# VHF100505HQ1N8BT

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

VHF100505HQ1N8BT 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 | Terminal 1 of an unpolarised inductor or ferrite bead; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised inductor or ferrite bead; either orientation. |

## 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 nH) |  | -0.1 |  | 0.1 | nH | MPN tolerance code B (1N8BT); Ls ≤ 6.2 nH uses B/C/S level | 4 |
| Self-resonant frequency | SRF | 6000 |  |  | MHz |  | 5 |
| Rated current |  |  |  | 900 | mA |  | 5 |
| Quality factor (Q) | Q | 8 |  |  |  | Test frequency 100 MHz, test voltage 50 mV | 5 |
| DC resistance | RDC |  |  | 0.08 | Ω |  | 5 |
| Operating temperature range |  | -55 |  | 125 | ℃ |  | 7 |
| Reflow pre-heating: max temperature difference between product surface and solder |  |  |  | 150 | ℃ | Reflow soldering, pre-heating | 12 |
| Reflow cooling: max temperature difference between product surface and solvent |  |  |  | 100 | ℃ | Reflow soldering, cooling after soldering | 12 |
| Iron soldering temperature (max) |  |  |  | 350 | ℃ | Iron soldering, 30 W max, contact time < 5 s | 12 |
| Inductance change after resistance to soldering |  | -10 |  | 10 | % | Solder dip 260±5℃, 10±1 s | 7 |
| Q value change (ceramic) after resistance to soldering |  | -20 |  | 20 | % | Solder dip 260±5℃, 10±1 s | 7 |
| Inductance change after low temperature resistance |  | -10 |  | 10 | % | -55±2℃, 1000 h | 8 |
| Q value change (ceramic) after low temperature resistance |  | -20 |  | 20 | % | -55±2℃, 1000 h | 8 |
| Inductance change after vibration |  | -10 |  | 10 | % | Amplitude 1.5 mm, 2 h in each of 3 perpendicular directions, 10-55-10 Hz 1 min | 8 |
| Q value change (ceramic) after vibration |  | -20 |  | 20 | % | Amplitude 1.5 mm, 2 h in each of 3 perpendicular directions, 10-55-10 Hz 1 min | 8 |
| Inductance change after high temperature resistance |  | -10 |  | 10 | % | 125±2℃, 1000 h | 9 |
| Q value change (ceramic) after high temperature resistance |  | -20 |  | 20 | % | 125±2℃, 1000 h | 9 |
| Inductance change after static humidity heat |  | -10 |  | 10 | % | 60±2℃, 90-95% RH, 1000 h | 9 |
| Q value change (ceramic) after static humidity heat |  | -20 |  | 20 | % | 60±2℃, 90-95% RH, 1000 h | 9 |
| Inductance change after high temperature load |  | -10 |  | 10 | % | Rated current applied, 125±2℃, 1000 h | 9 |
| Q value change (ceramic) after high temperature load |  | -20 |  | 20 | % | Rated current applied, 125±2℃, 1000 h | 9 |
| Inductance change after temperature shock |  | -10 |  | 10 | % | -55℃ 30±3 min / +125℃ 30±3 min, 100 cycles | 9 |
| Q value change (ceramic) after temperature shock |  | -20 |  | 20 | % | -55℃ 30±3 min / +125℃ 30±3 min, 100 cycles | 9 |
| Nominal inductance | Ls |  | 1.8 |  | 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: `VHF100505HQ1N8BT`
- Footprint: `Inductor_SMD:L_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `vhf100505hq1n8bt-etched.step` / `vhf100505hq1n8bt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `vhf100505hq1n8bt.step` / `vhf100505hq1n8bt.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/8603047293675319296) (13 pp, sha256 `0fe649a4780c6c11`, retrieved 2026-10-17, 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`, primary `two-terminal convention` (convention), consensus `off` (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/vhf100505hq1n8bt-datasheet.pdf)