component
DF5A5.6LFU
Public Made by Adomby adom
Leiditech ESD And Surge Protection (TVS/ESD), SOT-353. Pinout cross-checked by two models against the datasheet, 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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README
markdownDF5A5.6LFU
Leiditech · ESD And Surge Protection (TVS/ESD) · SOT-353
DF5A5.6LFU from Leiditech, in a SOT-353. 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 | IO1 | passive | Protected line 1 of the quad ESD array, rated for 5V reverse working voltage (VRWM) and 6.1V minimum breakdown at 1mA. |
| 2 | GND | power_in | Common ground node of the diode array that the protection diodes of all four lines connect to. |
| 3 | IO2 | passive | Protected line 2 of the quad ESD array, rated for 5V reverse working voltage (VRWM) and 6.1V minimum breakdown at 1mA. |
| 4 | IO3 | passive | Protected line 3 of the quad ESD array, rated for 5V reverse working voltage (VRWM) and 6.1V minimum breakdown at 1mA. |
| 5 | IO4 | passive | Protected line 4 of the quad ESD array, rated for 5V reverse working voltage (VRWM) and 6.1V minimum breakdown at 1mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Leiditech |
| Package | SOT-353 |
| Category | Circuit Protection |
| Pins | 5 |
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 Working Voltage | VRWM | 5 | V | 2 | |||
| Breakdown Voltage | VBR | 6.1 | 6.7 | 7.2 | V | IT = 1mA | 2 |
| Reverse Leakage Current | IR | 1 | µA | VRWM = 5V | 2 | ||
| Clamping Voltage | VC | 10 | 15 | V | IPP = 1A (8 x 20 µs pulse) | 2 | |
| Clamping Voltage | VC | 13.5 | 20 | V | IPP = 6A (8 x 20 µs pulse) | 2 | |
| Junction Capacitance | CJ | 90 | pF | V = 0V, f = 1MHz | 2 | ||
| Peak Pulse Power (8/20µs) | Ppp | 150 | W | 8/20µs | 1 | ||
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | 30 | Kv | IEC 61000-4-2 air discharge | 1 | |
| ESD per IEC 61000-4-2 (Contact) | -25 | 25 | Kv | IEC 61000-4-2 contact discharge | 1 | ||
| Operating Temperature Range | TJ | -40 | 125 | ℃ | 1 | ||
| Storage Temperature Range | TSTJ | -40 | 125 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
DF5A5.6LFU - Footprint:
Package_TO_SOT_SMD:SOT-353_SC-70-5 - 3D model: SOT-353 (KiCad packages3D, STEP)
- 3D model files:
df5a5-6lfu-etched.step/df5a5-6lfu-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);df5a5-6lfu.step/df5a5-6lfu.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Leiditech datasheet (4 pp, sha256
a22493077e0736a7, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).