NCP1055ST44T3G

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Part Number	NCP1055ST44T3G
Manufacturer	onsemi
Category	Integrated Circuits (ICs) › AC DC Converters, Offline Switches
Description	IC OFFLINE SWITCH FLYBACK SOT223
Lifecycle	Active
RoHS	No RoHS Information
EDA/CAD Models	NCP1055ST44T3G PCB Footprint and Symbol
Warehouses	USA, Europe, China, Hong Kong SAR
Estimated Delivery	Dec 07 - Dec 11 2025(Choose Expedited Shipping)
Warranty	Up to 1 year [Limited-Warranty]*
Payment
Shipping

NCP1055ST44T3G Specifications

Part Number:	NCP1055ST44T3G
Brand:	onsemi
Lifecycle:	Active
RoHS:	Lead free / RoHS Compliant
Category:	Integrated Circuits (ICs)
Subcategory:	AC DC Converters, Offline Switches
Manufacturer:	onsemi
Product Status:	Obsolete
Output Isolation:	Isolated
Internal Switch(s):	Yes
Voltage - Breakdown:	700V
Topology:	Flyback
Voltage - Start Up:	8.5 V
Voltage - Supply (Vcc/Vdd):	7.5V ~ 10V
Duty Cycle:	77%
Frequency - Switching:	44kHz
Power (Watts):	40 W
Fault Protection:	Current Limiting, Open Loop, Over Load, Over Temperature
Control Features:	-
Operating Temperature:	-40°C ~ 150°C (TJ)
Package / Case:	TO-261-4, TO-261AA
Supplier Device Package:	SOT-223 (TO-261)
Mounting Type:	Surface Mount

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