FQA40N25 MOSFET Datasheet & Specifications
N-Channel
TO-3P
Standard Power
onsemi
Vds Max
250V
Id Max
40A
Rds(on)
70mΩ@10V
Vgs(th)
5V
Quick Reference
The FQA40N25 is an N-Channel MOSFET in a TO-3P package, manufactured by onsemi. It supports a drain-source breakdown voltage of 250V and a continuous drain current of 40A. It is widely used in switching and power applications.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | onsemi | Original Manufacturer |
| Package | TO-3P | Physical mounting |
| Transistor Type | MOSFET | Metal-Oxide-Semiconductor FET |
| Category | Single | Configuration |
| Drain-Source Voltage (Vds) | 250V | Max breakdown voltage |
| Continuous Drain Current (Id) | 40A | Max current handling |
| Power Dissipation (Pd) | 280W | Max thermal limit |
| On-Resistance (Rds(on)) | 70mΩ@10V | Resistance when turned fully on |
| Gate Threshold (Vgs(th)) | 5V | Voltage required to turn on |
| Gate Charge (Qg) | - | Switching energy |
| Input Capacitance (Ciss) | 4nF | Internal gate capacitance |
| Output Capacitance (Coss) | 800pF | 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 |
|---|---|---|---|---|---|---|---|
| IRFP4868PBF-MNS | N-Channel | TO-3P | 300V | 70A | 32mΩ@10V | 4V | Minos 📄 PDF |
| MD70N30 | N-Channel | TO-3P | 300V | 70A | 32mΩ@10V | 4V | Minos 📄 PDF |
| MD59N30 | N-Channel | TO-3P | 300V | 59A | 35mΩ@10V | 4V | Minos 📄 PDF |
| CS70N30ANR | N-Channel | TO-3P | 300V | 70A | 42mΩ@10V | 4V | CRMICRO 📄 PDF |