# H4V5N10B

**hongjiacheng** · ESD And Surge Protection (TVS/ESD) · DFN1006-2L

H4V5N10B from hongjiacheng, in a DFN1006-2L. 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 | 1 | passive | Bi-directional ESD protection terminal, rated for a peak reverse working voltage (VRWM) of 4.5 V max, with a breakdown voltage (VBR) of 4.8 V min at 1.0 mA and ESD immunity of ±30 kV (IEC 61000-4-2 air and contact). |
| 2 | 2 | passive | Bi-directional ESD protection terminal, rated for a peak reverse working voltage (VRWM) of 4.5 V max, with a breakdown voltage (VBR) of 4.8 V min at 1.0 mA and ESD immunity of ±30 kV (IEC 61000-4-2 air and contact). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| Package | DFN1006-2L |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `H4V5N10B`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: DFN1006-2L (KiCad packages3D, STEP)
- 3D model files: `h4v5n10b-etched.step` / `h4v5n10b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `h4v5n10b.step` / `h4v5n10b.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [hongjiacheng datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755885351678828544) (3 pp, sha256 `82c2f97d52ff6e8d`, retrieved 2026-10-12, 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/h4v5n10b-datasheet.pdf)