component

1N4148WTQ-7

Public Made by Adom

by adom

Diodes Incorporated Switching Diodes, SOD-523. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1N4148WTQ-7

Diodes Incorporated · Switching Diodes · SOD-523

1N4148WTQ-7 from Diodes Incorporated, in a SOD-523. 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 terminal, marked by the cathode band on the package, with a maximum reverse voltage VR of 80 V and a forward continuous current IFM of 250 mA.
2 A passive Anode terminal, with a forward voltage VF of 1.0 V max at IF = 50 mA and an average rectified output current IO of 125 mA.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOD-523
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
Non-Repetitive Peak Reverse Voltage VRM 100 V 2
Reverse Voltage VR 80 V 2
RMS Reverse Voltage VR(RMS) 53 V 2
Forward Continuous Current IFM 250 mA 2
Average Rectified Output Current IO 125 mA 2
Non-Repetitive Peak Forward Surge Current IFSM 2 A t = 1.0μs 2
Non-Repetitive Peak Forward Surge Current IFSM 1 A t = 100ms 2
Power Dissipation PD 150 mW Note 6 2
Thermal Resistance Junction to Ambient Air RθJA 833 °C/W Note 6 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Reverse Breakdown Voltage V(BR)R 75 V IR = 1.0μA 2
Forward Voltage VF 0.715 V IF = 1.0mA 2
Forward Voltage VF 0.855 V IF = 10mA 2
Forward Voltage VF 1 V IF = 50mA 2
Forward Voltage VF 1.25 V IF = 150mA 2
Peak Reverse Current IR 1 μA VR = 75V 2
Peak Reverse Current IR 50 μA VR = 75V, TJ = +150°C 2
Peak Reverse Current IR 30 μA VR = 25V, TJ = +150°C 2
Peak Reverse Current IR 25 nA VR = 20V 2
Total Capacitance CT 2 pF VR = 0, f = 1.0MHz 2
Reverse Recovery Time tRR 4 ns IF = IR = 10mA, IRR = 0.1 x IR, RL = 100Ω 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  Terminal Connections: Cathode Band  Terminals: Finish, Matte Tin Annealed over Alloy 42 Lead-Frame. 1

CAD (KiCad official)

  • Symbol: 1N4148WTQ-7
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: 1n4148wtq-7-etched.step / 1n4148wtq-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1n4148wtq-7.step / 1n4148wtq-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 4f88f097f1722bf8, retrieved 2026-10-26, 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