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1N4148WS-AU_R1_000A1

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PANJIT International Switching Diodes, SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1N4148WS-AU_R1_000A1

PANJIT International · Switching Diodes · SOD-323

1N4148WS-AU_R1_000A1 from PANJIT International, in a SOD-323. 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 K passive Cathode, marked by the color band on the package; reverse voltage rated 75 V (VR) and peak reverse voltage 100 V (VRM).
2 A passive Anode; maximum average forward current is 200 mA (IF(AV)) with maximum VF of 1.25 V at 150 mA.

Key specifications

Parameter Value
Manufacturer PANJIT International
Package SOD-323
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
Reverse voltage VR 75 V 1
Maximum dc blocking voltage VDC 75 V 1
Peak reverse voltage VRM 100 V 1
RMS voltage VRMS 50 V 1
Maximum average forward current IF(AV) 200 mA TA=25oC 1
Peak forward surge current IFSM 4 A pulse width 0.001 ms 1
Peak forward surge current IFSM 1.5 A pulse width 10 ms 1
Peak forward surge current IFSM 0.5 A pulse width 1 s 1
Power dissipation derate above 25oC PD 250 mW derate above 25oC 1
Maximum forward voltage VF 0.715 V @1mA 1
Maximum forward voltage VF 0.855 V @10mA 1
Maximum forward voltage VF 1 V @50mA 1
Maximum forward voltage VF 1.25 V @150mA 1
Maximum dc reverse current at rated dc blocking voltage IR 0.025 A @20V 1
Maximum dc reverse current at rated dc blocking voltage IR 2.5 A @75V 1
Junction capacitance CJ 1.5 pF Measured at 1MHz and applied VR=0V 1
Maximum reverse recovery time TRR 4 ns Note 3: from IF=10mA to IR=1mA, VR=6V, RL=100Ω 1
Typical thermal resistance junction to ambient (Note 1) RθJA 500 oC/W Note 1: FR4, single-sided copper, 50 x 15mm PCB 1
Typical thermal resistance junction to ambient (Note 2) RθJA 650 oC/W Note 2: FR4, single-sided copper, mini pad 1
Typical thermal resistance junction to case RθJC 280 oC/W Note 4: FR-4 PCB, single-sided copper, mini pad, 100cm2 copper pad area 1
Typical thermal resistance junction to lead RθJL 400 oC/W Note 4: FR-4 PCB, single-sided copper, mini pad, 100cm2 copper pad area 1
Operating and storage temperature range TJ, TSTG -55 150 oC 1

CAD (KiCad official)

  • Symbol: 1N4148WS-AU_R1_000A1
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: 1n4148ws-au-r1-000a1-etched.step / 1n4148ws-au-r1-000a1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1n4148ws-au-r1-000a1.step / 1n4148ws-au-r1-000a1.glb are the bare package body.

Provenance

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

  • Datasheet: PANJIT International datasheet (4 pp, sha256 42226a03b6359367, retrieved 2026-10-31, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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