component
SI4435DDY
Public Made by Adomby adom
TECH PUBLIC MOSFETs, 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
markdownSI4435DDY
TECH PUBLIC · MOSFETs · SOP-8
SI4435DDY 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 | S | passive | Source of the P-channel MOSFET, tied internally with pins 2 and 3. |
| 2 | S | passive | Source of the P-channel MOSFET, tied internally with pins 1 and 3. |
| 3 | S | passive | Source of the P-channel MOSFET, tied internally with pins 1 and 2. |
| 4 | G | input | Gate of the P-channel MOSFET; VGS limit ±20V, threshold -1V min to -3V max at ID=-250µA. |
| 5 | D | passive | Drain of the P-channel MOSFET, tied internally with pins 6, 7 and 8; VDS -30V, ID -12A continuous. |
| 6 | D | passive | Drain of the P-channel MOSFET, tied internally with pins 5, 7 and 8; VDS -30V, ID -12A continuous. |
| 7 | D | passive | Drain of the P-channel MOSFET, tied internally with pins 5, 6 and 8; VDS -30V, ID -12A continuous. |
| 8 | D | passive | Drain of the P-channel MOSFET, tied internally with pins 5, 6 and 7; VDS -30V, ID -12A continuous. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOP-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
SI4435DDY - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files:
si4435ddy-etched.step/si4435ddy-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);si4435ddy.step/si4435ddy.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TECH PUBLIC datasheet (6 pp, sha256
36196c1f4e9fd317, retrieved 2026-10-09, 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).