2SK3569 MOSFET N-Channel Power MOSFET TO-220F Package 600V 10A

Specifications:

• Type: N-Channel Power MOSFET
• Drain-Source Voltage (Vdss): 600V
• Continuous Drain Current (Id): 10A
• Pulsed Drain Current (Idp): 40A
• Low Resistance (Rds on): 0.54 Ω (Typ.)
• Package: TO-220F (Full-Pack)
• Insulation: Fully Insulated (No mica washer required)
• Gate Threshold Voltage: 2.0V to 4.0V
• Total Gate Charge: 44 nC (Typ.)

Applications

• Industrial SMPS: Ideal for the primary switching side of AC-DC power supplies.
• DC-DC Converters: High-efficiency buck/boost converters for high-voltage inputs.
• Motor Control: Driving high-voltage DC motors in industrial automation.
• LED Drivers: High-power outdoor LED lighting systems.

Unlock New Capabilities

• Past Projects (Prerequisites): If you have mastered low-power switching with the IRFZ44N or logic-level MOSFETs on Arduino, you are ready for high-voltage power electronics.
• Feature Upgrade: Moving to the 2SK3569 allows you to interface directly with rectified mains voltages (up to 600V), unlocking the ability to build custom lab power supplies or industrial-grade controllers.
• Effort/Requirements: Advanced. Requires high-voltage safety precautions. You will need a proper gate driver (like the UC3843) to achieve the high-speed switching this MOSFET is capable of.

Virtual Technician & Wiring:

• ⚠️ SAFETY WARNING: This component handles up to 600V. Ensure your PCB creepage and clearance distances are strictly maintained.
  Pin Mapping: (Looking at the front/branded side, pins pointing down):
• Gate (Left): Trigger input (Keep gate traces short to avoid oscillation).
• Drain (Center): Connected to the Load.
• Source (Right): Connected to Ground/Current Sense.
• Package Tip: The TO-220F is "Full-Pack." The metal tab is covered in plastic. You can bolt this directly to a heatsink without an isolation pad!

Package Includes:

• 1 x 2SK3569 MOSFET N-Channel Power MOSFET TO-220F Package 600V 10A

Frequently Asked Questions (FAQ):

• Is the 2SK3569 a logic-level MOSFET?
  No, it requires a higher gate voltage (typically 10-15V for full saturation) and is best used with a gate driver.
• Do I need a mica insulator for the 2SK3569?
  No, the TO-220F package is fully insulated.
• What is the maximum voltage this can handle?
  It is rated for 600V Drain-Source voltage.
• Can I use this for 110V/220V AC switching?
  It is used in DC switching after the bridge rectifier in AC circuits.
• What is the typical RDS(on)?
  Approximately 0.54 to 0.75 Ohms.
• Can it handle 10A without a heatsink?
  No, at 10A, the thermal dissipation will require a significant heatsink.
• Is it compatible with Arduino?
  Only if used with a transistor-based gate driver to provide sufficient gate voltage.
• What is the gate-source threshold?
  Between 2V and 4V, but it isn't "on" at 4V; it just starts conducting.
• How do I identify an original 2SK3569?
  Look for crisp laser marking and consistent resistance across the Source-Drain during testing.
• What is the pulsed current limit?
  It can handle up to 40A in short pulses.
• Is this part lead-free?
  Yes, it is RoHS compliant.
• Can I replace a 2SK2645 with this?
  Yes, the 2SK3569 is often a superior replacement in terms of current handling.
• Why is the TO-220F package better?
  It prevents accidental shorts to the heatsink and simplifies assembly.
• What frequency can this switch at?
  It is designed for high-speed switching, typically used in 50kHz to 200kHz SMPS designs.
• Does it have an internal body diode?
  Yes, it includes a high-speed intrinsic diode.
• What is the gate charge (Qg)?
  Typically 44nC.
• Is this suitable for solar inverters?
  Yes, in the high-voltage DC stage.
• Can I use it for audio amplifiers?
  While possible, it is optimized for switching, not linear amplification.
• What happens if I exceed 600V?
  The device will enter avalanche breakdown and likely fail permanently.