AC DC Converters, Offline Switches

Use the filters and product table below to compare AC DC Converters, Offline Switches components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

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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
NCP1237BD65R2G IC OFFLINE SWITCH FLYBACK 7SOIC onsemi	1,418	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width), 7 Leads	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	12 V	9.5V ~ 28V	80%	65kHz	-	Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit	-	-40°C ~ 150°C (TJ)	-	-	7-SOIC	Surface Mount
NCP1230D100R2G IC OFFLINE SWITCH FLYBACK 8SOIC onsemi	4,212	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	12.6 V	7.7V ~ 18V	80%	100kHz	-	Current Limiting, Over Temperature, Over Voltage, Short Circuit	-	-40°C ~ 125°C (TJ)	-	-	8-SOIC	Surface Mount
NCP1054ST44T3G IC OFFLINE SWITCH FLYBACK SOT223 onsemi	3,807	-	RFQ	Datasheet	-	TO-261-4, TO-261AA	Tape & Reel (TR)	Obsolete	Isolated	Yes	700V	Flyback	8.5 V	7.5V ~ 10V	77%	44kHz	40 W	Current Limiting, Open Loop, Over Load, Over Temperature	-	-40°C ~ 150°C (TJ)	-	-	SOT-223 (TO-261)	Surface Mount
SC1399AEDR2G IC OFFLINE SWITCH onsemi	40,000	-	RFQ	Datasheet	*	-	Bulk	Active	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
NCP1129BP65G IC OFFLINE SWITCH FLYBACK 7DIP onsemi	1,399	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm), 7 Leads	Bulk	Obsolete	Isolated	Yes	650V	Flyback	17 V	8.5V ~ 35V	80%	65kHz	43 W	Over Load, Over Temperature, Over Voltage, Short Circuit	-	-40°C ~ 150°C (TJ)	-	-	7-PDIP	Through Hole
NCP1129AP100G IC OFFLINE SWITCH FLYBACK 7DIP onsemi	2,575	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm), 7 Leads	Bulk	Obsolete	Isolated	Yes	650V	Flyback	17 V	8.8V ~ 35V	80%	100kHz	43 W	Over Load, Over Temperature, Over Voltage, Short Circuit	-	-40°C ~ 150°C (TJ)	-	-	7-PDIP	Through Hole
NCP1280DR2 IC OFFLINE SW MULT TOP 16SOIC onsemi	3,678	-	RFQ	Datasheet	-	16-SOIC (0.154", 3.90mm Width)	Tape & Reel (TR)	Obsolete	Isolated	No	700V	Forward, Secondary Side SR	11 V	7V ~ 25V	62%, 80%	150kHz ~ 300kHz	-	Current Limiting, Over Voltage	Frequency Control, Soft Start	-40°C ~ 125°C (TJ)	-	-	16-SOIC	Surface Mount
NCP1339IDR2G IC OFFLINE SWITCH FLYBACK 14SOIC onsemi	1,664	-	RFQ	Datasheet	-	14-SOIC (0.154", 3.90mm Width), 13 Leads	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	15 V	10V ~ 28V	-	-	-	Current Limiting, Over Temperature, Over Voltage	-	-40°C ~ 125°C (TJ)	-	-	14-SOIC	Surface Mount
NCP1238AD65R2G IC OFFLINE SWITCH FLYBACK 7SOIC onsemi	4,287	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width), 7 Leads	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	12 V	9.5V ~ 28V	80%	65kHz	-	Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit	-	-40°C ~ 150°C (TJ)	-	-	7-SOIC	Surface Mount
NCP1339GDR2G IC OFFLINE SWITCH FLYBACK 14SOIC onsemi	3,442	-	RFQ	Datasheet	-	14-SOIC (0.154", 3.90mm Width), 13 Leads	Tape & Reel (TR)	Obsolete	Isolated	No	-	Flyback	15 V	10V ~ 28V	-	-	-	Current Limiting, Over Load, Over Temperature, Over Voltage	-	-40°C ~ 125°C (TJ)	-	-	14-SOIC	Surface Mount

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FREQUENTLY ASKED QUESTIONS

AC DC Converters, Offline Switches FAQ

Common questions about filtering, comparing and sourcing AC DC Converters, Offline Switches components.

How can I narrow the AC DC Converters, Offline Switches selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific AC DC Converters, Offline Switches part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.