component

MF0S4FF7501A50

Public Made by Adom

by 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.

componentresistorsmf0s4ff7501a50factory-2.0.0extractor-text

Verified MF0S4FF7501A50

by Ray · last 6 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

6 Nov 2026RayPublished by the parts factory: tier lcsc, 2 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: MF0S4FF7501A50 · R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: unpolarised two-terminal part: pins 1 and 2 by library convention, no names to check
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-vg52y354/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 records
  • •package_fit (skip): the datasheet dimensions give no height or body size to compare (datasheet p.4)
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ mf0s4ff7501a50.kicad_sym✓ mf0s4ff7501a50.kicad_mod✓ mf0s4ff7501a50.step
Spot something wrong? Report it as an issue Propose a fix Records are signed by members of adom.
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity

3D Model

Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

PCB Footprint

Open full view ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.

Datasheet

Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Download PDF
Contents

README

markdown

MF0S4FF7501A50

UNI ROYAL Uniroyal Elec · Through Hole Resistors · R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal

MF0S4FF7501A50 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 (code F) -1 1 % 2
Temperature coefficient, ±1% series, 10Ω~1MΩ -50 50 PPM/℃ ±1% tolerance, 10Ω~1MΩ range, MF 1/4WS 5
Max working voltage (MF 1/4WS) 200 V 4
Max overload voltage (MF 1/4WS) 400 V 4
Short-time overload resistance change ΔR/R 0.5 % Plus 0.05 Ω; 2.5×RCWV or max overload voltage, whichever lower, for 5 s 6
Pulse overload resistance change ΔR/R 1 % Plus 0.05 (no unit printed); 10,000 cycles, 1 s ON / 25 s OFF, at 4×RCWV or max overload, whichever less 6
Resistance to soldering heat resistance change ΔR/R 1 % Plus 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 resistance change ΔR/R 1 % Plus 0.05 Ω; 30 min at -55℃ and 30 min at 155℃; 100 cycles 6
Load life in humidity resistance change (normal type) ΔR/R 1.5 % Normal type; 1,000 h (1.5 h ON, 0.5 h OFF) at RCWV or max working voltage, 40±2℃, 90-95% RH 6
Load life resistance change (normal type) ΔR/R 1.5 % Normal type; 1,000 h (1.5 h ON, 0.5 h OFF) at RCWV or max working voltage, 70±2℃ ambient 6
Low temperature storage resistance change (normal type) ΔR/R 1.5 % Normal type; -55℃ for 2 H 6
High temperature exposure resistance change (normal type) ΔR/R 1.5 % Normal type; 155℃ for 16 H 6
Solderability coverage 95 % Solder temp 245±3℃, dwell time 2-3 seconds 6
Operating (derating) ambient temperature range -55 155 ℃ Ambient temperature range for the power derating curve 5
Rated power (MF 1/4WS) P 0.25 W Constant from -55 to 70℃, derates to zero from 70 to 155℃ 5

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: MF0S4FF7501A50
  • 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, 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