# DFE21CCNR47MELL

**Murata Electronics** · Power Inductors · 0805

DFE21CCNR47MELL from Murata Electronics, 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 | 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 | Murata Electronics |
| Package | 0805 |
| 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 |
|---|---|---|---|---|---|---|---|
| DC resistance |  |  |  | 0.029 | Ω |  | 1 |
| Rated current (based on inductance change) |  |  |  | 4800 | mA | Saturation DC current at 30% decrease of initial inductance (*1) | 1 |
| Rated current (based on temperature rise) |  |  |  | 4100 | mA | Temperature rise of 40°C (*2) | 1 |
| Operating temperature range |  | -40 |  | 125 | °C | Ambient temperature, not including self-temperature rise | 1 |
| Storage temperature range |  | -40 |  | 125 | °C |  | 1 |
| Maximum voltage |  |  |  | 20 | V | Voltage applied in impulse test (item 7.5) | 2 |
| Inductance tolerance |  | -20 |  | 20 | % |  | 1 |
| Inductance change rate after resistance to soldering heat |  | -10 |  | 10 | % | Reflow, peak 260+5/-0°C, 2 times max | 2 |
| Inductance change rate after heat resistance test |  | -10 |  | 10 | % | +125±2°C, 500 h | 3 |
| Inductance change rate after cold resistance test |  | -10 |  | 10 | % | -40±2°C, 500 h | 3 |
| Inductance change rate after humidity test |  | -10 |  | 10 | % | +40±2°C, 90% to 95% RH, 500 h | 3 |
| Inductance change rate after temperature cycle test |  | -10 |  | 10 | % | -40±2°C to +125±2°C, 100 cycles | 3 |

## CAD (KiCad official)

- Symbol: `DFE21CCNR47MELL`
- Footprint: `Inductor_SMD:L_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `dfe21ccnr47mell-etched.step` / `dfe21ccnr47mell-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dfe21ccnr47mell.step` / `dfe21ccnr47mell.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Murata Electronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590361507579404288) (9 pp, sha256 `5b387467383bd320`, 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/dfe21ccnr47mell-datasheet.pdf)