component
CMFB502J3950HANT
Public Made by Adomby adom
FH Guangdong Fenghua Advanced Tech 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.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 2d ago |
| viewers | 2d ago |
| cmfb502j3950hant-etched.glb | 2d ago |
| cmfb502j3950hant-etched.step | 2d ago |
| cmfb502j3950hant-hero.glb | 2d ago |
| cmfb502j3950hant-hero.overlay.json | 2d ago |
| cmfb502j3950hant.glb | 2d ago |
| cmfb502j3950hant.kicad_mod | 2d ago |
| cmfb502j3950hant.kicad_sym | 2d ago |
| cmfb502j3950hant.lbr | 2d ago |
| cmfb502j3950hant.step | 2d ago |
| package.json | 2d ago |
| page.json | 2d ago |
| README.md | 2d ago |
CMFB502J3950HANT
FH Guangdong Fenghua Advanced Tech · NTC Thermistors · 0805
CMFB502J3950HANT from FH Guangdong Fenghua Advanced Tech, 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 | FH Guangdong Fenghua Advanced Tech |
| 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 R25 at 25°C | R25 | 5 | KΩ | Zero-power resistance at 25°C, CMFB502 (5.0 KΩ) row | 8 | ||
| R25 tolerance (code J) | ΔR25 | -5 | 5 | % | Tolerance code J = ±5.0% of R25 per part-numbering table | 5 | |
| B value tolerance (code H) | ΔB25/50 | -3 | 3 | % | Tolerance code H = ±3.0% of B value per part-numbering table | 5 | |
| B value (B25/50) | B25/50 | 3950 | K | 8 | |||
| R25 change after resistance to soldering | R25 | -5 | 5 | % | Resistance to soldering: preheat 120-150℃ 60s, dip 260±5℃, 10±1s | 12 | |
| B-constant change after resistance to soldering | B | -2 | 2 | % | Resistance to soldering: preheat 120-150℃ 60s, dip 260±5℃, 10±1s | 12 | |
| R25 change after vibration | R25 | -5 | 5 | % | Vibration: 10Hz-55Hz-10Hz, amplitude 1.52mm, 2h in each of X/Y/Z axes | 13 | |
| B-constant change after vibration | B | -2 | 2 | % | Vibration: 10Hz-55Hz-10Hz, amplitude 1.52mm, 2h in each of X/Y/Z axes | 13 | |
| R25 change after resistance to flexure | R25 | -5 | 5 | % | Flexure on test PCB, pressing speed 0.5mm/s; camber 1.0mm for 0805/1206, held 30s | 13 | |
| B-constant change after resistance to flexure | B | -2 | 2 | % | Flexure on test PCB, pressing speed 0.5mm/s; camber 1.0mm for 0805/1206, held 30s | 13 | |
| R25 change after high temperature resistance | R25 | -5 | 5 | % | Temperature 125±2℃, testing time 1000 +24/-0 h | 13 | |
| B-constant change after high temperature resistance | B | -2 | 2 | % | Temperature 125±2℃, testing time 1000 +24/-0 h | 13 | |
| R25 change after low temperature resistance | R25 | -5 | 5 | % | Temperature -40±2℃, testing time 1000 +24/-0 h | 14 | |
| B-constant change after low temperature resistance | B | -2 | 2 | % | Temperature -40±2℃, testing time 1000 +24/-0 h | 14 | |
| R25 change after static humidity heat | R25 | -5 | 5 | % | Humidity 90% to 95% RH, temperature 60±2℃, testing time 1000 +24/-0 h | 14 | |
| B-constant change after static humidity heat | B | -2 | 2 | % | Humidity 90% to 95% RH, temperature 60±2℃, testing time 1000 +24/-0 h | 14 | |
| R25 change after thermal shock | R25 | -5 | 5 | % | Without load, 32 cycles: -40℃ 30±3 min, room temp 5±3 min, +125℃ 30±3 min, room temp 5±3 min | 14 | |
| B-constant change after thermal shock | B | -2 | 2 | % | Without load, 32 cycles: -40℃ 30±3 min, room temp 5±3 min, +125℃ 30±3 min, room temp 5±3 min | 14 | |
| Operating temperature range | -40 | 125 | ℃ | Operating temperature range (reliability testing items) | 12 |
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 laye 银Ag | 4 |
CAD (KiCad official)
- Symbol:
CMFB502J3950HANT - Footprint:
Resistor_SMD:R_0805_2012Metric - 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files:
cmfb502j3950hant-etched.step/cmfb502j3950hant-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cmfb502j3950hant.step/cmfb502j3950hant.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FH Guangdong Fenghua Advanced Tech datasheet (19 pp, sha256
f7498037fac4ee3b, retrieved 2026-10-18, 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).