# CMFB104F3950FANT

**FH Guangdong Fenghua Advanced Tech** · NTC Thermistors · 0805

CMFB104F3950FANT 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 | Terminal 1 | passive | First terminal electrode (Ag with Ni/Sn plating) of the 0805 chip NTC thermistor, nonpolarized and interchangeable with the other terminal; body 2.0±0.20 mm long, with a 0.15 mm minimum terminal width M. |
| 2 | Terminal 2 | passive | Second terminal electrode (Ag with Ni/Sn plating) of the 0805 chip NTC thermistor, nonpolarized and interchangeable with the other terminal; body 1.25±0.20 mm wide and 1.25 mm max thick. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | FH Guangdong Fenghua Advanced Tech |
| Package | 0805 |
| Category | Sensors |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `CMFB104F3950FANT`
- Footprint: `Resistor_SMD:R_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `cmfb104f3950fant-etched.step` / `cmfb104f3950fant-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cmfb104f3950fant.step` / `cmfb104f3950fant.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [FH Guangdong Fenghua Advanced Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589839418502131712) (19 pp, sha256 `05beb1d9ef7d5cbd`, 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 0.3`, primary `claude-sonnet-5-5` (vision), consensus `claude-opus-5-5` (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](docs/cmfb104f3950fant-datasheet.pdf)