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STF8NK85Z
Product Overview
Category
The STF8NK85Z belongs to the category of power MOSFETs.
Use
It is used as a high-voltage N-channel enhancement-mode power MOSFET for various electronic applications.
Characteristics
- High voltage capability
- Low input capacitance
- Fast switching speed
- Low on-resistance
Package
The STF8NK85Z is typically available in a TO-220 package.
Essence
The essence of the STF8NK85Z lies in its ability to efficiently control and switch high voltages in electronic circuits.
Packaging/Quantity
It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Drain-Source Voltage (VDS): 850V
- Continuous Drain Current (ID): 8A
- On-Resistance (RDS(on)): 1.15Ω
- Gate-Source Voltage (VGS): ±30V
- Total Gate Charge (Qg): 24nC
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The STF8NK85Z typically has three pins: 1. Source (S) 2. Gate (G) 3. Drain (D)
Functional Features
- High voltage capability allows for use in high-power applications
- Low input capacitance enables fast switching speeds
- Low on-resistance minimizes power losses
Advantages and Disadvantages
Advantages
- High voltage capability
- Fast switching speed
- Low on-resistance
Disadvantages
- Higher cost compared to lower voltage MOSFETs
- May require additional circuitry for driving the gate at higher voltages
Working Principles
The STF8NK85Z operates based on the principles of field-effect transistors, where the application of a voltage to the gate terminal controls the flow of current between the drain and source terminals.
Detailed Application Field Plans
The STF8NK85Z is commonly used in the following applications: - Switching power supplies - Motor control - Inverters - Electronic ballasts
Detailed and Complete Alternative Models
Some alternative models to the STF8NK85Z include: - IRF840 - FQP50N06 - IRL540
In conclusion, the STF8NK85Z is a high-voltage power MOSFET with characteristics that make it suitable for a wide range of electronic applications, particularly those requiring efficient high-voltage control and switching capabilities.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de STF8NK85Z en soluciones técnicas
What is STF8NK85Z?
- STF8NK85Z is a high voltage N-channel Power MOSFET designed for various applications such as switch mode power supplies, lighting, and motor control.
What is the maximum drain-source voltage of STF8NK85Z?
- The maximum drain-source voltage of STF8NK85Z is 850V.
What is the continuous drain current rating of STF8NK85Z?
- The continuous drain current rating of STF8NK85Z is 8A.
Can STF8NK85Z be used in switch mode power supplies?
- Yes, STF8NK85Z is suitable for use in switch mode power supplies due to its high voltage and current ratings.
Is STF8NK85Z suitable for motor control applications?
- Yes, STF8NK85Z is well-suited for motor control applications due to its high voltage and current handling capabilities.
What are the typical on-state resistance and gate charge of STF8NK85Z?
- The typical on-state resistance of STF8NK85Z is 1.3 ohms, and the typical gate charge is 18nC.
Does STF8NK85Z require a heat sink for operation?
- Depending on the application and operating conditions, STF8NK85Z may require a heat sink to dissipate heat effectively.
What are the recommended operating temperature range and storage temperature range for STF8NK85Z?
- The recommended operating temperature range for STF8NK85Z is -55°C to 150°C, and the storage temperature range is -55°C to 175°C.
Can STF8NK85Z be used in lighting applications?
- Yes, STF8NK85Z is suitable for use in lighting applications, including LED drivers and ballasts.
Are there any specific application notes or reference designs available for using STF8NK85Z in technical solutions?
- Yes, STMicroelectronics provides application notes and reference designs for utilizing STF8NK85Z in various technical solutions, which can be found on their official website.