Overview
The FCMT125N65S3 is a high-voltage N-Channel MOSFET from onsemi, part of their SUPERFET III family. This MOSFET utilizes charge balance technology to achieve outstanding low on-resistance and lower gate charge performance. It is designed to minimize conduction loss, provide superior switching performance, and offer higher avalanche energy. The device is packaged in the ultra-slim Power88 package, which is a surface-mount package with a low profile and small footprint, making it ideal for various high-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Channel Polarity | N-Channel |
| Drain-Source Voltage (VDSS) | 650 V |
| Drain Current (ID) | 24 A |
| On-Resistance (RDS(on)) at VGS = 10 V | 125 mΩ |
| Gate-Source Voltage (VGS) | ±30 V |
| Threshold Voltage (VGS(th)) | 4.5 V |
| Gate Charge (Qg) at VGS = 10 V | 49 nC |
| Effective Output Capacitance (Coss(eff.)) | 406 pF |
| Internal Gate Resistance | 0.5 Ω |
| Package Type | Power88 (PQFN-4) |
| Moisture Sensitivity Level | MSL 1 |
Key Features
- Leadless ultra-thin SMD package (Power88)
- Kelvin contact for improved switching performance
- Ultra-low gate charge (Typ. Qg = 49 nC)
- Low effective output capacitance (Typ. Coss(eff.) = 406 pF)
- Optimized capacitance
- 100% avalanche tested
- RoHS compliant
- Moisture Sensitivity Level 1 guarantee
Applications
- Telecommunication systems
- Cloud and server power systems
- Industrial applications
- LED lighting
- Adapter and power supply units
- Solar inverter applications
Q & A
- What is the FCMT125N65S3 MOSFET? The FCMT125N65S3 is a high-voltage N-Channel MOSFET from onsemi, part of their SUPERFET III family.
- What is the drain-source voltage rating of the FCMT125N65S3? The drain-source voltage rating is 650 V.
- What is the maximum drain current of the FCMT125N65S3? The maximum drain current is 24 A.
- What is the on-resistance of the FCMT125N65S3 at VGS = 10 V? The on-resistance is 125 mΩ.
- What package type is used for the FCMT125N65S3? The FCMT125N65S3 is packaged in the Power88 (PQFN-4) package.
- What are the key features of the FCMT125N65S3? Key features include ultra-low gate charge, low effective output capacitance, Kelvin contact, and 100% avalanche testing.
- What are the typical applications of the FCMT125N65S3? Typical applications include telecommunication systems, cloud and server power, industrial applications, LED lighting, and solar inverter applications.
- Is the FCMT125N65S3 RoHS compliant? Yes, the FCMT125N65S3 is RoHS compliant.
- What is the moisture sensitivity level of the FCMT125N65S3? The moisture sensitivity level is MSL 1.
- What is the internal gate resistance of the FCMT125N65S3? The internal gate resistance is 0.5 Ω.
