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. 181-1939
Mfr. Part No.FPAB30BH60B
HK$142.05
Each
units
20 kHz - Power Factor Pre-Regulator Circuit - 5mA 26 mA - Through Hole SPMIC 27 44.2 x 27 x 5.7mm 5.7mm 44.2mm 253 Vrms
RS Stock No. 146-4554
Mfr. Part No.PFS7625L
HK$26.062
Each (In a Pack of 5)
units
123 kHz - Power Factor Controller - - 1.05 mA Yes Through Hole ESIP-16G 16 16.59 x 2.06 x 8.25mm 8.25mm 16.59mm 15 V
RS Stock No. 146-4525
Mfr. Part No.PFS7636H
HK$31.223
Each (In a Tube of 30)
units
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 Stock No. 178-4560
Mfr. Part No.NCP1616A1DR2G
HK$10.753
Each (In a Pack of 10)
units
50 kHz 16.5mA Power Factor Controller 500mA 800mA 3.5 mA - Surface Mount SOIC 9 5 x 4 x 1.75mm 1.75mm 5mm 28 V
RS Stock No. 161-2670
Mfr. Part No.NCP1631DR2G
HK$18.684
Each (In a Pack of 10)
units
130 kHz 100µA Power Factor Controller 500mA 800mA 7 mA Yes Surface Mount SOIC 16 10 x 4 x 1.5mm 1.5mm 10mm 20 V
RS Stock No. 168-5789
Mfr. Part No.L6563
HK$11.772
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. 169-5530
Mfr. Part No.UCC28061D
HK$28.928
Each (In a Tube of 40)
units
45 kHz 0.1mA Power Factor Controller -0.19mA 32µA 8 mA Yes Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 1.58mm 9.9mm 21 V
RS Stock No. 121-9158
Mfr. Part No.UCC3818D
HK$30.639
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. 181-1883
Mfr. Part No.FPAM50LH60G
HK$301.896
Each (In a Tube of 48)
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. 922-3467
Mfr. Part No.UC3854BDW
HK$35.396
Each (In a Tube of 40)
units
- - - - - - - - - - - - - -
RS Stock No. 145-4463
Mfr. Part No.FAN9673Q
HK$34.661
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. 168-5788
Mfr. Part No.L6562D
HK$4.238
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. 145-2882
Mfr. Part No.MC34262PG
HK$5.496
Each (In a Tube of 50)
units
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 Stock No. 202-5524
Mfr. Part No.STNRGPF01TR
HK$30.009
Each (On a Reel of 2500)
units
1 MHz 28mA Power Factor Controller 7.75mA 7.75mA 34 mA - - TSSOP38 38 - - - 5.5 V
RS Stock No. 195-2491
Mfr. Part No.NIS5020MT2TXG
HK$13.66
Each (In a Pack of 25)
units
- - Power Factor Controller - - 10 A - Surface Mount WDFN 10 3 x 3 x 0.75mm 0.75mm 3mm 18 V
RS Stock No. 165-7479
Mfr. Part No.L6562ADTR
HK$4.476
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. 162-6032
Mfr. Part No.UC2854N
HK$31.72
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. 172-3387
Mfr. Part No.NCP1622BECSNT1G
HK$6.407
Each (In a Pack of 25)
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. 145-0095
Mfr. Part No.UCC28019D
HK$12.579
Each (In a Tube of 75)
units
68.3 kHz 0.1mA Power Factor Controller -0.038mA 38µA 10 mA Yes Surface Mount SOIC 8 4.9 x 3.91 x 1.58mm 1.58mm 4.9mm 22 V
RS Stock No. 786-6510
Mfr. Part No.NCP1653ADR2G
HK$14.018
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