component
B57221V2103J060
Public Made by Adomby adom
TDK NTC Thermistors, 0402. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+43@@ -0,0 +1,43 @@+# B57221V2103J060++**TDK** · NTC Thermistors · 0402++B57221V2103J060 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 | 1 | passive | Termination 1 of the two-terminal NTC thermistor. Non-polarized nickel-barrier SMD termination; resistance to termination 2 is 10 kΩ ±5% at 25 °C and decreases with temperature per R/T characteristic 8502 (B25/100 = 4000 K). |+| 2 | 2 | passive | Termination 2 of the two-terminal NTC thermistor. Non-polarized nickel-barrier SMD termination; forms the second electrode of the multilayer NTC element with resistance 10 kΩ ±5% at 25 °C, max power 150 mW (on PCB). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | TDK |+| Package | 0402 |+| Category | Sensors |+| Pins | 2 |++## Ordering variants++Same part, different packaging or reel option.++- `B57221V2103J060`++## CAD (KiCad official)++- Symbol: `B57221V2103J060`+- Footprint: `Resistor_SMD:R_0402_1005Metric`+- 3D model: 0402 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [TDK datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899127513501696) (20 pp, sha256 `b91bd0259291b820`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/b57221v2103j060-datasheet.pdf)
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