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R4001F

YFW · Diodes - General Purpose · SMA

R4001F from YFW, in a SMA. 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 Cathode passive Cathode terminal of the rectifier diode; the datasheet's pinning section lists pin 1 as Cathode for the R4000F thru R4001F SMA package.
2 Anode passive Anode terminal of the rectifier diode; the datasheet's pinning section lists pin 2 as Anode for the R4000F thru R4001F SMA package.

Key specifications

Parameter Value
Manufacturer YFW
Package SMA
Category Diodes
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
Maximum Repetitive Peak Reverse Voltage VRRM 4000 V R4001F column 1
Maximum RMS voltage VRMS 2800 V R4001F column 1
Maximum DC Blocking Voltage VDC 4000 V R4001F column 1
Maximum Average Forward Rectified Current IF(AV) 0.2 A at Tc = 125 °C 1
Peak Forward Surge Current IFSM 30 A 8.3 ms Single Half Sine Wave Superimposed on Rated Load 1
Maximum Instantaneous Forward Voltage VF 5 V at 0.2 A 1
Maximum DC Reverse Current IR 10 μA Ta = 25 °C at Rated DC Blocking Voltage 1
Maximum DC Reverse Current IR 200 μA Ta = 100 °C at Rated DC Blocking Voltage 1
Maximum reverse recovery time TRR 500 nS IF=0.5A IR=1.0A Irr=0.25A (Note 1) 1
Operating and Storage Temperature Range Tj, Tstg -55 150 °C 1

CAD (KiCad official)

  • Symbol: R4001F
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA (KiCad packages3D, STEP)
  • 3D model files: r4001f-etched.step / r4001f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); r4001f.step / r4001f.glb are the bare package body.

Provenance

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

  • Datasheet: YFW datasheet (3 pp, sha256 86daa27821cfc37a, retrieved 2026-10-15, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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