# CM4532331KSB

**ABC(千如)** · Power Inductors · 1812

CM4532331KSB from ABC(千如), in a 1812. 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 inductor or ferrite bead; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised inductor or ferrite bead; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ABC(千如) |
| Package | 1812 |
| Category | Inductors, Coils, Chokes |
| 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 |
|---|---|---|---|---|---|---|---|
| Inductance tolerance (K code) |  | -10 |  | 10 | % | K = ±10% (tolerance code in MPN; J=±5%, K=±10%, M=±20%) | 2 |
| DC resistance | RDC |  |  | 14 | Ω |  | 2 |
| Rated current (saturation) | IDC |  |  | 85 | mA |  | 2 |
| Quality factor | Q | 4 |  |  |  | Test freq 0.796 MHz | 2 |
| Inductance | L |  | 330 |  | µH | Test freq 0.796 MHz | 2 |
| Temperature rise |  |  |  | 20 | ℃ | Applied rated current for 10 minutes | 6 |
| Insulation resistance | IR | 1000 |  |  | MΩ | 100 V DC applied between terminal and coating for 1 minute | 6 |
| Operating temperature |  | -40 |  | 125 | ℃ |  | 1 |
| Ambient temperature |  |  |  | 100 | ℃ |  | 1 |
| Storage temperature |  | 5 |  | 30 | ℃ | Storage period less than 12 months | 7 |
| Storage humidity |  | 10 |  | 60 | %RH | Storage, humidity 10 to 60% RH or less | 7 |
| Reflow peak temperature |  |  |  | 250 | ℃ | Reflow profile, peak temperature | 1 |
| Resistance to solder heat |  |  |  | 260 | ℃ | 10 seconds | 1 |

## CAD (KiCad official)

- Symbol: `CM4532331KSB`
- Footprint: `Inductor_SMD:L_1812_4532Metric`
- 3D model: 1812 (KiCad packages3D, STEP)
- 3D model files: `cm4532331ksb-etched.step` / `cm4532331ksb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cm4532331ksb.step` / `cm4532331ksb.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ABC(千如) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756597483218571264) (7 pp, sha256 `c6acc6e6b144325a`, retrieved 2026-10-17, 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/cm4532331ksb-datasheet.pdf)