# MF006FF220JA50

**UNI ROYAL Uniroyal Elec** · Through Hole Resistors · R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal

MF006FF220JA50 from UNI ROYAL Uniroyal Elec, in a R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal. 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 resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | UNI ROYAL Uniroyal Elec |
| Package | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal |
| Category | Resistors |
| 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 |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (MPN digit 6 = F) |  | -1 |  | 1 | % |  | 2 |
| Temperature coefficient (MPN digit 7 = F) |  | -50 |  | 50 | PPM/℃ | MF 0.6WS, ±1% tolerance, 10Ω~1MΩ | 5 |
| Resistance range lower limit, ±1% standard | R | 10 |  |  | Ω | MF 0.6WS, ±1% standard, printed range 10Ω~1MΩ | 5 |
| Resistance range upper limit, ±1% standard | R |  |  | 1 | MΩ | MF 0.6WS, ±1% standard, printed range 10Ω~1MΩ | 5 |
| Power rating (wattage code 06 = 0.6W-S) | P |  |  | 0.6 | W | Constant from -55℃ to 70℃ ambient; derates to zero from 70℃ to 155℃ | 3 |
| Max working voltage (MF 0.6WS) |  |  |  | 250 | V |  | 4 |
| Max overload voltage (MF 0.6WS) |  |  |  | 500 | V |  | 4 |
| Dielectric withstanding voltage (MF 0.6WS) |  |  |  | 500 | V | AC potential as specified in test list, for 60-70 seconds | 4 |
| Ambient temperature range (power derating curve) | T | -55 |  | 155 | ℃ | Power rating derates to zero from 70℃ to 155℃ | 5 |
| Short-time overload ΔR/R (printed ±(0.5%+0.05 Ω); % part only) | ΔR/R | -0.5 |  | 0.5 | % | Potential of 2.5 times RCWV or Max. Overload Voltage whichever less for 5 seconds | 6 |
| Pulse overload ΔR/R (printed ±(1%+0.05); % part only) | ΔR/R | -1 |  | 1 | % | 10,000 cycles (1 second ON, 25 seconds OFF) at 4 times RCWV or Max. Overload whichever less | 6 |
| Resistance to soldering heat ΔR/R (printed ±(1%+0.05 Ω); % part only) | ΔR/R | -1 |  | 1 | % | Leads immersed 2.0-2.5mm from body in 260℃±5℃ solder for 10±1 seconds | 6 |
| Rapid change of temperature ΔR/R (printed ±(1%+0.05 Ω); % part only) | ΔR/R | -1 |  | 1 | % | 30 min at -55℃ and 30 min at 155℃; 100 cycles | 6 |
| Load life in humidity ΔR/R (normal type) | ΔR/R | -1.5 |  | 1.5 | % | 1,000 hours (1.5 hours ON, 0.5 hour OFF) at RCWV or Max. Working Voltage whichever less, 40℃±2℃ and 90 to 95% relative humidity | 6 |
| Load life ΔR/R (normal type) | ΔR/R | -1.5 |  | 1.5 | % | 1,000 hours operating at RCWV or Max. Working Voltage whichever less, duty 1.5 hours ON, 0.5 hour OFF at 70℃±2℃ ambient | 6 |
| Low temperature storage ΔR/R (normal type) | ΔR/R | -1.5 |  | 1.5 | % | -55℃, for 2H | 6 |
| High temperature exposure ΔR/R (normal type) | ΔR/R | -1.5 |  | 1.5 | % | 155℃, for 16H | 6 |
| Solderability coverage |  | 95 |  |  | % | Solder test temp 245℃±3℃, dwell time 2~3 seconds | 6 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | tin | 4 Lead Wire Tin solder coated copper wire | 5 |

## CAD (KiCad official)

- Symbol: `MF006FF220JA50`
- Footprint: `Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal`
- 3D model: R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [UNI ROYAL Uniroyal Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756509547706236928) (8 pp, sha256 `58cca3f1fd846c5b`, retrieved 2026-11-06, 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/mf006ff220ja50-datasheet.pdf)