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. 145-3378
FabrikantnummerMC33368DG
FabrikantON Semiconductor
1,228 €
Each (In a Tube of 48)
Aantal stuks
50 kHz 25mA Power Factor Controller 30µA 30µA 20 mA Yes Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 16 V
RS-stocknr. 786-8727
FabrikantnummerMC33368DG
FabrikantON Semiconductor
1,465 €
Each (In a Pack of 2)
Aantal stuks
50 kHz 25mA Power Factor Controller 30µA 30µA 20 mA Yes Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 16 V
RS-stocknr. 753-3223
FabrikantnummerTDA48632GXUMA2
FabrikantInfineon
0,836 €
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. 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. 380-012
FabrikantnummerL6562D
0,542 €
Each (In a Pack of 10)
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. 145-2882
FabrikantnummerMC34262PG
FabrikantON Semiconductor
0,557 €
Each (In a Tube of 50)
Aantal stuks
50 kHz 0.4mA - 200mA 200mA 20 mA Yes Through Hole PDIP 8 10.02 x 7.11 x 5.33mm 5.33mm 10.02mm 28 V
RS-stocknr. 829-0006
FabrikantnummerL6562ATD
0,619 €
Each (In a Pack of 10)
Aantal stuks
- 60µA Power Factor Controller -5mA 4.5mA 5.5 mA - Surface Mount SOIC 8 5 x 4 x 1.65mm 1.65mm 5mm 22.5 V
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. 121-8961
FabrikantnummerUC3854BN
3,511 €
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. 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. 162-7991
FabrikantnummerUCC28019AD
1,027 €
Each (In a Tube of 75)
Aantal stuks
71 kHz 200µA Power Factor Controller -300µA 38µA 10 mA Yes Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 21 V
RS-stocknr. 812-4325
FabrikantnummerUCC28019AD
1,294 €
Each (In a Pack of 5)
Aantal stuks
71 kHz 200µA Power Factor Controller -300µA 38µA 10 mA Yes Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 21 V
RS-stocknr. 620-0751
FabrikantnummerUC3854BN
4,13 €
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. 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. 686-5005
FabrikantnummerL6562DTR
0,33 €
Each (In a Pack of 5)
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. 168-8024
FabrikantnummerL6562ATD
0,42 €
Each (In a Tube of 100)
Aantal stuks
- 60µA Power Factor Controller -5mA 4.5mA 5.5 mA - Surface Mount SOIC 8 5 x 4 x 1.65mm 1.65mm 5mm 22.5 V
RS-stocknr. 146-4525
FabrikantnummerPFS7636H
1,562 €
Each (In a Tube of 30)
Aantal stuks
123 kHz - Power Factor Controller - - 1.12 mA Yes Through Hole eSIP-16D 16 16.59 x 2.06 x 8.25mm 8.25mm 16.59mm 15 V
RS-stocknr. 178-4568
FabrikantnummerNCP1622DCCSNT1G
FabrikantON Semiconductor
0,18 €
Each (In a Pack of 10)
Aantal stuks
50 kHz 70µA Power Factor Controller 277µA 42µA 3 mA - Surface Mount TSOP 6 3.1 x 1.7 x 1mm 1mm 3.1mm 30 V
RS-stocknr. 168-5787
FabrikantnummerL4981BD
2,087 €
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. 165-5273
FabrikantnummerIRS2505LTRPBF
FabrikantInfineon
0,261 €
Each (On a Reel of 3000)
Aantal stuks
- 60µA - - 450mA 25 mA Yes Surface Mount SOT-23 5 3 x 1.75 x 1.3mm 1.3mm 3mm 21.8 V