# VHF100505HQ2N4BT

**FH Guangdong Fenghua Advanced Tech** · Inductors (SMD) · 0402

VHF100505HQ2N4BT from FH Guangdong Fenghua Advanced Tech, in a 0402. 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 | First terminal electrode (Ag with Ni/Sn plating) of the 2.4 nH high-frequency chip inductor, rated 800 mA max with 0.10 Ω max DC resistance; interchangeable with the other terminal. |
| 2 | 2 | passive | Second terminal electrode (Ag with Ni/Sn plating) of the 2.4 nH high-frequency chip inductor, rated 800 mA max with 0.10 Ω max DC resistance; interchangeable with the other terminal. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | FH Guangdong Fenghua Advanced Tech |
| Package | 0402 |
| Category | Inductors, Coils, Chokes |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Inductance tolerance (code B) |  | -0.1 |  | 0.1 | nH | Tolerance code B (±0.1nH); Ls ≤ 6.2 nH | 4 |
| Quality factor Q (min) | Q | 8 |  |  |  | Test frequency 100 MHz; test voltage 50 mV | 5 |
| DC resistance RDC (max) | RDC |  |  | 0.1 | Ω |  | 5 |
| Self-resonant frequency SRF (min) | SRF | 6000 |  |  | MHz |  | 5 |
| Rated current (max) |  |  |  | 800 | mA |  | 5 |
| Operating temperature range |  | -55 |  | 125 | °C |  | 7 |
| Hand soldering iron temperature (max) |  |  |  | 350 | °C | Iron soldering; do not touch terminal electrodes with tip | 12 |
| Hand soldering iron power (max) |  |  |  | 30 | W | Iron soldering | 12 |
| Preheat temperature difference, solder vs product surface (max) |  |  |  | 150 | °C | Reflow pre-heating | 12 |
| Cooling temperature difference, product surface vs solvent (max) |  |  |  | 100 | °C | Cooling after soldering | 12 |
| Nominal inductance | L |  | 2.4 |  | nH | Test frequency 100 MHz; test voltage 50 mV | 5 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | silver | Terminal electrode 银层 Ag layer 银Ag | 4 |

## CAD (KiCad official)

- Symbol: `VHF100505HQ2N4BT`
- Footprint: `Inductor_SMD:L_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `vhf100505hq2n4bt-etched.step` / `vhf100505hq2n4bt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `vhf100505hq2n4bt.step` / `vhf100505hq2n4bt.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [FH Guangdong Fenghua Advanced Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904685656428544) (13 pp, sha256 `0fe649a4780c6c11`, retrieved 2026-10-19, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/vhf100505hq2n4bt-datasheet.pdf)