MF0S4FF5102A50
Public Made by Adomby adom
UNI ROYAL Uniroyal Elec Through Hole Resistors, 插件,D1.9xL3.3mm. 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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README
markdownMF0S4FF5102A50
UNI ROYAL Uniroyal Elec · Through Hole Resistors · R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal
MF0S4FF5102A50 from UNI ROYAL Uniroyal Elec, in a R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_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_DIN0204_L3.6mm_D1.6mm_P7.62mm_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 | -1 | 1 | % | Part-number code F = ±1% | 2 | ||
| Temperature coefficient (TCR) | -50 | 50 | ppm/℃ | Code F = 50PPM; MF 1/4WS ±1% row, 10Ω~1MΩ | 5 | ||
| Max working voltage | 200 | V | MF 1/4WS, rated continuous working voltage | 4 | |||
| Max overload voltage | 400 | V | MF 1/4WS | 4 | |||
| Dielectric withstanding voltage | 400 | V | MF 1/4WS | 4 | |||
| Ambient temperature range (power rating) | -55 | 155 | ℃ | Full power constant from -55 to 70℃; derates to zero from 70 to 155℃ | 5 | ||
| Short-time overload ΔR/R | 0.5 | % | ±(0.5%+0.05 Ω); 2.5× RCWV or max overload, whichever lower, 5 s | 6 | |||
| Pulse overload ΔR/R | 1 | % | ±(1%+0.05); 10,000 cycles (1 s ON, 25 s OFF) at 4× RCWV | 6 | |||
| Resistance to soldering heat ΔR/R | 1 | % | ±(1%+0.05 Ω); 260±5℃ solder, 10±1 s | 6 | |||
| Rapid change of temperature ΔR/R | 1 | % | ±(1%+0.05 Ω); -55℃ and 155℃, 30 min each, 100 cycles | 6 | |||
| Load life in humidity ΔR/R | 1.5 | % | Normal type; 40±2℃, 90 to 95% RH, 1,000 h, RCWV | 6 | |||
| Load life ΔR/R | 1.5 | % | Normal type; 70±2℃, 1,000 h, 1.5 h ON / 0.5 h OFF at RCWV | 6 | |||
| Low temperature storage ΔR/R | 1.5 | % | Normal type; -55℃, 2 h | 6 | |||
| High temperature exposure ΔR/R | 1.5 | % | Normal type; 155℃, 16 h | 6 | |||
| Solderability coverage | 95 | % | Coverage must be over 95% | 6 | |||
| Rated power | 0.25 | W | Printed as 1/4W (code S4 = 1/4W-S) | 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:
MF0S4FF5102A50 - Footprint:
Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal - 3D model: R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UNI ROYAL Uniroyal Elec datasheet (8 pp, sha256
58cca3f1fd846c5b, 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).