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SI9435BDY-TP

TECH PUBLIC · MOSFETs · SOP-8

SI9435BDY-TP 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; Vds is -30V max and continuous drain current is -7A.
2 S passive Source of the P-channel MOSFET, connected to the other source pins 1 and 3.
3 S passive Source of the P-channel MOSFET, connected to the other source pins 1 and 2.
4 G input Gate of the P-channel MOSFET; Vgs is ±20V max, threshold -1.0V min to -2.5V max.
5 D passive Drain of the P-channel MOSFET, connected to drain pins 6, 7 and 8; pulsed drain current is -40A max.
6 D passive Drain of the P-channel MOSFET, connected to the other drain pins 5, 7 and 8.
7 D passive Drain of the P-channel MOSFET, connected to the other drain pins 5, 6 and 8.
8 D passive Drain of the P-channel MOSFET, connected to the other drain pins 5, 6 and 7.

Key specifications

Parameter Value
Manufacturer TECH PUBLIC
Package SOP-8
Category Transistors/Thyristors
Pins 8

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Drain-Source Voltage VDS -30 V 1
Gate-Source Voltage VGS -20 20 V 1
Continuous Drain Current ID -7 A 1
Pulsed Drain Current IDM -40 A Repetitive rating: pulse width limited by maximum junction temperature (note 1) 1
Maximum Power Dissipation PD 5 W 1
Operating Junction Temperature Range TJ -55 150 ℃ 1
Storage Temperature Range Tstg -55 150 ℃ 1
Thermal Resistance, Junction to Ambient RθJA 50 ℃/W t≤10s; mounted on 1 inch square PCB (FR4 material) (note 2) 1

CAD (KiCad official)

  • Symbol: SI9435BDY-TP
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: si9435bdy-tp-etched.step / si9435bdy-tp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); si9435bdy-tp.step / si9435bdy-tp.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 2ae551a5935b9092, retrieved 2026-10-18, 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