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TUSD03FBX-ES

Public Made by Adom

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ElecSuper ESD And Surge Protection (TVS/ESD), SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TUSD03FBX-ES

ElecSuper · ESD And Surge Protection (TVS/ESD) · SOD-323

TUSD03FBX-ES from ElecSuper, 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 IO passive Bidirectional ESD protection line connected to the IO being protected (VRWM 3.3V max, VBR 3.8V min at 1mA, 0.8pF typical capacitance).
2 IO passive Bidirectional ESD protection line connected to the IO being protected (VRWM 3.3V max, VBR 3.8V min at 1mA, 0.8pF typical capacitance).

Key specifications

Parameter Value
Manufacturer ElecSuper
Package SOD-323
Category Circuit Protection
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
Peak pulse power Ppk 200 W tp=8/20us @25℃ 2
ESD IEC61000-4-2 air discharge VESD -25 25 kV IEC61000-4-2 air discharge @25℃ 2
ESD IEC61000-4-2 contact discharge VESD -25 25 kV IEC61000-4-2 contact discharge @25℃ 2
Junction temperature TJ 150 ℃ 2
Operating temperature TOP -40 125 ℃ 2
Storage temperature TSTG -55 150 ℃ 2
Lead temperature TL 260 ℃ 2
Rated reverse stand-off voltage VRWM 3.3 V TA = 25℃ 3
Minimum breakdown voltage VBR 3.8 V IT = 1mA, TA = 25℃ 3
Clamping voltage VCL 7 V I=1A, TA = 25℃ 3
Maximum peak pulse current IPP 10 A TA = 25℃ 3
Clamping voltage at IPP VCL 16 V I=IPP, TA = 25℃ 3
Reverse leakage current IR 1 uA @VRWM, TA = 25℃ 3
Line capacitance CO 0.8 pF VIO=0V, VP-P = 30mV, f = 1MHz 3

CAD (KiCad official)

  • Symbol: TUSD03FBX-ES
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: tusd03fbx-es-etched.step / tusd03fbx-es-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tusd03fbx-es.step / tusd03fbx-es.glb are the bare package body.

Provenance

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

  • Datasheet: ElecSuper datasheet (7 pp, sha256 ab4dd1e8d8d71af9, 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