component
QN0603X103F3450FB
Public Made by Adomby adom
QAMcn NTC Thermistors, 0603. 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
markdownQN0603X103F3450FB
QAMcn · NTC Thermistors · 0603
QN0603X103F3450FB from QAMcn, in a 0603. 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 |
| Package | 0603 |
| 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 tolerance at 25℃ (part-number code F) | -1 | 1 | % | Tolerance of resistance, code F = ±1% (part-number position ⑤) | 2 | ||
| B constant tolerance B(25/50) (part-number code F) | -1 | 1 | % | Tolerance of B constant, code F = ±1% (part-number position ⑦) | 2 | ||
| Operating ambient temperature | -40 | 125 | ℃ | Operating ambient temperature range | 2 | ||
| Thermal time constant | 5 | s | 2 | ||||
| Rated electric power | 100 | mW | 25℃ | 2 | |||
| Resistance at -40℃ (R_Min / R_Cent / R_Max) | R_Cent | 195.784 | 203.814 | 212.153 | Kohm | R-T table, temperature -40℃ | 10 |
| Resistance at -20℃ (R_Min / R_Cent / R_Max) | R_Cent | 69.321 | 71.411 | 73.557 | Kohm | R-T table, temperature -20℃ | 10 |
| Resistance at 0℃ (R_Min / R_Cent / R_Max) | R_Cent | 27.443 | 28.007 | 28.58 | Kohm | R-T table, temperature 0℃ | 10 |
| Resistance at 25℃ (R_Min / R_Cent / R_Max) | R_Cent | 9.9 | 10 | 10.1 | Kohm | R-T table, temperature 25℃ | 11 |
| Resistance at 50℃ (R_Min / R_Cent / R_Max) | R_Cent | 4.004 | 4.081 | 4.159 | Kohm | R-T table, temperature 50℃ | 12 |
| Resistance at 85℃ (R_Min / R_Cent / R_Max) | R_Cent | 1.358 | 1.399 | 1.441 | Kohm | R-T table, temperature 85℃ | 12 |
| Resistance at 100℃ (R_Min / R_Cent / R_Max) | R_Cent | 0.904 | 0.935 | 0.967 | Kohm | R-T table, temperature 100℃ | 13 |
| Resistance at 125℃ (R_Min / R_Cent / R_Max) | R_Cent | 0.488 | 0.508 | 0.528 | Kohm | R-T table, temperature 125℃ | 13 |
| Nominal zero-power resistance | R25 | 10 | kΩ | Ambient temperature 25±0.05℃, measuring power ≤0.1mW | 2 | ||
| B constant (25/50) | B(25-50) | 3450 | K | Measured at 25±0.05℃ and 50±0.05℃ | 2 | ||
| B constant (25/85) | B(25-85) | 3500 | K | Measured at 25±0.05℃ and 85±0.05℃ | 2 | ||
| Permissible operating current | 0.31 | mA | 25℃ | 2 | |||
| Dissipation factor | 1 | mW/℃ | 2 |
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 | 4 |
CAD (KiCad official)
- Symbol:
QN0603X103F3450FB - Footprint:
Resistor_SMD:R_0603_1608Metric - 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files:
qn0603x103f3450fb-etched.step/qn0603x103f3450fb-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);qn0603x103f3450fb.step/qn0603x103f3450fb.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: QAMcn datasheet (13 pp, sha256
ae26ffa3522e296d, retrieved 2026-10-21, 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).