# B72500T0250K060

**TDK** · Varistors · 0603

B72500T0250K060 from TDK, in a 0603. 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 | Varistor terminal for bidirectional transient voltage suppression; conducts when voltage exceeds varistor voltage VV = 39±10% V with maximum clamping voltage 67 V. |
| 2 | 2 | passive | Varistor terminal for bidirectional transient voltage suppression; conducts when voltage exceeds varistor voltage VV = 39±10% V with maximum clamping voltage 67 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TDK |
| Package | 0603 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `B72500T0250K060`
- Footprint: `Resistor_SMD:R_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `b72500t0250k060-etched.step` / `b72500t0250k060-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `b72500t0250k060.step` / `b72500t0250k060.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/8588909812335710208) (79 pp, sha256 `9a351af2269c4e94`, retrieved 2026-09-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/b72500t0250k060-datasheet.pdf)