HXYSLVU2.8-4

@@ -0,0 +1,49 @@+# HXYSLVU2.8-4++**HXY MOSFET** · ESD And Surge Protection (TVS/ESD) · SOP-8++HXYSLVU2.8-4 from HXY MOSFET, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | I/O1 | passive | Protected I/O line 1. Steering diodes clamp transients to GND rail; VRWM = 2.8V, VBR ≥ 3.0V @ 2µA, VC ≤ 8.5V @ IPP = 5A. Junction capacitance ~2pF (VR = 0V, 1MHz). |+| 2 | GND | power_in | Ground / reference rail return. Common cathode / anode node for the steering + TVS clamp diodes; connect via short, low-inductance trace directly to system ground for effective ESD clamping. |+| 3 | I/O2 | passive | Protected I/O line 2. Steering diodes to GND; VRWM = 2.8V, VC ≤ 8.5V @ 5A (8/20µs). Low 2pF loading suitable for high-speed data lines. |+| 4 | GND | power_in | Ground / reference rail return (shared with pin 2). Provides low-impedance return path for ESD strike currents to be clamped by the internal TVS diode. |+| 5 | GND | power_in | Ground / reference rail return (shared with pins 2/4/7). Bond to solid ground plane; the GND pins are internally tied through the central TVS clamp diode network. |+| 6 | I/O3 | passive | Protected I/O line 3. Steering diodes to GND; VRWM = 2.8V, VBR ≥ 3.0V, VC ≤ 8.5V @ 5A pulse. Insert in series with the protected signal at the connector side. |+| 7 | GND | power_in | Ground / reference rail return (shared with pin 5). Common node for the central bidirectional TVS clamp diode. |+| 8 | I/O4 | passive | Protected I/O line 4. Steering diodes to GND; VRWM = 2.8V, VC ≤ 8.5V @ 5A (8/20µs), CJ ≈ 2pF. Place as close to the connector / edge of PCB as possible. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HXY MOSFET |+| Package | SOP-8 |+| Category | Circuit Protection |+| Pins | 8 |++## Ordering variants++Same part, different packaging or reel option.++- `HXYSLVU2.8-4-HXY`++## CAD (KiCad official)++- Symbol: `HXYSLVU2.8-4`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HXY MOSFET datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905621061718017) (None pp, sha256 `8794febb4639c02f`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/hxyslvu2-8-4-datasheet.pdf)

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