component
AQ1205-01FTG
Public Made by Adomby adom
Littelfuse ESD And Surge Protection (TVS/ESD), SOD-323. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownAQ1205-01FTG
Littelfuse · ESD And Surge Protection (TVS/ESD) · SOD-323
AQ1205-01FTG from Littelfuse, 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Standoff Voltage | VRWM | 5 | V | 2 | |||
| Breakdown Voltage | VBR | 5.3 | 5.5 | V | IR=1mA | 2 | |
| Reverse Leakage Current | ILEAK | 1 | 20 | nA | VR=5V | 2 | |
| Clamp Voltage | VC | 6.5 | V | IPP=1A, tp=8/20μs, I/O to GND | 2 | ||
| Clamp Voltage | VC | 10 | V | IPP=7A, tp=8/20μs, I/O to GND | 2 | ||
| Dynamic Resistance | RDYN | 0.2 | Ω | TLP, tP=100ns, I/O to GND | 2 | ||
| ESD Withstand Voltage | VESD | -30 | 30 | kV | IEC 61000-4-2 (Contact Discharge) | 2 | |
| Diode Capacitance | CIO-GND | 7 | 9 | pF | Reverse Bias=5V, f=1MHz, I/O to GND | 2 | |
| Peak Current | IPP | 7 | A | tp=8/20μs | 2 | ||
| Operating Temperature | TOP | -40 | 150 | °C | 2 | ||
| Storage Temperature | TSTOR | -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 | Copper Alloy | tin | Lead Plating Matte Tin Lead material Copper Alloy | 4 |
CAD (KiCad official)
- Symbol:
AQ1205-01FTG - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
aq1205-01ftg-etched.step/aq1205-01ftg-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);aq1205-01ftg.step/aq1205-01ftg.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (5 pp, sha256
6fa1736c0aba377d, retrieved 2026-10-27, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).