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IRF740S

Specifications

SKU: 12606488

BUY IRF740S https://www.utsource.net/itm/p/12606488.html

Parameter Symbol Min Typ Max Unit
Drain-Source Voltage VDSS - - 400 V
Gate-Source Voltage VGS -15 - 20 V
Continuous Drain Current ID - 7.8 - A
Pulse Drain Current IDM - 33 - A
Power Dissipation PD - - 66 W
Junction Temperature Tj -55 - 150 °C
Storage Temperature Tstg -55 - 150 °C
Total Gate Charge Qg - 79 - nC
Input Capacitance Ciss - 1400 - pF
Output Capacitance Coss - 400 - pF
Reverse Transfer Capacitance Crss - 220 - pF
On-State Resistance RDS(on) - 0.22 - Ω

Instructions for Use:

  1. Handling Precautions:

    • The IRF740S is sensitive to electrostatic discharge (ESD). Handle with care and use proper ESD protection.
    • Avoid exceeding the maximum ratings listed in the table, as this can cause permanent damage to the device.
  2. Mounting:

    • Ensure good thermal management by using a heatsink if necessary, especially when operating at high power levels.
    • Properly secure the device to prevent mechanical stress on the leads.
  3. Gate Drive:

    • Apply a gate-source voltage (VGS) within the specified range to turn the MOSFET on or off.
    • Use a gate resistor to limit the current and reduce ringing during switching transitions.
  4. Thermal Considerations:

    • Monitor the junction temperature (Tj) to ensure it stays within safe limits.
    • Use thermal paste between the MOSFET and heatsink to improve heat dissipation.
  5. Circuit Design:

    • Ensure that the drain-source voltage (VDSS) does not exceed 400V to avoid breakdown.
    • Design the circuit to handle the continuous drain current (ID) and pulse drain current (IDM) ratings.
    • Consider the on-state resistance (RDS(on)) in your power calculations to minimize power loss.
  6. Storage:

    • Store the device in a dry, cool place away from direct sunlight and sources of heat.
    • Keep the device in its original packaging until ready for use to protect against ESD.

By following these guidelines, you can ensure reliable and efficient operation of the IRF740S MOSFET.

(For reference only)

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