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IRF840

Specifications

SKU: 12520634

BUY IRF840 https://www.utsource.net/itm/p/12520634.html

Parameter Symbol Min Typical Max Unit Condition
Drain-Source Voltage VDS - 500 - V
Gate-Source Voltage VGS -20 - 20 V
Continuous Drain Current ID - 8.0 - A TC = 25°C
Pulse Drain Current IDpeak - 16.0 - A t = 10 μs, TC = 25°C
Power Dissipation PTOT - 79 - W TC = 25°C
Junction Temperature TJ - - 150 °C
Storage Temperature TSTG -55 - 150 °C
Thermal Resistance (Junction to Case) RθJC - 1.33 - °C/W
Input Capacitance Ciss - 1300 - pF VDS = 25V, f = 1 MHz
Output Capacitance Coss - 260 - pF VDS = 25V, f = 1 MHz
Reverse Transfer Capacitance Crss - 120 - pF VDS = 25V, f = 1 MHz
Gate Charge QG - 50 - nC VDS = 25V, VGS = 10V, ID = 1A
Turn-On Delay Time td(on) - 50 - ns VDS = 25V, VGS = 10V, ID = 1A
Rise Time tr - 40 - ns VDS = 25V, VGS = 10V, ID = 1A
Turn-Off Delay Time td(off) - 110 - ns VDS = 25V, VGS = 10V, ID = 1A
Fall Time tf - 60 - ns VDS = 25V, VGS = 10V, ID = 1A

Instructions for Use:

  1. Operating Conditions:

    • Ensure that the drain-source voltage (VDS) does not exceed 500V.
    • The gate-source voltage (VGS) should be kept within the range of -20V to +20V.
    • Continuous drain current (ID) should not exceed 8A at a case temperature of 25°C.
    • Pulse drain current (IDpeak) can reach up to 16A for short durations (10 μs) at a case temperature of 25°C.
  2. Thermal Management:

    • The power dissipation (PTOT) should not exceed 79W at a case temperature of 25°C.
    • The junction temperature (TJ) should be kept below 150°C.
    • Use appropriate heat sinks to manage thermal resistance and ensure proper cooling.
  3. Storage and Handling:

    • Store the device in a dry environment with temperatures between -55°C and 150°C.
    • Handle the device with care to avoid damage to the pins and internal components.
  4. Electrical Characteristics:

    • Monitor the input capacitance (Ciss), output capacitance (Coss), and reverse transfer capacitance (Crss) to ensure stable operation.
    • The gate charge (QG) affects switching performance; ensure it is within the specified range for optimal operation.
  5. Switching Performance:

    • The turn-on delay time (td(on)), rise time (tr), turn-off delay time (td(off)), and fall time (tf) are critical for high-frequency applications. Ensure these parameters meet the requirements of your circuit design.
  6. Mounting and Soldering:

    • Follow recommended soldering profiles to avoid thermal shock and mechanical stress.
    • Ensure proper alignment and secure mounting to prevent mechanical failure.
  7. Testing and Verification:

    • Test the device under controlled conditions to verify its performance and reliability.
    • Use appropriate test equipment and procedures to measure key parameters and ensure they meet the specified values.
(For reference only)

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