# MPZ2012S102ATD25

**TDK** · Ferrite Beads · 0805

MPZ2012S102ATD25 from TDK, 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 | 1 | passive | One of two interchangeable terminal electrodes of the series bead (1000 Ω ±25% at 100 MHz, 0.150 Ω max DC resistance, 1.5 A max rated current). |
| 2 | 2 | passive | The other of two interchangeable terminal electrodes of the series bead (1000 Ω ±25% at 100 MHz, 0.150 Ω max DC resistance, 1.5 A max rated current). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TDK |
| Package | 0805 |
| Category | Filters |
| 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 |
|---|---|---|---|---|---|---|---|
| Impedance |  |  | 1000 |  | Ω | at 100MHz | 1 |
| Impedance tolerance |  | -25 |  | 25 | % |  | 1 |
| DC resistance |  |  |  | 0.15 | Ω |  | 1 |
| Rated current |  |  |  | 1.5 | A | max.; derate per rated current vs. temperature graph above 85°C | 1 |
| Operating temperature range |  | -55 |  | 125 | °C | Operating temperature range | 3 |
| Storage temperature range (after assembly) |  | -55 |  | 125 | °C | storage temperature range, after assembly | 3 |
| Storage temperature (before assembly) |  | 5 |  | 40 | °C | storage conditions; storage period within 12 months | 4 |
| Storage humidity (before assembly) |  | 10 |  | 75 | %RH | or less | 4 |

## CAD (KiCad official)

- Symbol: `MPZ2012S102ATD25`
- Footprint: `Inductor_SMD:L_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `mpz2012s102atd25-etched.step` / `mpz2012s102atd25-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mpz2012s102atd25.step` / `mpz2012s102atd25.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/8559368613821251584) (4 pp, sha256 `143ae0aef04553d1`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+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/mpz2012s102atd25-datasheet.pdf)