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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Omschrijving Prijs 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-stocknr. 445-832
FabrikantnummerL6562AD
€ 0,61
Each (In a Pack of 5)
Aantal stuks
- 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-stocknr. 168-5829
FabrikantnummerL6562AD
€ 0,379
Each (In a Tube of 100)
Aantal stuks
- 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-stocknr. 165-7479
FabrikantnummerL6562ADTR
€ 0,315
Each (On a Reel of 2500)
Aantal stuks
- 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-stocknr. 686-5008
FabrikantnummerL6562ADTR
€ 0,588
Each (In a Pack of 5)
Aantal stuks
- 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-stocknr. 121-8960
FabrikantnummerUC3854AN
€ 3,54
Each (In a Tube of 25)
Aantal stuks
115 kHz 0.3mA Power Factor Pre-Regulator Circuit 14µA - 18 mA Yes Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 20 V
RS-stocknr. 809-5021
FabrikantnummerFAN6961SZ
FabrikantON Semiconductor
€ 0,495
Each (In a Pack of 10)
Aantal stuks
60 kHz 20µA Power Factor Controller 800µA 20µA 6 mA Yes Surface Mount SOP 8 5 x 4 x 1.5mm 1.5mm 5mm 30 V
RS-stocknr. 121-6379
FabrikantnummerNCP1654BD133R2G
FabrikantON Semiconductor
€ 0,361
Each (On a Reel of 2500)
Aantal stuks
146 kHz 75µA Power Factor Controller 100mA 100mA 6 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 20 V
RS-stocknr. 714-7844
FabrikantnummerL4981AD
€ 2,80
Each
Aantal stuks
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-stocknr. 920-8913
FabrikantnummerL4981AD
€ 2,366
Each (In a Tube of 40)
Aantal stuks
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-stocknr. 121-8961
FabrikantnummerUC3854BN
€ 3,612
Each (In a Tube of 25)
Aantal stuks
115 kHz 0.3mA Power Factor Pre-Regulator Circuit 14µA - 18 mA Yes Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 20 V
RS-stocknr. 166-2386
FabrikantnummerFAN6961SZ
FabrikantON Semiconductor
€ 0,216
Each (On a Reel of 2500)
Aantal stuks
60 kHz 20µA Power Factor Controller 800µA 20µA 6 mA Yes Surface Mount SOP 8 5 x 4 x 1.5mm 1.5mm 5mm 30 V
RS-stocknr. 919-8819
FabrikantnummerTDA48632GXUMA2
FabrikantInfineon
€ 0,386
Each (On a Reel of 2500)
Aantal stuks
- 100µA Power Factor Controller -6mA 30mA 20 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 22 V
RS-stocknr. 110-7455
FabrikantnummerTDA4862GGEGXUMA2
FabrikantInfineon
€ 0,597
Each (In a Pack of 20)
Aantal stuks
- 4 to 6mA Power Factor Controller -12mA 4mA 8 mA Yes Surface Mount DSO 8 5 x 4 x 1.45mm 1.45mm 5mm -
RS-stocknr. 168-5788
FabrikantnummerL6562D
€ 0,409
Each (In a Tube of 100)
Aantal stuks
- 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-stocknr. 661-5550
FabrikantnummerUCC28070PW
€ 3,39
Each
Aantal stuks
10 to 300 kHz 20mA Power Factor Controller -0.03mA 30µA 20 mA Yes Surface Mount TSSOP 20 6.5 x 4.4 x 1.15mm 1.15mm 6.5mm 21 V
RS-stocknr. 620-0751
FabrikantnummerUC3854BN
€ 4,258
Each (In a Pack of 5)
Aantal stuks
115 kHz 0.3mA Power Factor Pre-Regulator Circuit 14µA - 18 mA Yes Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 20 V
RS-stocknr. 166-1148
FabrikantnummerTDA4862GGEGXUMA2
FabrikantInfineon
€ 0,335
Each (On a Reel of 2500)
Aantal stuks
- 4 to 6mA Power Factor Controller -12mA 4mA 8 mA Yes Surface Mount DSO 8 5 x 4 x 1.45mm 1.45mm 5mm -
RS-stocknr. 753-3223
FabrikantnummerTDA48632GXUMA2
FabrikantInfineon
€ 0,854
Each (In a Pack of 5)
Aantal stuks
- 100µA Power Factor Controller -6mA 30mA 20 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 22 V
RS-stocknr. 380-040
FabrikantnummerL6563
€ 0,993
Each (In a Pack of 10)
Aantal stuks
- 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-stocknr. 786-6526
FabrikantnummerNCP1654BD133R2G
FabrikantON Semiconductor
€ 0,822
Each (On a Tape of 5)
Aantal stuks
146 kHz 75µA Power Factor Controller 100mA 100mA 6 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 20 V