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1N4148WS-13-F

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

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1N4148WS-13-F

Diodes Incorporated · Switching Diode · SOD-323

1N4148WS-13-F from Diodes Incorporated, 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, the end marked by the cathode band; the diode is rated for 75 V DC blocking voltage (VR) and 150 mA average rectified output current.
2 A passive Anode; forward continuous current is rated at 300 mA (IFM) and non-repetitive peak forward surge current at 2.0 A for 1.0 µs.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
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 Breakdown Voltage V(BR)R 75 V IR = 1.0µA; @TA = +25°C 2
Forward Voltage VFM 0.715 V IF = 1.0mA; @TA = +25°C 2
Forward Voltage VFM 0.855 V IF = 10mA; @TA = +25°C 2
Forward Voltage VFM 1 V IF = 50mA; @TA = +25°C 2
Forward Voltage VFM 1.25 V IF = 150mA; @TA = +25°C 2
Peak Reverse Current IRM 1 µA VR = 75V; @TA = +25°C 2
Peak Reverse Current IRM 50 µA VR = 75V, TJ = +150°C; @TA = +25°C 2
Peak Reverse Current IRM 30 µA VR = 25V, TJ = +150°C; @TA = +25°C 2
Peak Reverse Current IRM 25 nA VR = 20V; @TA = +25°C 2
Total Capacitance CT 2 pF VR = 0, f = 1.0MHz; @TA = +25°C 2
Reverse Recovery Time tRR 4 ns IF = IR = 10mA, IRR = 0.1 x IR, RL = 100Ω; @TA = +25°C 2
Non-Repetitive Peak Reverse Voltage VRM 100 V @TA = +25°C (Note 5) 2
Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage VRRM, VRWM, VR 75 V @TA = +25°C 2
RMS Reverse Voltage VR(RMS) 53 V @TA = +25°C 2
Forward Continuous Current IFM 300 mA @TA = +25°C 2
Average Rectified Output Current IO 150 mA @TA = +25°C 2
Non-Repetitive Peak Forward Surge Current IFSM 2 A t = 1.0µs; @TA = +25°C 2
Non-Repetitive Peak Forward Surge Current IFSM 1 A t = 1.0s; @TA = +25°C 2
Power Dissipation PD 200 mW Part mounted on FR-4 PC board with 1 inch square, 2oz copper pad layout (Note 6) 2
Thermal Resistance Junction to Ambient Air RθJA 625 °C/W Note 6 (FR-4, 1 inch square, 2oz copper pad) 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2

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: Matte Tin Finish Annealed Over Alloy 42 Leadframe (Lead-Free Plating). Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: 1N4148WS-13-F
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: 1n4148ws-13-f-etched.step / 1n4148ws-13-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1n4148ws-13-f.step / 1n4148ws-13-f.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 2b40c7950fc9b288, retrieved 2026-10-23, 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