# MF0W2JJ0100A10

**UNI ROYAL Uniroyal Elec** · Through Hole Resistors · R_Axial_DIN0411_L9.9mm_D3.6mm_P15.24mm_Horizontal

MF0W2JJ0100A10 from UNI ROYAL Uniroyal Elec, in a R_Axial_DIN0411_L9.9mm_D3.6mm_P15.24mm_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_DIN0411_L9.9mm_D3.6mm_P15.24mm_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 |
|---|---|---|---|---|---|---|---|
| Working voltage (MPN code W2, 1/2W normal size) |  |  |  | 350 | V | MF 1/2W standard type, max working voltage (dimension table) | 4 |
| Max overload voltage (MPN code W2, 1/2W) |  |  |  | 700 | V | MF 1/2W; applied 5 s at 2.5×RCWV or this value, whichever is lower | 4 |
| Dielectric withstanding voltage (MPN code W2, 1/2W) |  |  |  | 700 | V | MF 1/2W; AC test potential, 60-70 s, resistor clamped in 90° V-block | 4 |
| Resistance tolerance (MPN code J, digit 6) |  | -5 |  | 5 | % | Tolerance code J = ±5% | 2 |
| Temperature coefficient (MPN code J, digit 7) | TCR | -200 |  | 200 | PPM/℃ | Code J = ±200PPM; reference +25℃, test -55℃ or 125℃ | 2 |
| Ambient temperature range for power rating (derating) |  | -55 |  | 155 | ℃ | Power rating derating curve; ambient range -55℃ to 155℃ | 5 |
| Full-rated power ambient temperature limit |  |  |  | 70 | ℃ | Power constant from -55℃ to 70℃; derates to zero from 70℃ to 155℃ | 5 |
| Short-time overload ΔR/R | ΔR/R | -0.5 |  | 0.5 | % | ΔR/R ≤ ±(0.5% + 0.05 Ω); 2.5×RCWV or max overload voltage for 5 s; no mechanical damage | 6 |
| Pulse overload ΔR/R | ΔR/R | -1 |  | 1 | % | ΔR/R ≤ ±(1% + 0.05); 10,000 cycles (1 s ON, 25 s OFF) at 4×RCWV or max overload | 6 |
| Resistance to soldering heat ΔR/R | ΔR/R | -1 |  | 1 | % | ΔR/R ≤ ±(1% + 0.05 Ω); leads immersed 2.0-2.5 mm from body in 260℃±5℃ solder for 10±1 s | 6 |
| Rapid change of temperature ΔR/R | ΔR/R | -1 |  | 1 | % | ΔR/R ≤ ±(1% + 0.05 Ω); 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 | % | ΔR/R ≤ ±1.5%; 1,000 h (1.5 h ON, 0.5 h OFF) at RCWV, 40℃±2℃, 90-95% RH | 6 |
| Load life ΔR/R (normal type) | ΔR/R | -1.5 |  | 1.5 | % | ΔR/R ≤ ±1.5%; 1,000 h (1.5 h ON, 0.5 h OFF) at RCWV, 70℃±2℃ ambient | 6 |
| Low temperature storage ΔR/R (normal type) | ΔR/R | -1.5 |  | 1.5 | % | ΔR/R ≤ ±1.5%; -55℃, 2 h (IEC 60068-2-1 Aa) | 6 |
| High temperature exposure ΔR/R (normal type) | ΔR/R | -1.5 |  | 1.5 | % | ΔR/R ≤ ±1.5%; 155℃, 16 h (MIL-STD-202 108A) | 6 |
| Nominal resistance (MPN digits 8-11: 10, multiplier 0) | R |  | 10 |  | Ω | E-24 series code 0, significant figures 10, zeros 0 = 10Ω | 2 |

## 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: `MF0W2JJ0100A10`
- Footprint: `Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P15.24mm_Horizontal`
- 3D model: R_Axial_DIN0411_L9.9mm_D3.6mm_P15.24mm_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/8756509088173690880) (8 pp, sha256 `58cca3f1fd846c5b`, retrieved 2026-11-07, 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/mf0w2jj0100a10-datasheet.pdf)