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ESD0302TL

Public Made by Adom

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MDD Microdiode Semiconductor ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ESD0302TL

MDD Microdiode Semiconductor · ESD And Surge Protection (TVS/ESD) · SOT-23

ESD0302TL from MDD Microdiode Semiconductor, in a SOT-23. 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 I/O1 passive ESD-protected high-speed data line 1, with 0.2pF typical I/O-to-I/O capacitance, 3.3V max reverse working voltage to GND and 4.2V min breakdown at 1mA.
2 I/O2 passive ESD-protected high-speed data line 2, with 0.2pF typical I/O-to-I/O capacitance, 3.3V max reverse working voltage to GND and 4.2V min breakdown at 1mA.
3 GND power_in Ground reference, connected to the common TVS diode in the circuit diagram, to which both I/O pins are clamped (VC max 10V at IPP=1A, 8/20µs).

Key specifications

Parameter Value
Manufacturer MDD Microdiode Semiconductor
Package SOT-23
Category Circuit Protection
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
ESD per IEC 61000-4-2 (Air) VESD -20 20 kV IEC 61000-4-2 air discharge 1
ESD per IEC 61000-4-2 (Contact) VESD -20 20 kV IEC 61000-4-2 contact discharge 1
Operating Temperature TOPT -55 125 °C 1
Lead Solder Temperature, Maximum TL 260 °C 10 second duration 1
Storage Temperature TSTG -55 150 °C 1
Peak Pulse Power PPP 56 W 8/20us 1
Reverse Working Voltage VRWM 3.3 V I/O to GND 2
Reverse Breakdown Voltage VBR 4.2 V IT 1mA, between I/O and GND 2
Reverse Leakage Current IR 100 nA VRWM 3.3V, between I/O and GND 2
Clamping Voltage VC 10 V IPP 1A, tp 8/20µs, between I/O and GND 2
Clamping Voltage VC 14 V IPP 4A, tp 8/20µs, between I/O and GND 2
Forward Voltage VF 1.2 V IT 10mA, between I/O and GND 2
Total Capacitance CT 0.4 pF VR 0V, f 1MHz, between I/O and GND 2
Total Capacitance CT 0.2 pF VR 0V, f 1MHz, between I/O and I/O 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: Matte tin plated. Ultra Low Capacitance TVS/ESD Protection Diodes 1

CAD (KiCad official)

  • Symbol: ESD0302TL
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: esd0302tl-etched.step / esd0302tl-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esd0302tl.step / esd0302tl.glb are the bare package body.

Provenance

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

  • Datasheet: MDD Microdiode Semiconductor datasheet (5 pp, sha256 4c9ed962178f2317, retrieved 2026-10-19, 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