STF18N65M5 – Transistor – STMicroelectronics
$1.15
MOSFET N-CH 650V 15A TO220FP
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STF18N65M5 – 650V N-Channel Power MOSFET – STMicroelectronics
Optimize power conversion efficiency in demanding electronic designs with the STF18N65M5 N-Channel MOSFET from STMicroelectronics. This high-voltage MOSFET delivers robust performance with ultra-low conduction losses, making it ideal for energy-conscious applications. At PCX, we ensure genuine STMicroelectronics components with same-day shipping and dedicated technical support.
Key Features
- 650V Drain-Source Voltage (Vdss) – Handles high-power environments
- 15A Continuous Drain Current @ 25°C (Tc) – Robust current handling
- Ultra-Low 220mΩ On-Resistance @ 7.5A, 10V (Rds(on)) – Minimizes conduction losses
- MDmesh™ V Technology – Enhanced switching efficiency and dv/dt capability
- ±25V Gate-Source Voltage (Vgs) – Wide drive voltage tolerance
- Through-Hole TO-220FP Package – Simplified mounting and heat dissipation
Technical Specifications
This N-Channel MOSFET utilizes advanced silicon technology with a maximum junction temperature of 150°C. Key electrical characteristics include a threshold voltage (Vgs(th)) of 5V max @ 250µA and low gate charge (Qg) of 31nC @ 10V for reduced switching losses. The TO-220-3 Full Pack casing enables effective thermal management, with input capacitance (Ciss) rated at 1240pF @ 100V. Note: This part is marked obsolete by the manufacturer – available while final stocks last at PCX.
Typical Applications
- Switch-mode power supplies (SMPS) and AC-DC converters
- Motor control circuits and industrial inverters
- Lighting ballasts and LED drivers
- Solar inverters and renewable energy systems
- Welding equipment and high-voltage power tools
About STMicroelectronics
STMicroelectronics is a globally recognized leader in semiconductor solutions, serving customers across industrial, automotive, and consumer electronics markets. With over 30 years of innovation in power devices, their expertise in MOSFET technology drives industry standards for efficiency and thermal performance.
STMicroelectronics’ commitment to rigorous quality control and environmental compliance ensures reliable operation in critical applications. Their MDmesh™ V series represents cutting-edge optimization for high-voltage switching, trusted by design engineers worldwide for superior dv/dt robustness and reduced electromagnetic interference (EMI).
About Power MOSFETs
Power MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) serve as electronic switches in high-current circuits, controlling power flow with minimal losses. Their voltage-controlled operation enables efficient switching at high frequencies – critical for modern power conversion systems where thermal management and energy savings are paramount.
N-Channel MOSFETs like the STF18N65M5 dominate high-side switching applications due to lower Rds(on) per silicon area. When selecting MOSFETs, engineers prioritize breakdown voltage, switching speed, and thermal resistance to ensure system longevity. Proper heatsinking and drive voltage optimization are essential for maximizing performance in demanding environments.
Packaging Information
This product ships in manufacturer-sealed Tube packaging, ensuring damage-free transit and ESD protection. For volume production needs, contact PCX sales for bulk availability.
Frequently Asked Questions
Q: Is this MOSFET suitable for 500V industrial SMPS designs?
A: Yes – the 650V Vdss rating provides ample margin for 500V systems with voltage spikes.
Q: Can I parallel multiple STF18N65M5 MOSFETs for higher current?
A: Yes, but include gate resistors for balanced switching and monitor thermal sharing.
Q: What heatsink is recommended for 25W continuous dissipation?
A: Use a TO-220 compatible heatsink with thermal resistance ≤2.5°C/W for Tc=25°C operation.
Q: Why choose MDmesh™ V technology over standard MOSFETs?
A: MDmesh™ V reduces switching losses by 20% versus previous generations and improves avalanche ruggedness.
Q: How does the obsolete status affect warranty?
A: PCX provides full warranty coverage for all stocked units. Design alternatives available upon request.
Q: Where can I find the STF18N65M5 datasheet?
A: Access the full datasheet at PCXCo.com/resources/STF18N65M5-datasheet (hosted on our secure server).
Disclaimer: Product images are representational. Refer to datasheet for exact dimensions.
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Additional Information
| Category | Discrete Semiconductor ProductsTransistorsFETs, MOSFETsSingle FETs, MOSFETs |
|---|---|
| Brand | STMicroelectronics |
| Mfr | STMicroelectronics |
| Series | MDmesh™ V |
| Packaging | Tube |
| Part Status | Obsolete |
| FET Type | N-Channel |
| Technology | MOSFET (Metal Oxide) |
| Drain to Source Voltage (Vdss) | 650 V |
| Current - Continuous Drain (Id) @ 25°C | 15A (Tc) |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Rds On (Max) @ Id, Vgs | 220mOhm @ 7.5A, 10V |
| Vgs(th) (Max) @ Id | 5V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 31 nC @ 10 V |
| Vgs (Max) | ±25V |
| Input Capacitance (Ciss) (Max) @ Vds | 1240 pF @ 100 V |
| Power Dissipation (Max) | 25W (Tc) |
| Operating Temperature | 150°C (TJ) |
| Mounting Type | Through Hole |
| Supplier Device Package | TO-220FP |
| Package / Case | TO-220-3 Full Pack |
| Base Product Number | STF18 |
| Full Description | STF18N65M5 |
