Power Factor Correction | PFC Controllers | RS
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    Power Factor Correction

    Power factor correction ICs (integrated circuits) are devices designed to improve the efficiency of an electronic circuit that contain other devices with lower power factor. Power factor is the measurement of the efficiency of input power. Power factor correction (PFC) is designed to improve the power quality by improving this efficiency. They feature capacitors or inductors which are used to counteract the inefficiencies of motors and machines.

    How is it power factor calculated?

    Power factor is the Real Power minus Reactive Power. Real power is the power required to carry out the task. Reactive power is the excess power that is used, but is not required by the task. The goal is for power factor to be 100% in its efficiency, or 1pf. Power factor can be calculated by Active (or true) power divided by Apparent power. Reactive operates at a right angle to True power.

    Why use power factor correction ICs?

    Power factor correction can be used in many applications to help financially. This is achieved through reducing power consumption or reducing the unnecessary Reactive Power.

    Where is PFC used?

    • Computers
    • Power supplies
    • Lighting
    • Induction welders
    • Electrical motors

    244 Products showing for Power Factor Correction

    STMicroelectronics
    -
    115 KHz
    0.3mA
    Power Factor Controller IC
    1.5A
    2A
    16 mA
    -
    SO20
    20
    -
    -
    -
    19 V
    -
    STMicroelectronics
    Zero Power Detection
    -
    0.05mA
    Power Factor Controller IC
    -5mA
    4500µA
    0.09 mA
    Surface Mount
    SOIC
    14
    8.75 x 4 x 1.65mm
    1.65mm
    8.75mm
    22 V
    +150 °C
    STMicroelectronics
    -
    115 kHz
    0.3mA
    Power Factor Controller IC
    10mA
    20000µA
    16 mA
    Surface Mount
    SOIC
    20
    13 x 7.6 x 2.35mm
    2.35mm
    13mm
    19.5 V
    +125 °C
    Texas Instruments
    Zero Power Detection
    118 kHz
    1.5mA
    Power Factor Pre-Regulator Circuit IC
    14µA
    -
    10 mA
    Through Hole
    PDIP
    16
    19.3 x 6.35 x 4.57mm
    4.57mm
    19.3mm
    35 V
    +70 °C
    STMicroelectronics
    -
    65 kHz
    400 → 550µA
    Power Factor Controller IC
    -0.7A
    1.5A
    25 mA
    -
    -
    -
    -
    -
    -
    -
    -
    Power Integrations
    -
    60 kHz
    -
    -
    -
    -
    -
    -
    Plastic eSIP
    16
    -
    -
    -
    12 V
    -
    onsemi
    -
    -
    -
    Power Factor Correction IC
    -
    0.025mA
    0.0042 mA
    -
    WDFN
    10
    -
    -
    -
    24 V
    -
    onsemi
    -
    65 kHz
    -
    Power Factor Controller IC
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Texas Instruments
    Zero Power Detection
    10 to 300 kHz
    20mA
    Power Factor Controller IC
    -0.03mA
    30µA
    20 mA
    Surface Mount
    TSSOP
    20
    6.5 x 4.4 x 1.15mm
    1.15mm
    6.5mm
    21 V
    +125 °C
    Infineon
    -
    2 kHz
    -
    -
    2mA
    2mA
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Infineon
    -
    315 kHz
    -
    Controller IC
    38A
    41A
    -
    -
    -
    8
    -
    -
    -
    25 V
    -
    STMicroelectronics
    -
    130 kHz
    400 → 550µA
    Power Factor Controller IC
    -0.7A
    1.5A
    25 mA
    -
    -
    -
    -
    -
    -
    -
    -
    STMicroelectronics
    Zero Power Detection
    -
    0.03mA
    Power Factor Controller IC
    -5mA
    4500µA
    0.06 mA
    Surface Mount
    SOIC
    8
    5 x 4 x 1.25mm
    1.25mm
    5mm
    22.5 V
    +150 °C
    onsemi
    -
    65 kHz
    1mA
    Power Factor Controller IC
    500mA
    800mA
    4 mA
    -
    SOIC
    9
    -
    -
    -
    35 V
    -
    STMicroelectronics
    -
    130 KHz
    550µA
    Controller IC
    1.45mA
    1.45mA
    25 mA
    -
    ECOPACK
    10
    -
    -
    -
    24.5 V
    -
    STMicroelectronics
    -
    130 kHz
    400 → 550µA
    Power Factor Controller IC
    -0.7A
    1.5A
    25 mA
    -
    -
    -
    -
    -
    -
    -
    -
    Infineon
    -
    65 kHz
    450µA
    Power Factor Controller IC
    38µA
    41µA
    1300 μA
    -
    PG-DSO-8
    8
    -
    -
    -
    25 V
    -
    STMicroelectronics
    -
    130 KHz
    550µA
    Controller IC
    1.45mA
    1.45mA
    25 mA
    -
    ECOPACK
    8
    -
    -
    -
    24.5 V
    -
    onsemi
    -
    130 kHz
    -
    Power Factor Controller IC
    -
    -
    -
    -
    SOIC
    16
    -
    -
    -
    30 V
    -
    Texas Instruments
    Zero Power Detection
    115 kHz
    0.15mA
    Power Factor Pre-Regulator Circuit IC
    -
    -
    20 mA
    Surface Mount
    SOIC
    16
    9.9 x 3.91 x 1.58mm
    1.58mm
    9.9mm
    17 V
    +70 °C
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