component
VHF100505HQ3N9ST
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
markdownVHF100505HQ3N9ST
FH Guangdong Fenghua Advanced Tech · Inductors (SMD) · 0402
VHF100505HQ3N9ST 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 (S level, code in MPN) | -0.3 | 0.3 | nH | S = ±0.3nH per tolerance code; MPN suffix 'ST' = S tolerance + T tape and reel | 4 | ||
| Nominal inductance | L | 3.9 | nH | 5 | |||
| 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 after resistance to soldering heat | ΔL/L | -10 | 10 | % | Solder 260±5℃, immersion 10±1s | 7 | |
| Q value change after resistance to soldering heat (ceramic) | ΔQ/Q | -20 | 20 | % | Solder 260±5℃, immersion 10±1s | 7 | |
| Inductance change after low temperature resistance | ΔL/L | -10 | 10 | % | Test temperature -55±2℃, 1000 +24/-0 h | 8 | |
| Q value change after low temperature resistance (ceramic) | ΔQ/Q | -20 | 20 | % | Test temperature -55±2℃, 1000 +24/-0 h | 8 | |
| Inductance change after vibration | ΔL/L | -10 | 10 | % | Amplitude 1.5mm, 10-55-10Hz, 2h in each of 3 perpendicular directions | 8 | |
| Q value change after vibration (ceramic) | ΔQ/Q | -20 | 20 | % | Amplitude 1.5mm, 10-55-10Hz, 2h in each of 3 perpendicular directions | 8 | |
| Inductance change after high temperature resistance | ΔL/L | -10 | 10 | % | Test temperature 125±2℃, 1000 +24/-0 h | 9 | |
| Q value change after high temperature resistance (ceramic) | ΔQ/Q | -20 | 20 | % | Test temperature 125±2℃, 1000 +24/-0 h | 9 | |
| Inductance change after static humidity test | ΔL/L | -10 | 10 | % | 90-95% RH, 60±2℃, 1000 +24/-0 h | 9 | |
| Q value change after static humidity test (ceramic) | ΔQ/Q | -20 | 20 | % | 90-95% RH, 60±2℃, 1000 +24/-0 h | 9 | |
| Inductance change after high temperature load | ΔL/L | -10 | 10 | % | Rated current applied, 125±2℃, 1000 +24/-0 h | 9 | |
| Q value change after high temperature load (ceramic) | ΔQ/Q | -20 | 20 | % | Rated current applied, 125±2℃, 1000 +24/-0 h | 9 | |
| Inductance change after temperature shock | ΔL/L | -10 | 10 | % | -55℃ 30±3 min / +125℃ 30±3 min, 100 cycles | 9 | |
| Q value change after temperature shock (ceramic) | ΔQ/Q | -20 | 20 | % | -55℃ 30±3 min / +125℃ 30±3 min, 100 cycles | 9 |
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:
VHF100505HQ3N9ST - Footprint:
Inductor_SMD:L_0402_1005Metric - 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files:
vhf100505hq3n9st-etched.step/vhf100505hq3n9st-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);vhf100505hq3n9st.step/vhf100505hq3n9st.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).