component
SI4942DY-T1-E3-VB
Public Made by Adomby adom
VBsemi Elec MOSFETs, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownSI4942DY-T1-E3-VB
VBsemi Elec · MOSFETs · SO-8
SI4942DY-T1-E3-VB from VBsemi Elec, in a SO-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 | S1 | passive | Source of N-channel MOSFET 1, rated for 30 V drain-source with continuous drain current of 8.5 A at TC = 25 °C. |
| 2 | G1 | input | Gate of N-channel MOSFET 1, with a gate-source voltage limit of ±20 V. |
| 3 | S2 | passive | Source of N-channel MOSFET 2, rated for 30 V drain-source with continuous drain current of 8.5 A at TC = 25 °C. |
| 4 | G2 | input | Gate of N-channel MOSFET 2, with a gate-source voltage limit of ±20 V. |
| 5 | D2 | passive | Drain of N-channel MOSFET 2, with a maximum drain-source voltage of 30 V and RDS(on) of 0.016 Ω at VGS = 10 V. |
| 6 | D2 | passive | Drain of N-channel MOSFET 2, with a maximum drain-source voltage of 30 V and RDS(on) of 0.016 Ω at VGS = 10 V. |
| 7 | D1 | passive | Drain of N-channel MOSFET 1, with a maximum drain-source voltage of 30 V and RDS(on) of 0.016 Ω at VGS = 10 V. |
| 8 | D1 | passive | Drain of N-channel MOSFET 1, with a maximum drain-source voltage of 30 V and RDS(on) of 0.016 Ω at VGS = 10 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | VBsemi Elec |
| Package | SO-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
SI4942DY-T1-E3-VB - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SO-8 (KiCad packages3D, STEP)
- 3D model files:
si4942dy-t1-e3-vb-etched.step/si4942dy-t1-e3-vb-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);si4942dy-t1-e3-vb.step/si4942dy-t1-e3-vb.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: VBsemi Elec datasheet (9 pp, sha256
1aa2a05d0b6fc646, retrieved 2026-10-28, 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).