component
SRDA05-4
Public Made by Adomby adom
TECH PUBLIC ESD And Surge Protection (TVS/ESD), SOP-8. 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
markdownSRDA05-4
TECH PUBLIC · ESD And Surge Protection (TVS/ESD) · SOP-8
SRDA05-4 from TECH PUBLIC, in a SOP-8. 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/O 1 | passive | Protected I/O line 1, steered by the diode array to REF 1/REF 2; junction capacitance to ground 20pF max. |
| 2 | REF 1 | passive | Reference pin 1 (positive reference rail of the diode array), tied internally to pin 3. |
| 3 | REF 1 | passive | Reference pin 1 (positive reference rail of the diode array), tied internally to pin 2. |
| 4 | I/O 2 | passive | Protected I/O line 2, steered by the diode array to REF 1/REF 2; junction capacitance to ground 20pF max. |
| 5 | REF 2 | passive | Reference pin 2 (ground-side reference rail of the diode array), tied internally to pin 8. |
| 6 | I/O 3 | passive | Protected I/O line 3, steered by the diode array to REF 1/REF 2; junction capacitance to ground 20pF max. |
| 7 | I/O 4 | passive | Protected I/O line 4, steered by the diode array to REF 1/REF 2; junction capacitance to ground 20pF max. |
| 8 | REF 2 | passive | Reference pin 2 (ground-side reference rail of the diode array), tied internally to pin 5. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOP-8 |
| Category | Circuit Protection |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
SRDA05-4 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
srda05-4-etched.step/srda05-4-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);srda05-4.step/srda05-4.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECH PUBLIC datasheet (4 pp, sha256
17e838d45ca253b1, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(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).