component

QN0805X104F4250FB

Public Made by Adom

by adom

QAMcn 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.

componentsensorsqn0805x104f4250fbfactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 7d ago
viewers qn0805x104f4250fb: viewers · Ray 7d ago
package.json Publish 0.1.0 · Ray 7d ago
page.json Set visibility: public · Ray 7d ago
qn0805x104f4250fb-etched.glb Publish 0.1.0 · Ray 7d ago
qn0805x104f4250fb-etched.step qn0805x104f4250fb: factory component page (tier=lcsc) · Ray 7d ago
qn0805x104f4250fb-hero.glb qn0805x104f4250fb: hero GLB from the etched model (keeps the MPN mark) · Ray 7d ago
qn0805x104f4250fb-hero.overlay.json Publish 0.1.0 · Ray 7d ago
qn0805x104f4250fb.glb Publish 0.1.0 · Ray 7d ago
qn0805x104f4250fb.kicad_mod Publish 0.1.0 · Ray 7d ago
qn0805x104f4250fb.kicad_sym Publish 0.1.0 · Ray 7d ago
qn0805x104f4250fb.lbr Publish 0.1.0 · Ray 7d ago
qn0805x104f4250fb.step Publish 0.1.0 · Ray 7d ago
README.md Publish 0.1.0 · Ray 7d ago

QN0805X104F4250FB

QAMcn · NTC Thermistors · 0805

QN0805X104F4250FB from QAMcn, 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
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
Zero-power resistance tolerance (F = ±1%) R25 -1 1 % 25℃ 2
B constant tolerance (F = ±1%), B(25/50) B25/50 -1 1 % 2
Resistance at 25℃ (R-T table, R_Min/R_Max) R25 99 100 101 kΩ R-T table at 25℃, Res TOL. 1.00% 11
Resistance at -40℃ (R-T table, R_Min/R_Max) R-40 4191.52 4397.12 4612.34 kΩ R-T table at -40℃, Res TOL. 4.89% 10
Resistance at 125℃ (R-T table, R_Min/R_Max) R125 2.407 2.522 2.643 kΩ R-T table at 125℃, Res TOL. 4.79% 13
Operating ambient temperature -40 125 ℃ Operating ambient temperature 2
Storage temperature -10 40 ℃ Storage 8
Storage relative humidity 75 %RH Storage, ≤75%RH 8
Resistance change after dry heat storage ΔR25/R25 5 % 125±5℃ in air, 1000±24 h, no load; printed /ΔR25/R25/ ≤5% 5
B constant change after dry heat storage ΔB/B 2 % 125±5℃ in air, 1000±24 h, no load; printed /ΔB/B/ ≤2% 5
Resistance change after temperature cycling ΔR25/R25 3 % 5 cycles -40℃ to 125℃, no load; printed /ΔR25/R25/ ≤3% 5
B constant change after temperature cycling ΔB/B 2 % 5 cycles -40℃ to 125℃, no load; printed /ΔB/B/ ≤2% 5
Resistance change after resistance to soldering heat ΔR25/R25 5 % 260±5℃, 10±1 s; printed /ΔR25/R25/ ≤5% 5
B constant change after resistance to soldering heat ΔB/B 2 % 260±5℃, 10±1 s; printed /ΔB/B/ ≤2% 5
Resistance change after resistance to cold ΔR25/R25 5 % -40±3℃ in air, 1000±24 h, no load; printed /ΔR25/R25/ ≤5% 6
B constant change after resistance to cold ΔB/B 2 % -40±3℃ in air, 1000±24 h, no load; printed /ΔB/B/ ≤2% 6
Resistance change after resistance to damp heat ΔR25/R25 3 % 40±2℃, 90~95%RH, 1000±24 h, no load; printed /ΔR25/R25/ ≤3% 6
B constant change after resistance to damp heat ΔB/B 2 % 40±2℃, 90~95%RH, 1000±24 h, no load; printed /ΔB/B/ ≤2% 6
Resistance change after high temperature load ΔR25/R25 5 % 85±2℃ in air, permissive operating current, 1000±48 h; printed /ΔR25/R25/ ≤5% 6
B constant change after high temperature load ΔB/B 2 % 85±2℃ in air, permissive operating current, 1000±48 h; printed /ΔB/B/ ≤2% 6
Resistance change after resistance to flexure ΔR25/R25 5 % 0805, bend 2 mm, 10±1 s; printed /ΔR25/R25/ ≤5% 4
Nominal zero-power resistance R25 100 kΩ 25℃ 2
Nominal B constant B(25/50) B25/50 4250 K 25/50℃ 2
Nominal B constant B(25/85) B25/85 4310 K 25/85℃ 2
Dissipation factor δ 0.14 mW/℃ 2
Permissible operating current 2 mA 25℃ 2
Rated electric power 100 mW 25℃ 2
Thermal time constant 5 s printed ＜5 s 2

CAD (KiCad official)

  • Symbol: QN0805X104F4250FB
  • Footprint: Resistor_SMD:R_0805_2012Metric
  • 3D model: 0805 (KiCad packages3D, STEP)
  • 3D model files: qn0805x104f4250fb-etched.step / qn0805x104f4250fb-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); qn0805x104f4250fb.step / qn0805x104f4250fb.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: QAMcn datasheet (13 pp, sha256 1c8bcbff66081bce, retrieved 2026-10-14, 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