# HSi1553CDL

**HXY MOSFET** · MOSFETs · SOT-363(SC-70-6)

HSi1553CDL from HXY MOSFET, in a SOT-363(SC-70-6). 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 | S1 | passive | Source of the N-channel MOSFET (Q1), with VDS rated 20 V and continuous ID of 0.75 A. |
| 2 | G1 | input | Gate of the N-channel MOSFET (Q1), with VGS rated ±12 V maximum. |
| 3 | D2 | passive | Drain of the P-channel MOSFET (Q2), with VDS rated -20 V and continuous ID of -0.66 A. |
| 4 | S2 | passive | Source of the P-channel MOSFET (Q2), with VDS rated -20 V. |
| 5 | G2 | input | Gate of the P-channel MOSFET (Q2), with VGS rated ±12 V maximum. |
| 6 | D1 | passive | Drain of the N-channel MOSFET (Q1), with VDS rated 20 V and continuous ID of 0.75 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HXY MOSFET |
| Package | SOT-363(SC-70-6) |
| Category | Transistors/Thyristors |
| Pins | 6 |

## CAD (KiCad official)

- Symbol: `HSi1553CDL`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SOT-363(SC-70-6) (KiCad packages3D, STEP)
- 3D model files: `hsi1553cdl-etched.step` / `hsi1553cdl-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hsi1553cdl.step` / `hsi1553cdl.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HXY MOSFET datasheet](docs/hsi1553cdl-datasheet.pdf) (6 pp, sha256 `646ceac1d0545bdf`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/hsi1553cdl-datasheet.pdf)