# B57230V2103F260

**TDK** · NTC Thermistors · 0402

B57230V2103F260 from TDK, in a 0402. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | T1 | passive | NTC thermistor electrode termination (silver/nickel/tin); one of two interchangeable, non-polarised contacts of the 10 kΩ (±1 %) NTC element with B25/100 = 3455 K and max power 150 mW at 25 °C. |
| 2 | T2 | passive | NTC thermistor electrode termination (silver/nickel/tin); one of two interchangeable, non-polarised contacts of the 10 kΩ (±1 %) NTC element with B25/100 = 3455 K and max power 150 mW at 25 °C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TDK |
| Package | 0402 |
| Category | Sensors |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `B57230V2103F260`
- Footprint: `Resistor_SMD:R_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `b57230v2103f260-etched.step` / `b57230v2103f260-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `b57230v2103f260.step` / `b57230v2103f260.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TDK datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589834507848081408) (27 pp, sha256 `79fcc735c91490fc`, retrieved 2026-09-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-4-6` (text+vision), consensus `claude-opus-4-7` (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/b57230v2103f260-datasheet.pdf)