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Secondary Side SR Controllers

Diodes Inc. Secondary Side Synchronous Rectification (SR) Controllers are secondary-side MOSFET drivers for synchronous rectification in DCM operation. These devices can effectively reduce the secondary-side rectifier power dissipation and provide a high-performance solution. The N-Channel MOSFET has been optimized for low gate charge, low R_DS(ON), fast switching speed, and body diode reverse recovery performance. By sensing the MOSFET drain-to-source voltage, these controllers can output an ideal drive signal with fewer external components.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Mounting Style	Package/Case	Output Voltage	Output Power	Supply Voltage - Min	Supply Voltage - Max	Topology	Technology	Duty Cycle - Max	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Output Current	Series	Packaging
	AC/DC Converters ACDC Synch Rect Cont SOT26 T&R 3K APR348W6-7 Diodes Incorporated 1: $0.571 48,940In Stock	Mfr. Part No. APR348W6-7 Mouser Part No 621-APR348W6-7	Diodes Incorporated	AC/DC Converters ACDC Synch Rect Cont SOT26 T&R 3K Learn More about Diodes Incorporated diodes inc secondary side sr controllers	Datasheet	48,940In Stock	Cut Tape $0.571 $0.397 $0.354 $0.306 Reel $0.234 View $0.283 $0.268 $0.257 $0.228 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	SOT-26-6	20 V					Si		125 uA	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
	AC/DC Converters Secondary Side Synch Rect Controller APR347W6-7 Diodes Incorporated 1: $0.49 5,011In Stock	Mfr. Part No. APR347W6-7 Mouser Part No 621-APR347W6-7	Diodes Incorporated	AC/DC Converters Secondary Side Synch Rect Controller Learn More about Diodes Incorporated diodes ap347 ldo rectification controller	Datasheet	5,011In Stock	Cut Tape $0.49 $0.328 $0.29 $0.248 View Reel $0.19 $0.227 $0.215 $0.204 $0.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	SOT-26-6		600 mW	0 V	16 V	Flyback	Si		150 uA	- 40 C	+ 85 C			Reel, Cut Tape, MouseReel
	AC/DC Converters ACDC Synch Rect Cont SO-8 T&R 4K APR34910S-13 Diodes Incorporated 1: $1.66 344In Stock 4,000Expected 5/7/2027	Mfr. Part No. APR34910S-13 Mouser Part No 621-APR34910S-13	Diodes Incorporated	AC/DC Converters ACDC Synch Rect Cont SO-8 T&R 4K Learn More about Diodes Incorporated diodes inc apr34910 secondary side sr switcher		344In Stock 4,000Expected 5/7/2027	Cut Tape $1.66 $1.19 $1.04 $0.947 View Reel $0.748 $0.914 $0.895 $0.88 $0.861 $0.748	Min.: 1 Mult.: 1 : 4,000										Si							Reel, Cut Tape
	AC/DC Converters ACDC Synch Rect N-Ch -0.3 to 6V APR34309CAMPTR-G1 Diodes Incorporated 4,000: $0.672 Non-Stocked Lead-Time 28 Weeks	Mfr. Part No. APR34309CAMPTR-G1 Mouser Part No 621-APR34309CAMPTRG1	Diodes Incorporated	AC/DC Converters ACDC Synch Rect N-Ch -0.3 to 6V Learn More about Diodes Incorporated diodes inc secondary side sr controllers	Datasheet	Non-Stocked Lead-Time 28 Weeks	Reel $0.672	Min.: 4,000 Mult.: 4,000 : 4,000			SMD/SMT	SO-8EP	5.15 V		3.3 V	6 V		Si	18 %	100 uA	- 40 C	+ 85 C	60 mA	APR34309	Reel
	AC/DC Converters ACDC Synch Rect N-Ch 6Vcc 5.15V APR34309CMPTR-G1 Diodes Incorporated 4,000: $0.612 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. APR34309CMPTR-G1 Mouser Part No 621-APR34309CMPTR-G1	Diodes Incorporated	AC/DC Converters ACDC Synch Rect N-Ch 6Vcc 5.15V Learn More about Diodes Incorporated diodes inc secondary side sr controllers	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $0.612	Min.: 4,000 Mult.: 4,000 : 4,000			SMD/SMT	SO-EP-8	5 V		3.3 V	6 V		Si	18 %	100 uA	- 40 C	+ 85 C		APR34309	Reel
	AC/DC Converters ACDC Synch Rect Cont EP APR34509MPTR-G1 Diodes Incorporated 4,000: $0.594 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. APR34509MPTR-G1 Mouser Part No 621-APR34509MPTR-G1	Diodes Incorporated	AC/DC Converters ACDC Synch Rect Cont EP Learn More about Diodes Incorporated diodes inc secondary side sr controllers	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $0.594	Min.: 4,000 Mult.: 4,000 : 4,000			SMD/SMT	SO-8EP	5 V to 12 V		3.3 V	13 V	Flyback	Si		100 uA		+ 150 C	20 A		Reel
	AC/DC Converters ACDC Synch Rect Cont Diodes Incorporated APR34309MPTR-G1 APR34309MPTR-G1 Diodes Incorporated 4,000: $0.669 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. APR34309MPTR-G1 Mouser Part No 621-APR34309MPTR-G1	Diodes Incorporated	AC/DC Converters ACDC Synch Rect Cont Learn More about Diodes Incorporated diodes inc secondary side sr controllers	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $0.669	Min.: 4,000 Mult.: 4,000 : 4,000										Si						APR34309	Reel