AC DC Converters, Offline Switches

Browse available AC DC Converters, Offline Switches part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

Compare Part Numbers Review available models and manufacturers

Datasheets & Specifications Access technical references quickly

RFQ & BOM Support Send quantities for sourcing and quotation

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Output Isolation	Internal Switch(s)	Voltage - Breakdown	Topology	Voltage - Start Up	Voltage - Supply (Vcc/Vdd)	Duty Cycle	Frequency - Switching	Power (Watts)	Fault Protection	Control Features	Operating Temperature	Grade	Qualification	Supplier Device Package	Mounting Type
NCP1377DR2 IC OFFLINE SWITCH FLYBACK 8SOIC onsemi	4,246	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	12.5 V	7.5V ~ 18V	-	Up to 100kHz	-	Current Limiting, Over Temperature, Over Voltage	-	-40°C ~ 125°C (TJ)	-	-	8-SOIC	Surface Mount
NCP1217D65R2 IC OFFLINE SWITCH FLYBACK 8SOIC onsemi	3,077	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	12.8 V	7.6V ~ 16V	74%	65kHz	-	Over Load, Over Temperature, Short Circuit	-	0°C ~ 150°C (TJ)	-	-	8-SOIC	Surface Mount
FT838D2-BL-RT IC OFFLINE SW FLYBACK SOT23-5 Fremont Micro Devices Ltd	2,643	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Active	Isolated	No	-	Flyback	17.6 V	6.6V ~ 30V	-	-	18 W	Current Limiting, Open Circuit, Over Temperature, Over Voltage	-	-40°C ~ 125°C (TA)	-	-	SOT-23-5	Surface Mount
FT838D1-BL-RT IC OFFLINE SW FLYBACK SOT23-5 Fremont Micro Devices Ltd	2,135	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Active	Isolated	No	-	Flyback	17.6 V	6.6V ~ 30V	-	-	18 W	Current Limiting, Open Circuit, Over Temperature, Over Voltage	-	-40°C ~ 125°C (TA)	-	-	SOT-23-5	Surface Mount
SCM1733ASA PWM CONTROLLER PMIC 10-26V 2.5-3 Mornsun America, LLC	3,990	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Not For New Designs	Isolated	Yes	650V	Flyback	17.3 V	10V ~ 26V	80%	65kHz	20 W	Current Limiting, Over Load, Over Temperature, Over Voltage, UVLO	Soft Start	-40°C ~ 125°C (TJ)	-	-	8-SOP	Surface Mount
NCP1201D100R2G IC OFFLINE SWITCH FLYBACK 8SOIC onsemi	1,645	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Isolated	No	500V	Flyback	-	16V (Max)	83%	100kHz	-	Over Load, Over Temperature, Short Circuit	-	-40°C ~ 150°C (TJ)	-	-	8-SOIC	Surface Mount
NCP1340A3D1R2G IC OFFLINE SWITCH FLYBACK 9SOIC onsemi	1,994	-	RFQ	Datasheet	-	10-SOP (0.154", 3.90mm Width), 9 Leads	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	17 V	9V ~ 28V	-	360kHz	-	Current Limiting, Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit	-	-40°C ~ 125°C (TJ)	-	-	9-SOIC	Surface Mount
MC44608P100 IC OFFLINE SWITCH FLYBACK 8DIP onsemi	4,037	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm)	Tube	Obsolete	Isolated	No	-	Flyback	13.1 V	6.6V ~ 16V	82%	100kHz	-	Current Limiting, Over Temperature, Over Voltage	-	-25°C ~ 150°C (TJ)	-	-	8-PDIP	Through Hole
NCP1344BD1R2G IC OFFLINE SWITCH onsemi	1,202	-	RFQ	Datasheet	*	-	Tape & Reel (TR)	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
NCP1216P100G IC OFFLINE SWITCH FLYBACK 7DIP onsemi	4,900	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm), 7 Leads	Bulk	Obsolete	Isolated	No	-	Flyback	-	10V ~ 16V	75%	100kHz	-	Over Load, Over Temperature, Short Circuit	-	0°C ~ 150°C (TJ)	-	-	7-PDIP	Through Hole
NCP1254ASN65T1G IC OFFLINE SWITCH FLYBACK 6TSOP onsemi	3,895	-	RFQ	Datasheet	-	SOT-23-6 Thin, TSOT-23-6	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	18 V	8.8V ~ 35V	80%	65kHz	-	Over Load, Over Power, Over Voltage, Short Circuit	-	-40°C ~ 125°C (TJ)	-	-	6-TSOP	Surface Mount
DNP015 SPST Fairchild Semiconductor	120,000	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm)	Bulk	Active	Non-Isolated	Yes	700V	Flyback	12 V	-	80%	100kHz	25 W	Current Limiting, Open Loop, Over Temperature, Over Voltage	EN, Soft Start	-40°C ~ 105°C (TA)	-	-	8-MDIP	Through Hole
NCP1207P IC OFFLINE SWITCH FLYBACK 8DIP onsemi	3,774	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm)	Tube	Obsolete	Isolated	No	-	Flyback	-	10.6V ~ 16V	-	-	-	Current Limiting, Over Load, Over Temperature, Over Voltage	-	-40°C ~ 125°C (TJ)	-	-	8-PDIP	Through Hole
NCP1216P133 IC OFFLINE SWITCH FLYBACK 7DIP onsemi	2,187	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm), 7 Leads	Tube	Obsolete	Isolated	No	-	Flyback	-	10V ~ 16V	75%	133kHz	-	Over Load, Over Temperature, Short Circuit	-	0°C ~ 150°C (TJ)	-	-	7-PDIP	Through Hole
NCP1200AD60R2 IC OFFLINE SWITCH FLYBACK 8SOIC onsemi	2,611	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	-	16V (Max)	83%	60kHz	-	Current Limiting, Over Load, Short Circuit	-	0°C ~ 125°C (TJ)	-	-	8-SOIC	Surface Mount
NCP1249AD65R2G IC OFFLINE SWITCH FLYBACK 9SOIC onsemi	1,497	-	RFQ	Datasheet	-	10-SOP (0.154", 3.90mm Width), 9 Leads	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	18 V	10V ~ 30V	80%	65kHz	-	Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit	-	-40°C ~ 125°C (TJ)	-	-	9-SOIC	Surface Mount
NCP1249BD65R2G IC OFFLINE SWITCH FLYBACK 9SOIC onsemi	2,654	-	RFQ	Datasheet	-	10-SOP (0.154", 3.90mm Width), 9 Leads	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	18 V	10V ~ 30V	80%	65kHz	-	Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit	-	-40°C ~ 125°C (TJ)	-	-	9-SOIC	Surface Mount
FSQ500SL SWITCHING CONTROLLER, CURRENT-MO Fairchild Semiconductor	4,000	-	RFQ	Datasheet	*	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
NCP1216AP100 IC OFFLINE SWITCH FLYBACK 7DIP onsemi	3,776	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm), 7 Leads	Tube	Obsolete	Isolated	No	-	Flyback	-	10V ~ 16V	46.5%	100kHz	-	Over Load, Over Temperature, Short Circuit	-	0°C ~ 150°C (TJ)	-	-	7-PDIP	Through Hole
NCP1217AP133 IC OFFLINE SWITCH FLYBACK 7DIP onsemi	1,919	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm), 7 Leads	Tube	Obsolete	Isolated	No	-	Flyback	12.8 V	7.6V ~ 16V	46.5%	133kHz	-	Over Load, Over Temperature, Short Circuit	-	0°C ~ 150°C (TJ)	-	-	7-PDIP	Through Hole

WINSUN SOURCING SUPPORT

Need AC DC Converters, Offline Switches Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

Global component sourcing support BOM, shortage and EOL support

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

FREQUENTLY ASKED QUESTIONS

AC DC Converters, Offline Switches FAQ

Common questions about selecting, comparing and sourcing AC DC Converters, Offline Switches components through Winsun (HK) Electronics.

What should I check when selecting AC DC Converters, Offline Switches components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

Can Winsun help source specific AC DC Converters, Offline Switches part numbers?

Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

Do you support shortage, obsolete or hard-to-find AC DC Converters, Offline Switches parts?

Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

How do I request a quote for AC DC Converters, Offline Switches components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.