component
VHF100505HQ4N3ST
Public Made by Adomby adom
FH Guangdong Fenghua Advanced Tech Inductors (SMD), 0402. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownVHF100505HQ4N3ST
FH Guangdong Fenghua Advanced Tech · Inductors (SMD) · 0402
VHF100505HQ4N3ST 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, tolerance code S (nominal 4.3 nH) | L | -0.3 | 4.3 | 0.3 | nH | Part-number tolerance code S = ±0.3nH (Ls ≤ 6.2nH) | 4 |
| Q value (min) | Q | 8 | Test frequency 100 MHz; test voltage 50 mV | 5 | |||
| DC resistance RDC (max) | RDC | 0.16 | Ω | 5 | |||
| Self-resonant frequency SRF (min) | SRF | 4000 | MHz | 5 | |||
| Rated current (max) | 700 | mA | 5 | ||||
| Operating temperature range | -55 | 125 | ℃ | 7 | |||
| Inductance change, resistance to soldering (HQ ceramic) | -10 | 10 | % | Solder 96.5Sn/3.0Ag/0.5Cu, 260±5℃, immersion 10±1 s, preheat 120-150℃ 60 s | 7 | ||
| Q value change, resistance to soldering (ceramic) | -20 | 20 | % | Solder 96.5Sn/3.0Ag/0.5Cu, 260±5℃, immersion 10±1 s, preheat 120-150℃ 60 s | 7 | ||
| Inductance change, low temperature resistance (HQ ceramic) | -10 | 10 | % | Temperature -55±2℃; testing time 1000 h | 8 | ||
| Inductance change, vibration (HQ ceramic) | -10 | 10 | % | Amplitude 1.5 mm; 10 Hz to 55 Hz to 10 Hz in 1 min; 2 h in each of 3 perpendicular directions | 8 | ||
| Inductance change, high temperature resistance (HQ ceramic) | -10 | 10 | % | Temperature 125±2℃; testing time 1000 h | 9 | ||
| Inductance change, static humidity (HQ ceramic) | -10 | 10 | % | Humidity 90% to 95% RH, temperature 60±2℃; testing time 1000 h | 9 | ||
| Inductance change, high temperature load (HQ ceramic) | -10 | 10 | % | Applied current: rated current; temperature 125±2℃; testing time 1000 h | 9 | ||
| Inductance change, temperature shock (HQ ceramic) | -10 | 10 | % | -55℃ for 30±3 min / +125℃ for 30±3 min; 100 cycles | 9 | ||
| Q value change, high temperature load (ceramic) | -20 | 20 | % | Applied current: rated current; temperature 125±2℃; testing time 1000 h | 9 | ||
| Solder temperature difference during preheating (product surface vs solder), max | 150 | ℃ | Pre-heating; reflow soldering | 12 | |||
| Temperature difference during cooling after soldering (product vs solvent), max | 100 | ℃ | Cooling into solvent after soldering | 12 | |||
| Iron soldering temperature, max | 350 | ℃ | Manual iron soldering | 12 | |||
| Iron soldering power, max | 30 | W | Manual iron soldering | 12 | |||
| Iron soldering time, max | 5 | s | Manual iron soldering; do not touch terminal electrodes | 12 | |||
| Cleaning temperature, max | 60 | ℃ | Cleaning | 12 | |||
| Ultrasonic cleaning output power, max | 200 | W | Ultrasonic cleaning | 12 | |||
| Storage temperature | -10 | 40 | ℃ | Warehouse storage | 13 | ||
| Storage relative humidity | 30 | 70 | %RH | Warehouse storage | 13 | ||
| Storage period from inspection date, max | 1 | year | Solderability to be checked if exceeded | 13 |
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:
VHF100505HQ4N3ST - Footprint:
Inductor_SMD:L_0402_1005Metric - 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files:
vhf100505hq4n3st-etched.step/vhf100505hq4n3st-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);vhf100505hq4n3st.step/vhf100505hq4n3st.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FH Guangdong Fenghua Advanced Tech datasheet (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, primarytwo-terminal convention(convention), consensusoff(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).