# MFR2WSFTF73-1R

**YAGEO** · Through Hole Resistors · R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal

MFR2WSFTF73-1R from YAGEO, in a R_Axial_DIN0414_L11.9mm_D4.5mm_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 | YAGEO |
| Package | R_Axial_DIN0414_L11.9mm_D4.5mm_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 |
|---|---|---|---|---|---|---|---|
| Nominal resistance (part-number code 1R) | R |  | 1 |  | Ω | Code 1R in MPN (resistance value field) | 2 |
| Resistance tolerance (code F) |  | -1 |  | 1 | % | Tolerance code F = ±1% | 2 |
| Temperature coefficient of resistance (code F) | TCR | -100 |  | 100 | ppm/°C | Code F = ±100ppm/°C | 2 |
| Resistance range (lower limit) | R | 1 |  |  | Ω | E24 & E96 series value | 3 |
| Resistance range (upper limit) | R |  |  | 4.7 | MΩ | Printed as 4M7Ω; E24 & E96 series value | 3 |
| Power rating | P |  |  | 2 | W | At 70 °C (MFR2WS, code 2WS = 2W) | 3 |
| Maximum working voltage |  |  |  | 500 | V | MFR2WS column | 3 |
| Maximum overload voltage |  |  |  | 1000 | V | MFR2WS column | 3 |
| Voltage proof on insulation |  |  |  | 1000 | V | MFR2WS column; V-Block 60 s, IEC 60115-1 4.7 | 3 |
| Operating temperature range (lower) | T | -55 |  |  | °C | Operating Temp. Range | 3 |
| Operating temperature range (upper) | T |  |  | 155 | °C | Operating Temp. Range | 3 |
| Insulation resistance |  | 10000 |  |  | MΩ | In V-Block for 60 sec. (IEC 60115-1 4.6) | 4 |
| Short time overload ΔR | ΔR | -0.25 |  | 0.25 | %+0.05Ω | 2.5 times RCWV for 5 sec. (not more than max overload voltage) | 4 |
| Periodic-pulse overload ΔR | ΔR | -1 |  | 1 | %+0.05Ω | 4 times RCWV, 10,000 cycles (1 s on, 25 s off) | 4 |
| Damp heat steady state ΔR | ΔR | -1.5 |  | 1.5 | %+0.05Ω | 40±2°C, 90-95% RH for 56 days, loaded with 0.1 times RCWV | 4 |
| Endurance at 70°C ΔR | ΔR | -1.5 |  | 1.5 | %+0.05Ω | 70±2°C at RCWV (or Umax., whichever less) for 1,000 Hr. (1.5 Hr. on, 0.5 Hr. off) | 4 |
| Temperature cycling ΔR | ΔR | -0.75 |  | 0.75 | %+0.05Ω | -55°C to +155°C to room temp, 5 cycles | 4 |
| Resistance to soldering heat ΔR | ΔR | -0.25 |  | 0.25 | %+0.05Ω | 260±3°C for 10±1 Sec., immersed to 3±0.5mm from body | 4 |

## CAD (KiCad official)

- Symbol: `MFR2WSFTF73-1R`
- Footprint: `Resistor_THT:R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal`
- 3D model: R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [YAGEO datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755414928742600704) (17 pp, sha256 `b460acdb47646977`, 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/mfr2wsftf73-1r-datasheet.pdf)