component
QN0805X103F3435FA
Public Made by Adomby adom
QAMcn(恭成科技) NTC Thermistors, 0805. 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
markdownQN0805X103F3435FA
QAMcn(恭成科技) · NTC Thermistors · 0805
QN0805X103F3435FA from QAMcn(恭成科技), in a 0805. 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 resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | QAMcn(恭成科技) |
| Package | 0805 |
| Category | Sensors |
| 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 |
|---|---|---|---|---|---|---|---|
| Resistance at 25℃ (R_Min / R_Cent / R_Max) | R25 | 9.9 | 10 | 10.1 | kΩ | Zero-power at 25℃; ambient 25±0.05℃, measuring power ≤0.1mW | 13 |
| Resistance tolerance (code F) | -1 | 1 | % | 3 | |||
| B constant (25/85℃) | B25/85 | 3435 | K | B constant calculation method A (25℃&85℃) | 3 | ||
| B constant tolerance (code F) | -1 | 1 | % | 3 | |||
| Permissible operating current | 0.44 | mA | 25℃; measured in still air, as single unit without mounting | 3 | |||
| Dissipation factor | 2 | mW/℃ | Measured at 25℃ in still air, single unit without mounting | 3 | |||
| Thermal time constant | 5 | s | Measured at 25℃ in still air, single unit without mounting (printed as <5) | 3 | |||
| Rated electric power | 100 | mW | 25℃ ambient, still air | 3 | |||
| Operating ambient temperature | -40 | 125 | ℃ | 3 | |||
| Short-time applied power limit | 10 | mW | Applied in short time at 25℃ still air; rapid self-heating may cause unexpected failure | 5 | |||
| Reflow peak temperature | 260 | ℃ | Reflow soldering peak, max 10 s | 10 | |||
| Resistance change after reliability tests | ΔR25/R25 | 2 | % | After reliability tests (solder heat, temperature cycling, dry heat, cold, damp heat, high-temperature load) | 6 | ||
| B constant change after reliability tests | ΔB/B | 1 | % | After reliability tests (solder heat, temperature cycling, dry heat, cold, damp heat, high-temperature load) | 6 |
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 |
|---|---|---|---|---|
| housing | PC | The current that keep body temperature of chip NTC on the PC board in still air | 5 |
CAD (KiCad official)
- Symbol:
QN0805X103F3435FA - Footprint:
Resistor_SMD:R_0805_2012Metric - 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files:
qn0805x103f3435fa-etched.step/qn0805x103f3435fa-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);qn0805x103f3435fa.step/qn0805x103f3435fa.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: QAMcn(恭成科技) datasheet (15 pp, sha256
0c80dc9a55a29b1f, 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, 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).