AON7421 MOSFET Datasheet & Specifications
P-Channel
DFN-8(3x3)
Logic-Level
AOS
Vds Max
20V
Id Max
50A
Rds(on)
9mΩ@2.5V
Vgs(th)
1.2V
Quick Reference
The AON7421 is an P-Channel MOSFET in a DFN-8(3x3) package, manufactured by AOS. It supports a drain-source breakdown voltage of 20V and a continuous drain current of 50A. It is widely used in switching and power applications.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | AOS | Original Manufacturer |
| Package | DFN-8(3x3) | Physical mounting |
| Transistor Type | MOSFET | Metal-Oxide-Semiconductor FET |
| Category | Single | Configuration |
| Drain-Source Voltage (Vds) | 20V | Max breakdown voltage |
| Continuous Drain Current (Id) | 50A | Max current handling |
| Power Dissipation (Pd) | 83W | Max thermal limit |
| On-Resistance (Rds(on)) | 9mΩ@2.5V | Resistance when turned fully on |
| Gate Threshold (Vgs(th)) | 1.2V | Voltage required to turn on |
| Gate Charge (Qg) | 135nC@10V | Switching energy |
| Input Capacitance (Ciss) | 4.55nF | Internal gate capacitance |
| Output Capacitance (Coss) | 823pF | Internal output capacitance |
| Operating Temp | - | Safe junction temperature range |
Equivalent MOSFETs & Alternatives
| Part | Type | Package | Vds | Id | Rds(on) | Vgs(th) | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| AON7423 | P-Channel | DFN-8(3x3) | 20V | 50A | 4.9mΩ@2.5V | 200mV | AOS 📄 PDF |
| WSD20L70DN33 | P-Channel | DFN-8(3x3) | 20V | 70A | 6.7mΩ@4.5V | 600mV | Winsok Semicon 📄 PDF |
| WSD30L68DN33 | P-Channel | DFN-8(3x3) | 30V | 68A | 5.8mΩ@10V | 1.3V | Winsok Semicon 📄 PDF |