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FQB7N65CTM-VB Product details
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FQB7N65CTM-VB is a Single N-MOS deeply optimized for high-voltage power switching scenarios. The Planar process ensures robust avalanche capability and high reliability, while the TO263 package balances heat dissipation performance with ease of installation. The combination of 650V withstand voltage, 7A current capacity, and 1200mΩ on-resistance makes it an ideal cost-reduction upgrade for replacing traditional TO220 or DPAK packaged devices, particularly suitable for high-volume applications such as high-voltage AC-DC converters, industrial power supplies, and auxiliary power.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 650V | 3.5V | 7A | 1200(mΩ) | Planar |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | Planar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 650V | 3.5V | 7A | Planar |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 650V | 3.5V | 7A | Planar |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N |
VDS=650V: Suitable for 220V/380V industrial and home appliance systems, providing ample voltage margin for spikes to reduce breakdown risk.
VGS=±30V: Compatible with wide gate drive range, supporting typical 10V~20V drive levels, can be driven directly by PWM controllers or dedicated gate driver ICs.
Vth=3.5V (Typical): Moderate threshold voltage, strong anti-interference capability, ensures reliable turn-on under high voltage.
RDS(on)=1200mΩ @ VGS=10V: Typical level for high-voltage Planar devices, optimized switching loss in high-voltage applications, suitable for hard-switching topologies.
ID=7A: Ample continuous current margin, capable of handling peak demands of most high-voltage auxiliary power supplies and power conversion loads.
Package TO263: Industry-standard surface-mount package, good heat dissipation, suitable for automated assembly, saving assembly costs and improving production efficiency.
Technology Planar: Mature high-voltage process, good dv/dt capability and EAS capability, enhancing long-term system reliability.
Domain and module applications：
Switching Power Supply (SMPS): Used as main or auxiliary switch in high-voltage DC-DC converters, flyback/forward topologies. Ample voltage margin, high reliability.
Industrial Power Supply and Charger: 650V voltage tolerance adapts to wide input voltage (85~265V AC) environments, no need for additional surge suppression components.
LED Lighting Driver: Used as power switch in high-voltage constant current schemes, controllable loss, supports high power factor design, improves driver efficiency.
UPS and Inverter: Used for uninterruptible power supplies, photovoltaic inverter auxiliary power supplies and bus switches, stably handling high-voltage transients.
Electric Vehicle Charging Pile Auxiliary Power Supply: High voltage tolerance and strong impact resistance adapt to harsh onboard/charging pile electrical environments, reducing failure risk.
Home Appliance Control Board: Motor drive and power supply sections in air conditioners, refrigerators, washing machines, etc. Uses TO263 surface mount package, suitable for automated production line mass manufacturing.
Selection Summary: FQB7N65CTM-VB achieves a balance between voltage tolerance, package heat dissipation, and system cost. It is a cost-effective general-purpose choice for 650V high-voltage switching applications, especially suitable for projects with strict requirements on reliability, temperature rise, and mass production.
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
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