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SS34FA

Public Made by Adom

by adom

onsemi Schottky Barrier Diodes (SBD), SOD-123FL. 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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README.md Publish 0.1.0 · Ray 7d ago
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ss34fa-hero.glb ss34fa: hero GLB from the etched model (keeps the MPN mark) · Ray 7d ago
ss34fa-hero.overlay.json Publish 0.1.0 · Ray 7d ago
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SS34FA

onsemi · Schottky Barrier Diodes (SBD) · SOD-123FL

SS34FA from onsemi, in a SOD-123FL. 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 SS34FA Schottky barrier rectifier, which has a repetitive peak reverse voltage (VRRM) of 40 V.
2 Anode passive Anode terminal of the SS34FA Schottky barrier rectifier; the datasheet gives no further pin-level limits for this terminal.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOD-123FL
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 Instantaneous Forward Voltage VF 0.5 V IF = 3 A 2
Maximum Reverse Current at Rated VR, TJ = 125°C IR 60 mA TJ = 125°C 2
Repetitive Peak Reverse Voltage VRRM 40 V 1
RMS Reverse Voltage VRMS 28 V 1
DC Blocking Voltage VR 40 V 1
Average Forward Rectified Current IF(AV) 3 A 1
Peak Forward Surge Current IFSM 80 A 8.3 ms single half sine-wave superimposed on rated load 1
Operating Junction Temperature Range TJ -55 125 °C 1
Storage Temperature Range TSTG -55 150 °C 1
Thermal Characteristics, Junction-to-Lead RθJL 16 °C/W Per JESD51-3 recommended thermal test board (Note 1) 1
Thermal Resistance, Junction-to-Ambient RθJA 152 °C/W Per JESD51-3 recommended thermal test board (Note 1) 1

CAD (KiCad official)

  • Symbol: SS34FA
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: ss34fa-etched.step / ss34fa-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ss34fa.step / ss34fa.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (6 pp, sha256 5d108113814a7f3c, retrieved 2026-10-21, tier: manufacturer)
  • 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