component
NT04105F3950B1F
Public Made by Adomby adom
EATON NTC Thermistors, 0402. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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NT04105F3950B1F
EATON · NTC Thermistors · 0402
NT04105F3950B1F from EATON, in a 0402. 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 | EATON |
| Package | 0402 |
| 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 (code F) | -1 | 1 | % | Resistance tolerance F = ±1% | 4 | ||
| Beta tolerance (code F) | -1 | 1 | % | Beta tolerance F = ±1% | 4 | ||
| Thermal dissipation constant | δ | 1 | mw/°C | 3 | |||
| Rated power | 100 | mw | 3 | ||||
| Thermal time constant | τ | 3 | sec | 3 | |||
| Operation temperature | -40 | 125 | °C | 4 | |||
| Resistance at 25 °C | R25 | 100 | kΩ | Nominal resistance, 25 °C | 3 | ||
| Beta value | 3950 | K | Beta type B25/50 | 3 |
CAD (KiCad official)
- Symbol:
NT04105F3950B1F - Footprint:
Resistor_SMD:R_0402_1005Metric - 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files:
nt04105f3950b1f-etched.step/nt04105f3950b1f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);nt04105f3950b1f.step/nt04105f3950b1f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: EATON datasheet (20 pp, sha256
688178e2f2dd29f8, retrieved 2026-10-21, tier: lcsc) - 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).
# NT04105F3950B1F
**EATON** · NTC Thermistors · 0402
NT04105F3950B1F from EATON, in a 0402. 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 | EATON |
| Package | 0402 |
| 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 (code F) | | -1 | | 1 | % | Resistance tolerance F = ±1% | 4 |
| Beta tolerance (code F) | | -1 | | 1 | % | Beta tolerance F = ±1% | 4 |
| Thermal dissipation constant | δ | 1 | | | mw/°C | | 3 |
| Rated power | | | | 100 | mw | | 3 |
| Thermal time constant | τ | | | 3 | sec | | 3 |
| Operation temperature | | -40 | | 125 | °C | | 4 |
| Resistance at 25 °C | R25 | | 100 | | kΩ | Nominal resistance, 25 °C | 3 |
| Beta value | | | 3950 | | K | Beta type B25/50 | 3 |
## CAD (KiCad official)
- Symbol: `NT04105F3950B1F`
- Footprint: `Resistor_SMD:R_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `nt04105f3950b1f-etched.step` / `nt04105f3950b1f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `nt04105f3950b1f.step` / `nt04105f3950b1f.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [EATON datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600543446885421056) (20 pp, sha256 `688178e2f2dd29f8`, retrieved 2026-10-21, tier: lcsc)
- **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](docs/nt04105f3950b1f-datasheet.pdf)