component
MFR-25FBF52-255K
Public Made by Adomby adom
YAGEO Through Hole Resistors, 插件,D2.4xL6.3mm. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMFR-25FBF52-255K
YAGEO · Through Hole Resistors · R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal
MFR-25FBF52-255K from YAGEO, 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 | YAGEO |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating Temp. Range | -55 | 155 | °C | 3 | |||
| Maximum Working Voltage (MFR-25 column) | 250 | V | 3 | ||||
| Maximum Overload Voltage (MFR-25 column) | 500 | V | 3 | ||||
| Insulation Resistance | 10000 | MΩ | In V-Block for 60 sec. | 4 | |||
| Resistance tolerance (code F = ±1%) | -1 | 1 | % | 2 | |||
| Temperature coefficient of resistance (code F = ±100ppm/°C) | -100 | 100 | ppm/°C | 2 | |||
| Short Time Overload ΔR (additive term +0.05Ω not expressed in unit) | -0.25 | 0.25 | % | 2.5 times RCWV for 5 sec.(Not more than maximum overload voltage) | 4 | ||
| Periodic-pulse Overload ΔR (additive term +0.05Ω not expressed in unit) | -1 | 1 | % | 4 times RCWV 10,000 cycles (1 Sec. on, 25 Sec.off) | 4 | ||
| Damp Heat Steady State ΔR (additive term +0.05Ω not expressed in unit) | -1.5 | 1.5 | % | 40±2°C,90-95% RH for 56 days, loaded with 0.1 times RCWV | 4 | ||
| Endurance at 70°C ΔR (additive term +0.05Ω not expressed in unit) | -1.5 | 1.5 | % | 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 (additive term +0.05Ω not expressed in unit) | -0.75 | 0.75 | % | -55°C to +155°C to Room Temp. (5 cycles) | 4 | ||
| Resistance to Soldering Heat ΔR (additive term +0.05Ω not expressed in unit) | -0.25 | 0.25 | % | 260±3°C for 10±1 Sec., immersed to a point 3±0.5mm from the body | 4 | ||
| Resistance Range (lower limit; upper limit printed as 4M7Ω) | 1 | Ω | Range 1Ω ~ 4M7Ω for E24 & E96 series value | 3 | |||
| Rated Power at 70 °C (printed 1/4W) | 0.25 | W | at 70 °C | 3 | |||
| Voltage Proof on Insulation (test voltage, MFR-25 column) | 500 | V | In V-Block for 60 sec. | 3 |
CAD (KiCad official)
- Symbol:
MFR-25FBF52-255K - 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: YAGEO datasheet (17 pp, sha256
b460acdb47646977, retrieved 2026-11-06, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).