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

...
Read more Read less

Filters

Viewing 1 - 20 of 135 products
Results per page
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. 772-8884
Mfr. Part No.FAN7930BMX
€0.396
Each (In a Pack of 10)
units
350 kHz 190µA Power Factor Controller -12µA 12µA 3 mA Yes Surface Mount SOP 8 5 x 4 x 1.5mm 1.5mm 5mm 24 V
RS Stock No. 661-6005
Mfr. Part No.UCC3817N
€3.68
Each
units
115 kHz 0.15mA Power Factor Pre-Regulator Circuit - - 20 mA Yes Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 17 V
RS Stock No. 188-8275
Mfr. Part No.L6562ATDTR
€0.552
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. 175-1117
Mfr. Part No.STNRG011TR
€1.875
Each (On a Reel of 1000)
units
- - Power Factor Controller - - - - - - - - - - -
RS Stock No. 661-6014
Mfr. Part No.UCC3818D
€3.85
Each
units
115 kHz 0.15mA Power Factor Pre-Regulator Circuit - - 20 mA Yes Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm 17 V
RS Stock No. 714-7844
Mfr. Part No.L4981AD
€3.36
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. 188-8276
Mfr. Part No.L6563HTR
€0.607
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. 516-5382
Mfr. Part No.MC33262DG
€0.39
Each
units
- 0.25mA Power Factor Controller 0.01mA 500000µA 30 mA Yes Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm -
RS Stock No. 166-1622
Mfr. Part No.FAN6982MY
€0.541
Each (On a Reel of 2500)
units
75 kHz 80µA Power Factor Controller 50µA -35µA - - Surface Mount SOP 14 8.75 x 4 x 1.5mm 1.5mm 8.75mm 22 V
RS Stock No. 121-9158
Mfr. Part No.UCC3818D
€3.276
Each (In a Tube of 40)
units
115 kHz 0.15mA Power Factor Pre-Regulator Circuit - - 20 mA Yes Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm 17 V
RS Stock No. 172-3304
Mfr. Part No.NCP1622BECSNT1G
€0.165
Each (On a Reel of 3000)
units
50 kHz 70µA Power Factor Controller 277µA 42µA 800 mA Yes Surface Mount TSOP 6 3.1 x 1.7 x 1mm 1mm 3.1mm 30 V
RS Stock No. 786-6510
Mfr. Part No.NCP1653ADR2G
€1.626
Each (In a Pack of 5)
units
73.7 kHz 1.5mA Power Factor Controller 100mA 100mA 6 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 14.5 V
RS Stock No. 145-4462
Mfr. Part No.FAN9672Q
€3.102
Each (In a Tray of 250)
units
40 kHz 80µA Power Factor Controller 50µA -40µA, -35 μA 7 mA Yes Surface Mount LQFP 32 9 x 7 x 1.45mm 1.45mm 9mm 30 V
RS Stock No. 168-8024
Mfr. Part No.L6562ATD
€0.552
Each (In a Tube of 100)
units
- 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 Stock No. 661-5162
Mfr. Part No.UC2854BN
€5.57
Each
units
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 Stock No. 181-1943
Mfr. Part No.FPAM50LH60G
€21.59
Each
units
20 kHz - Power Factor Pre-Regulator Circuit - 1mA 2.65 mA - Through Hole S32EA 32 60.5 x 31.5 x 7.3mm 7.3mm 60.5mm 253 Vrms
RS Stock No. 121-8962
Mfr. Part No.UC3854N
€3.465
Each (In a Tube of 25)
units
118 kHz 1.5mA Power Factor Pre-Regulator Circuit 14µA - 10 mA Yes Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 35 V
RS Stock No. 686-5008
Mfr. Part No.L6562ADTR
€0.706
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. 922-3482
Mfr. Part No.UCC2818D
€3.478
Each (In a Tube of 40)
units
- - - - - - - - - - - - - -
RS Stock No. 169-5607
Mfr. Part No.UCC3817N
€3.129
Each (In a Tube of 25)
units
115 kHz 0.15mA Power Factor Pre-Regulator Circuit - - 20 mA Yes Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 4.57mm 19.3mm 17 V