component

RS1AFA

Public Made by Adom

by adom

onsemi Fast Recovery / High Efficiency Diodes, SOD-123 FL. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 10d ago
viewers rs1afa: viewers · Ray 10d ago
package.json Publish 0.1.0 · Ray 10d ago
page.json Set visibility: public · Ray 10d ago
README.md Publish 0.1.0 · Ray 10d ago
rs1afa-etched.glb Publish 0.1.0 · Ray 10d ago
rs1afa-etched.step rs1afa: factory component page (tier=lcsc) · Ray 10d ago
rs1afa-hero.glb rs1afa: hero GLB from the etched model (keeps the MPN mark) · Ray 10d ago
rs1afa-hero.overlay.json Publish 0.1.0 · Ray 10d ago
rs1afa.glb Publish 0.1.0 · Ray 10d ago
rs1afa.kicad_mod Publish 0.1.0 · Ray 10d ago
rs1afa.kicad_sym Publish 0.1.0 · Ray 10d ago
rs1afa.lbr Publish 0.1.0 · Ray 10d ago
rs1afa.step Publish 0.1.0 · Ray 10d ago

RS1AFA

onsemi · Fast Recovery / High Efficiency Diodes · SOD-123 FL

RS1AFA from onsemi, in a SOD-123 FL. 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, identified on the package by the color band; the datasheet states no pin-specific electrical limits for it.
2 Anode passive Anode terminal of the rectifier; the datasheet states no pin-specific electrical limits for it.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOD-123 FL
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
Repetitive Peak Reverse Voltage VRRM 50 V 2
RMS Reverse Voltage VRMS 35 V 2
DC Blocking Voltage VR 50 V 2
Average Forward Rectified Current IF(AV) 0.8 A 2
Peak Forward Surge Current IFSM 30 A 8.3 ms Single Half Sine-Wave Superimposed on Rated Load 2
Operating Junction Temperature Range TJ -55 150 °C 2
Storage Temperature Range TSTG -55 150 °C 2
Instantaneous Forward Voltage VF 1.3 V IF = 0.8 A 2
Reverse Current at Rated VR IR 5 A TJ = 25°C 2
Reverse Current at Rated VR IR 50 A TJ = 125°C 2
Reverse Recovery Time (RS1AFA, RS1BFA, RS1DFA row) Trr 150 ns IF = 0.5 A, IR = 1 A, Irr = 0.25 A 2
Typical Junction-to-Lead Thermal Resistance JL 32 °C/W Note 1: device mounted on 5 mm x 5 mm Cu pad PCB 2
Typical Thermal Resistance, Junction-to-Ambient RJA 105 °C/W Note 1: device mounted on 5 mm x 5 mm Cu pad PCB 2

CAD (KiCad official)

  • Symbol: RS1AFA
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 FL (KiCad packages3D, STEP)
  • 3D model files: rs1afa-etched.step / rs1afa-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); rs1afa.step / rs1afa.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (5 pp, sha256 5997639e6914c1cb, 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