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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.

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Photo 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
UCC3809D-1 Unitrode

UCC3809D-1

UCC3809-1 ECONOMY PRIMARY SIDE C

Unitrode

1,200 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - -
UCC3809P-1 Unitrode

UCC3809P-1

IC OFFLINE SW MULT TOP 8VSSOP

Unitrode

240 -
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Isolated No - Boost, Buck, Flyback, Forward 15 V 8V ~ 19V 70% 1MHz - - Frequency Control, Soft Start -55°C ~ 150°C (TJ) - - 8-VSSOP Surface Mount
FSFR1600XS Fairchild Semiconductor

FSFR1600XS

IC OFFLINE SW HALF-BRIDGE 9SIP

Fairchild Semiconductor

3,040 -
Datasheet FSFR-XS 10-SSIP Module, 9 Leads, Formed Leads Bulk Active Isolated Yes 500V Half-Bridge 12.5 V 10V ~ 25V 50% Up to 300kHz 160 W Current Limiting, Over Temperature, Over Voltage Frequency Control -40°C ~ 130°C (TJ) - - 9-SIP Through Hole
UCC3802PW Unitrode

UCC3802PW

IC OFFLINE SW MULT TOP 8TSSOP

Unitrode

300 -
Datasheet - 8-TSSOP (0.173", 4.40mm Width) Bulk Active - No - Boost, Buck, Flyback, Forward 12.5 V 8.3V ~ 12V 99% Up to 1MHz - Current Limiting Frequency Control -40°C ~ 85°C (TA) - - 8-TSSOP Surface Mount
UCC35706DGK Unitrode

UCC35706DGK

IC OFFLINE SW MULT TOP 8VSSOP

Unitrode

4,895 -
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Isolated No - Boost, Flyback, Forward 12 V 8V ~ 15V 93% 1MHz - Current Limiting - -55°C ~ 150°C (TJ) - - 8-VSSOP Surface Mount
UCC3809D-2 Unitrode

UCC3809D-2

IC OFFLINE SWITCH MULT TOP 8SOIC

Unitrode

731 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Active Isolated No - Boost, Buck, Flyback, Forward 15 V 8V ~ 19V 70% 1MHz - - Frequency Control, Soft Start -55°C ~ 150°C (TJ) - - 8-SOIC Surface Mount
MIC38C44YN Microchip Technology

MIC38C44YN

IC OFFLINE SWITCH MULT TOP 8DIP

Microchip Technology

14,200 -
Datasheet - 8-DIP (0.300", 7.62mm) Bulk Active Isolated Yes - Boost, Buck, Flyback, Forward 14.5 V 9V ~ 20V 50% 500kHz - - Frequency Control -40°C ~ 150°C (TJ) - - 8-DIP Through Hole
UCC25706D Unitrode

UCC25706D

IC OFFLINE SWITCH MULT TOP 8SOIC

Unitrode

12,225 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Active Isolated No - Boost, Flyback, Forward 12 V 8V ~ 15V 93% 1MHz - Current Limiting - -55°C ~ 150°C (TJ) - - 8-SOIC Surface Mount
MIC38C44-1YM Microchip Technology

MIC38C44-1YM

IC OFFLINE SW MULT TOP 14SOIC

Microchip Technology

1,353 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Bulk Active Isolated Yes - Boost, Buck, Flyback, Forward 14.5 V 9V ~ 20V 50% 500kHz - - Frequency Control -40°C ~ 150°C (TJ) - - 14-SOIC Surface Mount
UCC3813N-2 Unitrode

UCC3813N-2

IC OFFLINE SWITCH MULT TOP 8DIP

Unitrode

424 -
Datasheet - 8-DIP (0.300", 7.62mm) Bulk Active Non-Isolated Yes - Boost, Buck, Flyback, Forward 12.5 V 8.3V ~ 12V 99% 1MHz - - Frequency Control -55°C ~ 150°C (TJ) - - 8-PDIP Through Hole
FSQ0765RSUDTU Fairchild Semiconductor

FSQ0765RSUDTU

IC OFFLINE SW FLBACK TO220F-6L

Fairchild Semiconductor

3,000 -
Datasheet FPS™ TO-220-6 Full Pack, Formed Leads Bulk Active Isolated Yes 650V Flyback 12 V 8V ~ 20V - 48kHz ~ 67kHz 90 W Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit Sync -25°C ~ 85°C (TA) - - TO-220F-6L (U-Forming) Through Hole
UCC2809P-2 Unitrode

UCC2809P-2

IC OFFLINE SW MULT TOP 8VSSOP

Unitrode

293 -
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Isolated No - Boost, Flyback, Forward 15 V 8V ~ 19V 70% 1MHz - - Frequency Control, Soft Start -55°C ~ 150°C (TJ) - - 8-VSSOP Surface Mount
ISL8842AMUZ-T Intersil

ISL8842AMUZ-T

IC OFFLINE SWITCH MULT TOP 8MSOP

Intersil

2,000 -
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Non-Isolated No - Boost, Flyback 14.4 V 8.8V ~ 30V 96% Up to 2MHz - Current Limiting Frequency Control -55°C ~ 125°C (TA) - - 8-MSOP Surface Mount
ISL8842AMUZ Intersil

ISL8842AMUZ

IC OFFLINE SWITCH MULT TOP 8MSOP

Intersil

287 -
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Non-Isolated No - Boost, Flyback 14.4 V 8.8V ~ 30V 96% Up to 2MHz - Current Limiting Frequency Control -55°C ~ 125°C (TA) - - 8-MSOP Surface Mount
FSFR1800HSL Fairchild Semiconductor

FSFR1800HSL

HALF BRIDGE BASED PERIPHERAL DRI

Fairchild Semiconductor

57,325 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - -
FSFR1800XSL Fairchild Semiconductor

FSFR1800XSL

HALF BRIDGE BASED PERIPHERAL DRI

Fairchild Semiconductor

20,520 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - -
FSBH0F70WANY Fairchild Semiconductor

FSBH0F70WANY

700V INTEGRATED POWER SWITCH FOR

Fairchild Semiconductor

24,000 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - -
UCC25706DGK Unitrode

UCC25706DGK

IC OFFLINE SW MULT TOP 8VSSOP

Unitrode

6,500 -
Datasheet - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Isolated No - Boost, Flyback, Forward 12 V 8V ~ 15V 93% 1MHz - Current Limiting - -55°C ~ 150°C (TJ) - - 8-VSSOP Surface Mount
UCC3889N Unitrode

UCC3889N

UCC3889 OFF-LINE POWER SUPPLY CO

Unitrode

268 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - -
FSQ0565RQWDTU onsemi

FSQ0565RQWDTU

SWITCHING CONTROLLER, CURRENT-MO

onsemi

1,826 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - -
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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
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.