component

1N4448WS

Public Made by Adom

by adom

Yangzhou Yangjie Elec Tech Switching Diodes, SOD-323(SC-90). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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1N4448WS

Yangzhou Yangjie Elec Tech · Switching Diodes · SOD-323(SC-90)

1N4448WS from Yangzhou Yangjie Elec Tech, in a SOD-323(SC-90). 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer Yangzhou Yangjie Elec Tech
Package SOD-323(SC-90)
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
DC Blocking Voltage VR 75 V IR=100μA 1
Peak forward surge current IFSM 2 A tp=1μs 1
Average forward current IFAV 250 mA 1
Power dissipation Ptot 200 mW 1
Thermal Resistance RthJA 625 ℃/W 1
Maximum junction temperature Tj -55 150 ℃ 1
Storage temperature range Tstg -55 150 ℃ 1
Maximum Forward voltage VF 0.72 V IF=5.0mA 1
Maximum Forward voltage VF 0.855 V IF=10mA 1
Maximum Forward voltage VF 1 V IF=100mA 1
Maximum Forward voltage VF 1.25 V IF=150mA 1
Maximum Reverse current IR 25 nA VR=20V 1
Maximum Reverse current IR 30 μA VR=25V, TJ=150℃ 1
Maximum Reverse current IR 200 nA VR=75V 1
Maximum Reverse current IR 50 μA VR=75V, TJ=150℃ 1
Minimum Breakdown voltage VR 75 V IR=1μA 1
Maximum Diode capacitance CD 4 pF VR=VF=0V, f =1MHZ 1
Maximum Reverse recovery time trr 4 ns IF=10mA,Irr=0.1IR,RL=100Ω 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: 1N4448WS
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323(SC-90) (KiCad packages3D, STEP)
  • 3D model files: 1n4448ws-etched.step / 1n4448ws-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1n4448ws.step / 1n4448ws.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (4 pp, sha256 d555ddf7cec4167b, retrieved 2026-10-26, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band convention (convention), consensus off (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