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A4

Wild Goose · Diodes - General Purpose · SOD-123FL

A4 from Wild Goose, 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 A4 rectifier, which the datasheet marks as pin 1 on the SOD-123FL package; the A4 maximum repetitive peak reverse voltage (VRRM) is 400 V in the family rating table.
2 Anode passive Anode terminal of the A4 rectifier, which the datasheet marks as pin 2 on the SOD-123FL package; the A4 is rated for 1 A average forward rectified current.

Key specifications

Parameter Value
Manufacturer Wild Goose
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 Repetitive Peak Reverse Voltage VRRM 400 V 1
Maximum RMS Voltage VRMS 280 V 1
Maximum DC Blocking Voltage VDC 400 V 1
Maximum Average Forward Rectified Current IF(AV) 1 A at T = 125 °C 1
Peak Forward Surge Current IFSM 30 A 8.3 ms single half sine wave superimposed on rated load 1
Operating and Storage Temperature Range Tj, Tstg -55 150 °C 1
Maximum Instantaneous Forward Voltage VF 1.1 V at 1 A 1
Maximum DC Reverse Current IR 5 μA T = 25 °C at rated DC blocking voltage 1
Maximum DC Reverse Current IR 50 μA T = 125 °C at rated DC blocking voltage 1
Typical Junction Capacitance Cj 8 pF measured at 1 MHz and applied reverse voltage of 4 V DC 1
Typical Thermal Resistance RθJA 90 °C/W 1

CAD (KiCad official)

  • Symbol: A4
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123FL (KiCad packages3D, STEP)
  • 3D model files: a4-etched.step / a4-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); a4.step / a4.glb are the bare package body.

Provenance

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

  • Datasheet: Wild Goose datasheet (3 pp, sha256 f187d40f311afd06, 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