SI4909DY-T1-GE3 MOSFET Array Datasheet & Equivalents
P-Channel Array
SO-8
Logic-Level
VISHAY
Vds Max
40V
Id Max
8A
Rds(on)
34mΩ@4.5V
Vgs(th)
2.5V
Quick Reference
The SI4909DY-T1-GE3 is a P-Channel Array in a SO-8 package, manufactured by VISHAY. Each channel supports a drain-source breakdown voltage of 40V and a continuous drain current of 8A. It is ideal for high-density boards and compact switching circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | VISHAY | Original Manufacturer |
| Package | SO-8 | Physical mounting |
| Transistor Type | MOSFET | Metal-Oxide-Semiconductor FET |
| Category | Array | Configuration |
| Drain-Source Voltage (Vds) | 40V | Max breakdown voltage |
| Continuous Drain Current (Id) | 8A | Max current handling |
| Power Dissipation (Pd) | 3.2W | Max thermal limit |
| On-Resistance (Rds(on)) | 34mΩ@4.5V | Resistance when turned fully on |
| Gate Threshold (Vgs(th)) | 2.5V | Voltage required to turn on |
| Gate Charge (Qg) | 33nC@4.5V | Switching energy |
| Input Capacitance (Ciss) | 2nF | Internal gate capacitance |
| Output Capacitance (Coss) | 240pF | Internal output capacitance |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent MOSFETs & Alternatives
| Part | Type | Package | Vds | Id | Rds(on) | Vgs(th) | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| SQ4917CEY-T1_GE3 | P-Channel Array | SO-8 | 60V | 8A | 48mΩ@10V | 2.5V | VISHAY 📄 PDF |