum at IE=1 mA, IC=0. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HXY MOSFET |
| Package | TO-220 |
| 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 voltage (TIP41C column) | VCBO |  |  | 100 | V |  | 1 |
| Emitter-base voltage | VEBO |  |  | 5 | V |  | 1 |
| Collector current, continuous | IC |  |  | 3 | A |  | 1 |
| Collector power dissipation | PC |  |  | 2 | W |  | 1 |
| Operation junction and storage temperature range | TJ,Tstg | -55 |  | 150 | ℃ |  | 1 |
| Collector-base breakdown voltage (TIP41C) | V(BR)CBO | 100 |  |  | V | IC= 1mA, IE=0 | 1 |
| Collector-emitter breakdown voltage (TIP41C) | VCEO(sus) | 100 |  |  | V | IC= 30mA, IB=0 | 1 |
| Emitter-base breakdown voltage | V(BR)EBO | 5 |  |  | V | IE= 1mA, IC=0 | 1 |
| Collector cut-off current (TIP41C, ICBO) | ICBO |  |  | 0.3 | mA | VCB=100V, IE=0 | 1 |
| Collector cut-off current (TIP41B/41C, ICEO) | ICEO |  |  | 0.7 | mA | VCE= 60V, IB= 0 | 1 |
| Emitter cut-off current | IEBO |  |  | 1 | mA | VEB=5V, IC=0 | 1 |
| DC current gain hFE(1) | hFE(1) | 25 |  |  |  | VCE=4V, IC= 1A | 1 |
| DC current gain hFE(2) | hFE(2) | 15 |  | 75 |  | VCE=4V , IC= 3A | 1 |
| Collector-emitter saturation voltage | VCE(sat) |  |  | 1.2 | V | IC=3A, IB=0.375A | 1 |
| Base-emitter voltage | VBE(on) |  |  | 1.8 | V | VCE= 4V, IC=3A | 1 |
| Transition frequency | fT | 3 |  |  | MHz | VCE=10V , IC=0.5A, f =1MHz | 1 |
| Thermal resistance, junction to ambient | RΘJA |  | 62.5 |  | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `TIP41C-HXY`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220 (KiCad packages3D, STEP)
- 3D model files: `tip41c-hxy-etched.step` / `tip41c-hxy-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tip41c-hxy.step` / `tip41c-hxy.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HXY MOSFET datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905695954939904) (4 pp, sha256 `6f9835457d301113`, 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/tip41c-hxy-datasheet.pdf)