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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. Learn more about Power Factor Correction, in our comprehensive guide.

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?

ComputersPower suppliesLightingInduction weldersElectrical motors

524 Products showing for Power Factor Correction

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Stock information currently inaccessible STMicroelectronics STNRGPF12TR, Power Factor Controller, 1 MHz, 6.5 V 38-Pin, TSSOP38 RS Stock No. 202-5526 Mfr. Part No. STNRGPF12TR Subtotal (2500 units, on reels of 2500) CHF.13'072.50(exc. VAT) CHF.5.229/unit Reel(s)	STMicroelectronics	1 MHz	-	28mA	Power Factor Controller IC	34mA	-	7.75mA	-	34 mA	-	-	-	-	TSSOP38	-	38	-	-	-	-	-	6.5 V	-	-	-	-
Stock information currently inaccessible STMicroelectronics STNRGPF12TR, Power Factor Controller, 1 MHz, 6.5 V 38-Pin, TSSOP38 RS Stock No. 202-5527P Mfr. Part No. STNRGPF12TR Subtotal (2 units, supplied on a continuous strip) CHF.13.55(exc. VAT) CHF.6.775/unit Units	STMicroelectronics	1 MHz	-	28mA	Power Factor Controller IC	34mA	-	7.75mA	-	34 mA	-	-	-	-	TSSOP38	-	38	-	-	-	-	-	6.5 V	-	-	-	-
Stock information currently inaccessible STMicroelectronics STNRGPF01TR, Power Factor Controller IC 1 MHz 38-Pin, TSSOP 5.5 V RS Stock No. 202-5525 Mfr. Part No. STNRGPF01TR Subtotal (2 units, in packs of 2) CHF.12.40(exc. VAT) CHF.6.20/unit Pack(s)	STMicroelectronics	-	Power Factor Controller IC	28mA	-	7.75mA	Power Factor Controller	7.75mA	1MHz	-	34mA	Yes	Surface	-	TSSOP	3V	38	-	5.5V	1mm	-40°C	9.7mm	-	-	No	4.4 mm	105°C
Stock information currently inaccessible onsemi NCP1602AEASNT1G, Power Factor Controller, 50 kHz, 18.2 V 6-Pin, TSOP RS Stock No. 121-7875P Mfr. Part No. NCP1602AEASNT1G Subtotal (10 units, supplied on a continuous strip) CHF.6.41(exc. VAT) CHF.0.641/unit Units	ON Semiconductor	50 kHz	-	480µA	-	-	-	-	-	1 mA	-	Yes	-	Surface Mount	TSOP	-	6	3.1 x 1.7 x 1mm	-	1mm	-	3.1mm	18.2 V	-	-	-	+125 °C
Stock information currently inaccessible Texas Instruments UC2854DW, Power Factor Pre-Regulator Circuit, 118 kHz, 35 V 16-Pin, SOIC RS Stock No. 121-9151 Mfr. Part No. UC2854DW Subtotal (40 units, in tubes of 40) CHF.89.68(exc. VAT) CHF.2.242/unit Tube(s)	Texas Instruments	118 kHz	-	1.5mA	Power Factor Pre-Regulator Circuit IC	14µA	-	-	-	10 mA	-	Yes	-	Surface Mount	SOIC	-	16	10.28 x 7.52 x 2.35mm	-	2.35mm	-	10.28mm	35 V	-	-	-	+85 °C
Stock information currently inaccessible onsemi NCP1608BDR2G, Power Factor Controller, 70 kHz, 20 V 8-Pin, SOIC RS Stock No. 162-9003 Mfr. Part No. NCP1608BDR2G Subtotal (2500 units, on reels of 2500) CHF.597.50(exc. VAT) CHF.0.239/unit Reel(s)	ON Semiconductor	70 kHz	-	35µA	-	500mA	-	800mA	-	20 mA	-	Yes	-	Surface Mount	SOIC	-	8	5 x 4 x 1.5mm	-	1.5mm	-	5mm	20 V	-	-	-	+125 °C
Stock information currently inaccessible Power Integrations PFS7623H, Power Factor Controller, 123 kHz, 15 V 16-Pin, eSIP-16D RS Stock No. 146-4566P Mfr. Part No. PFS7623H Subtotal (5 units, supplied in a tube) CHF.2.50(exc. VAT) CHF.0.50/unit Units	Power Integrations	123 kHz	-	-	-	-	-	-	-	0.9 mA	-	Yes	-	Through Hole	eSIP-16D	-	16	16.59 x 2.06 x 8.25mm	-	8.25mm	-	16.59mm	15 V	-	-	-	+150 °C
Stock information currently inaccessible onsemi MC34262PG, Power Factor Controller, 50 kHz, 28 V 8-Pin, PDIP RS Stock No. 145-2882 Mfr. Part No. MC34262PG Subtotal (50 units, in tubes of 50) CHF.24.00(exc. VAT) CHF.0.48/unit Tube(s)	onsemi	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	-	-	-	+85 °C
Stock information currently inaccessible Power Integrations PFS7624H, Power Factor Controller, 123 kHz, 15 V 16-Pin, eSIP-16D RS Stock No. 146-4574P Mfr. Part No. PFS7624H Subtotal (5 units, supplied in a tube) CHF.2.68(exc. VAT) CHF.0.536/unit Units	Power Integrations	123 kHz	-	-	-	-	-	-	-	0.97 mA	-	Yes	-	Through Hole	eSIP-16D	-	16	16.59 x 2.06 x 8.25mm	-	8.25mm	-	16.59mm	15 V	-	-	-	+150 °C
Stock information currently inaccessible onsemi FAN6982MY, Power Factor Controller, 75 kHz, 22 V 14-Pin, SOP RS Stock No. 166-1622 Mfr. Part No. FAN6982MY Subtotal (2500 units, on reels of 2500) CHF.1'250.00(exc. VAT) CHF.0.50/unit Reel(s)	onsemi	75 kHz	-	80µA	Power Factor Controller IC	50µA	-	-35µA	-	-	-	-	-	Surface Mount	SOP	-	14	8.75 x 4 x 1.5mm	-	1.5mm	-	8.75mm	22 V	-	-	-	+105 °C
Stock information currently inaccessible onsemi MC33368DG, Power Factor Controller, 50 kHz, 16 V 16-Pin, SOIC RS Stock No. 145-3378 Mfr. Part No. MC33368DG Subtotal (48 units, in tubes of 48) CHF.99.36(exc. VAT) CHF.2.07/unit Tube(s)	onsemi	50 kHz	-	25mA	Power Factor Controller IC	30µA	-	30µA	-	20 mA	-	Yes	-	Surface Mount	SOIC	-	16	10 x 4 x 1.5mm	-	1.5mm	-	10mm	16 V	-	-	-	+125 °C
Stock information currently inaccessible STMicroelectronics L4981A, Power Factor Controller, 115 kHz, 19.5 V 20-Pin, PDIP RS Stock No. 159-4900 Mfr. Part No. L4981A Subtotal (1 unit) CHF.3.60(exc. VAT) CHF.3.60/unit Units	STMicroelectronics	115 kHz	-	0.3mA	-	10mA	-	20000µA	-	16 mA	-	-	-	Through Hole	PDIP	-	20	25.4 x 7.1 x 2.68mm	-	2.68mm	-	25.4mm	19.5 V	-	-	-	+125 °C
Stock information currently inaccessible STMicroelectronics, Power Factor Controller IC 115 kHz 20-Pin, SOIC 19.5 V RS Stock No. 920-8913 Mfr. Part No. L4981AD Subtotal (40 units, in tubes of 40) CHF.89.60(exc. VAT) CHF.2.24/unit Tube(s)	STMicroelectronics	-	Power Factor Controller IC	0.3mA	-	10mA	Power Factor Controller	20000μA	115kHz	-	16mA	No	Surface	-	SOIC	2.5V	20	-	19.5V	2.35mm	-40°C	13mm	-	-	No	7.6 mm	125°C
Stock information currently inaccessible onsemi NCP1602AEASNT1G, Power Factor Controller, 50 kHz, 18.2 V 6-Pin, TSOP RS Stock No. 163-2562 Mfr. Part No. NCP1602AEASNT1G Subtotal (3000 units, on reels of 3000) CHF.912.00(exc. VAT) CHF.0.304/unit Reel(s)	ON Semiconductor	50 kHz	-	480µA	-	-	-	-	-	1 mA	-	Yes	-	Surface Mount	TSOP	-	6	3.1 x 1.7 x 1mm	-	1mm	-	3.1mm	18.2 V	-	-	-	+125 °C
Stock information currently inaccessible Power Integrations PFS7636H, Power Factor Controller, 123 kHz, 15 V 16-Pin, eSIP-16D RS Stock No. 146-4525 Mfr. Part No. PFS7636H Subtotal (30 units, in tubes of 30) CHF.42.75(exc. VAT) CHF.1.425/unit Tube(s)	Power Integrations	123 kHz	-	-	Power Factor Controller IC	-	-	-	-	1.12 mA	-	Yes	-	Through Hole	eSIP-16D	-	16	16.59 x 2.06 x 8.25mm	-	8.25mm	-	16.59mm	15 V	-	-	-	+150 °C
Stock information currently inaccessible Power Integrations PFS7724L, PFC Controller 60 kHz 16-Pin, eSIP 12 V RS Stock No. 222-6925 Mfr. Part No. PFS7724L Subtotal (2 units, in packs of 2) CHF.4.34(exc. VAT) CHF.2.17/unit Pack(s)	Power Integrations	-	PFC Controller	-	-	-	Power Factor Controller	-	60kHz	-	23A	No	Surface	-	eSIP	5V	16	-	12V	1.96mm	-40°C	16mm	-	-	No	9.25 mm	150°C
Stock information currently inaccessible Infineon IRS2505LTRPBF, Power Factor Controller, 21.8 V 5-Pin, SOT-23 RS Stock No. 165-5273 Mfr. Part No. IRS2505LTRPBF Subtotal (3000 units, on reels of 3000) CHF.711.00(exc. VAT) CHF.0.237/unit Reel(s)	Infineon	-	-	60µA	-	-	-	450mA	-	25 mA	-	Yes	-	Surface Mount	SOT-23	-	5	3 x 1.75 x 1.3mm	-	1.3mm	-	3mm	21.8 V	-	-	-	+125 °C
Stock information currently inaccessible Power Integrations PFS7633H, Power Factor Controller, 123 kHz, 15 V 16-Pin, eSIP-16D RS Stock No. 146-4572 Mfr. Part No. PFS7633H Subtotal (5 units, in packs of 5) CHF.2.50(exc. VAT) CHF.0.50/unit Pack(s)	Power Integrations	123 kHz	-	-	-	-	-	-	-	0.9 mA	-	Yes	-	Through Hole	eSIP-16D	-	16	16.59 x 2.06 x 8.25mm	-	8.25mm	-	16.59mm	15 V	-	-	-	+150 °C
Stock information currently inaccessible Power Integrations PFS7729H, PFC Controller 60 kHz 16-Pin, Plastic eSIP 12 V RS Stock No. 222-6937 Mfr. Part No. PFS7729H Subtotal (2 units, in packs of 2) CHF.5.70(exc. VAT) CHF.2.85/unit Pack(s)	Power Integrations	-	PFC Controller	-	-	-	Power Factor Controller	-	60kHz	-	23A	No	Surface	-	Plastic eSIP	10V	16	-	12V	1.96mm	-40°C	16mm	-	-	No	9.25 mm	150°C
Stock information currently inaccessible onsemi, Power Factor Controller IC 65 kHz 9-Pin, SOIC 35 V RS Stock No. 214-8826 Mfr. Part No. NCP1618ADR2G Subtotal (2500 units, on reels of 2500) CHF.890.00(exc. VAT) CHF.0.356/unit Reel(s)	onsemi	-	Power Factor Controller IC	1mA	-	500mA	Power Factor Controller	800mA	65kHz	-	1mA	Yes	Surface	-	SOIC	9.5V	9	-	35V	1.75mm	-40°C	5mm	-	NCP1618A	No	4 mm	125°C