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

...
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Description Price Maximum Switching Frequency Start-up Supply Current IC Type Maximum Source Current Maximum Sink Current Maximum Supply Current Zero Power Detection Mounting Type Package Type Pin Count Dimensions Height Length Maximum Operating Supply Voltage
RS Stock No. 168-7319
Mfr. Part No.L6562N
$1.521
Each (In a Tube of 50)
units
- 0.04mA - 10mA 10000µA 16 mA - Through Hole PDIP 8 10.92 x 6.6 x 3.32mm 3.32mm 10.92mm 22 V
RS Stock No. 168-5788
Mfr. Part No.L6562D
$0.888
Each (In a Tube of 100)
units
- 0.04mA Power Factor Controller 10mA 10000µA 16 mA - Surface Mount SOIC 8 5 x 4 x 1.25mm 1.25mm 5mm 22 V
RS Stock No. 168-5789
Mfr. Part No.L6563
$2.02
Each (In a Tube of 50)
units
- 0.05mA Power Factor Controller -5mA 4500µA 0.09 mA Yes Surface Mount SOIC 14 8.75 x 4 x 1.65mm 1.65mm 8.75mm 22 V
RS Stock No. 188-8553
Mfr. Part No.L6563HTR
$2.12
Each (In a Pack of 10)
units
70 kHz 150µA Power Factor Controller 4mA 4.5mA 6 mA - Surface Mount SO 16 10 x 4 x 1.5mm 1.5mm 10mm 22.5 V
RS Stock No. 188-8275
Mfr. Part No.L6562ATDTR
$0.62
Each (On a Reel of 2500)
units
70 kHz 60µA Power Factor Controller -5mA 4.5mA 5.5 mA - Surface Mount SO 8 5 x 4 x 1.65mm 1.65mm 5mm 22.5 V
RS Stock No. 168-5820
Mfr. Part No.L6562AN
$1.274
Each (In a Tube of 50)
units
- 0.03mA Power Factor Controller -5mA 4500µA 0.06 mA Yes Through Hole PDIP 8 10.92 x 6.6 x 3.32mm 3.32mm 10.92mm 22.5 V
RS Stock No. 175-1120
Mfr. Part No.STNRG011TR
$5.17
Each (In a Pack of 5)
units
- - Power Factor Controller - - - - - - - - - - -
RS Stock No. 175-1117
Mfr. Part No.STNRG011TR
$3.214
Each (On a Reel of 1000)
units
- - Power Factor Controller - - - - - - - - - - -
RS Stock No. 920-8913
Mfr. Part No.L4981AD
$4.632
Each (In a Tube of 40)
units
115 kHz 0.3mA Power Factor Controller 10mA 20000µA 16 mA - Surface Mount SOIC 20 13 x 7.6 x 2.35mm 2.35mm 13mm 19.5 V
RS Stock No. 188-8276
Mfr. Part No.L6563HTR
$1.089
Each (On a Reel of 2500)
units
70 kHz 150µA Power Factor Controller 4mA 4.5mA 6 mA - Surface Mount SO 16 10 x 4 x 1.5mm 1.5mm 10mm 22.5 V
RS Stock No. 379-987
Mfr. Part No.L4981BD
$4.47
Each
units
115 kHz 0.3mA Power Factor Controller 10mA 20000µA 16 mA - Surface Mount SOIC 20 13 x 7.6 x 2.35mm 2.35mm 13mm 19.5 V
RS Stock No. 380-012
Mfr. Part No.L6562D
$1.176
Each (In a Pack of 10)
units
- 0.04mA Power Factor Controller 10mA 10000µA 16 mA - Surface Mount SOIC 8 5 x 4 x 1.25mm 1.25mm 5mm 22 V
New
RS Stock No. 218-4856
Mfr. Part No.STNRG012TR
$3.413
Each (On a Reel of 1000)
units
50 kHz 2mA Digital -1.1mA 1.3mA 2 mA - - SoC 20 - - - 19 V
New
RS Stock No. 218-4858
Mfr. Part No.STNRG012TR
$6.89
Each (In a Pack of 2)
units
50 kHz 2mA Digital -1.1mA 1.3mA 2 mA - - SoC 20 - - - 19 V
RS Stock No. 445-832
Mfr. Part No.L6562AD
$1.174
Each (In a Pack of 5)
units
- 0.03mA Power Factor Controller -5mA 4500µA 0.06 mA Yes Surface Mount SOIC 8 5 x 4 x 1.25mm 1.25mm 5mm 22.5 V
RS Stock No. 168-5829
Mfr. Part No.L6562AD
$0.802
Each (In a Tube of 100)
units
- 0.03mA Power Factor Controller -5mA 4500µA 0.06 mA Yes Surface Mount SOIC 8 5 x 4 x 1.25mm 1.25mm 5mm 22.5 V
RS Stock No. 686-5005
Mfr. Part No.L6562DTR
$1.13
Each (In a Pack of 5)
units
- 0.04mA Power Factor Controller 10mA 10000µA 16 mA - Surface Mount SOIC 8 5 x 4 x 1.25mm 1.25mm 5mm 22 V
RS Stock No. 188-8535
Mfr. Part No.L6562ATDTR
$1.263
Each (In a Pack of 25)
units
70 kHz 60µA Power Factor Controller -5mA 4.5mA 5.5 mA - Surface Mount SO 8 5 x 4 x 1.65mm 1.65mm 5mm 22.5 V
RS Stock No. 165-7479
Mfr. Part No.L6562ADTR
$0.778
Each (On a Reel of 2500)
units
- 0.03mA Power Factor Controller -5mA 4500µA 0.06 mA Yes Surface Mount SOIC 8 5 x 4 x 1.25mm 1.25mm 5mm 22.5 V
RS Stock No. 380-040
Mfr. Part No.L6563
$1.884
Each (In a Pack of 10)
units
- 0.05mA Power Factor Controller -5mA 4500µA 0.09 mA Yes Surface Mount SOIC 14 8.75 x 4 x 1.65mm 1.65mm 8.75mm 22 V