FSS2305 MOSFET Datasheet & Specifications
P-Channel
SOT-23-3L
Logic-Level
FOSAN
Vds Max
20V
Id Max
4.2A
Rds(on)
60mΩ@4.5V
Vgs(th)
1.5V
Quick Reference
The FSS2305 is an P-Channel MOSFET in a SOT-23-3L package, manufactured by FOSAN. It supports a drain-source breakdown voltage of 20V and a continuous drain current of 4.2A. It is widely used in switching and power applications.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | FOSAN | Original Manufacturer |
| Package | SOT-23-3L | Physical mounting |
| Transistor Type | MOSFET | Metal-Oxide-Semiconductor FET |
| Category | Single | Configuration |
| Drain-Source Voltage (Vds) | 20V | Max breakdown voltage |
| Continuous Drain Current (Id) | 4.2A | Max current handling |
| Power Dissipation (Pd) | 1.3W | Max thermal limit |
| On-Resistance (Rds(on)) | 60mΩ@4.5V | Resistance when turned fully on |
| Gate Threshold (Vgs(th)) | 1.5V | Voltage required to turn on |
| Gate Charge (Qg) | - | Switching energy |
| Input Capacitance (Ciss) | 1.2nF | Internal gate capacitance |
| Output Capacitance (Coss) | 380pF | 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 |
|---|---|---|---|---|---|---|---|
| 20P09L | P-Channel | SOT-23-3L | 20V | 9A | 18mΩ@4.5V | 1V | HL 📄 PDF |
| ST2341S23RG | P-Channel | SOT-23-3L | 20V | 5.3A | 30mΩ@4.5V | 900mV | STANSON Tech. 📄 PDF |
| AO3401A | P-Channel | SOT-23-3L | 30V | 4.2A | 44mΩ@10V | 800mV | ElecSuper 📄 PDF |
| CCX3401A | P-Channel | SOT-23-3L | 30V | 4.2A | 50mΩ@4.5V | 1.3V | Chao He 📄 PDF |
| SI2343CDS-TP | P-Channel | SOT-23-3L | 30V | 5.6A | 56mΩ@10V | 2V | TECH PUBLIC 📄 PDF |
| WST3401A | P-Channel | SOT-23-3L | 30V | 5A | 57mΩ@10V | 1.2V | Winsok Semicon 📄 PDF |
| NCE40P05Y | P-Channel | SOT-23-3L | 40V | 5.3A | 73mΩ@10V | 1.9V | NCE 📄 PDF |
| NCE60P05BY | P-Channel | SOT-23-3L | 60V | 5A | 85mΩ@4.5V | 2V | NCE 📄 PDF |