component

4148WS

Public Made by Adom

by adom

MOT Switching Diodes, SOD-323. 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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4148ws-etched.glb Publish 0.1.0 · Ray 4d ago
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4148ws-hero.glb 4148ws: hero GLB from the etched model (keeps the MPN mark) · Ray 4d ago
4148ws-hero.overlay.json Publish 0.1.0 · Ray 4d ago
4148ws.glb Publish 0.1.0 · Ray 4d ago
4148ws.kicad_mod Publish 0.1.0 · Ray 4d ago
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4148ws.lbr Publish 0.1.0 · Ray 4d ago
4148ws.step Publish 0.1.0 · Ray 4d ago
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4148WS

MOT · Switching Diodes · SOD-323

4148WS from MOT, 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 A passive Anode of the high-speed switching diode; forward voltage max 1.25V at IF=150mA, continuous forward current 150mA.
2 C passive Cathode of the high-speed switching diode; DC blocking voltage 100V, reverse current 5.0μA max at VR=75V.

Key specifications

Parameter Value
Manufacturer MOT
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
Breakdown Voltage V(BR) 100 V IR=100uA 1
Breakdown Voltage V(BR) 75 V IR=5.0uA 1
Forward Voltage VF 0.715 V IF=1mA 1
Forward Voltage VF 0.855 V IF=10mA 1
Forward Voltage VF 1 V IF=50mA 1
Forward Voltage VF 1.25 V IF=150mA 1
Reverse Current IR 25 nA VR=20V 1
Reverse Current IR 5 μA VR=75V 1
Total Capacitance CT 4 pF VR=0, f=1.0MHz 1
Reverse Recovery Time trr 4 ns IF=10mA, VR=6.0V (60mA), IRR=1.0mA, RL=100Ω 1
Peak Repetitive Reverse Voltage VRRM 100 V TA=25°C 1
Work Peak Reverse Voltage VRWM 100 V TA=25°C 1
DC Blocking Voltage VR 100 V TA=25°C 1
RMS Blocking Voltage VR(RMS) 71 V TA=25°C 1
Forward Continuous Current IO 150 mA TA=25°C 1
Average Rectified Output Current IO 100 mA TA=25°C 1
Non-repetitive Peak Forward Surge Current IFSM 2 A t=8.3ms 1
Power Dissipation PD 200 mW TA=25°C 1
Operation Junction And Storage Temperature Range TJ,TSTG -55 150 °C 1
Thermal Resistance From Junction to Ambient θJA 625 ℃/W 1

CAD (KiCad official)

  • Symbol: 4148WS
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: 4148ws-etched.step / 4148ws-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 4148ws.step / 4148ws.glb are the bare package body.

Provenance

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

  • Datasheet: MOT datasheet (3 pp, sha256 38f3041adac6c1af, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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