FSQ321LX

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Part Number	FSQ321LX
Manufacturer	onsemi
Category	Integrated Circuits (ICs) › AC DC Converters, Offline Switches
Description	IC OFFLINE SWITCH FLYBACK 8LSOP
Lifecycle	Active
RoHS	No RoHS Information
EDA/CAD Models	FSQ321LX PCB Footprint and Symbol
Warehouses	USA, Europe, China, Hong Kong SAR
Estimated Delivery	Dec 08 - Dec 12 2025(Choose Expedited Shipping)
Warranty	Up to 1 year [Limited-Warranty]*
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Shipping

FSQ321LX Specifications

Part Number:	FSQ321LX
Brand:	onsemi
Lifecycle:	Active
RoHS:	Lead free / RoHS Compliant
Category:	Integrated Circuits (ICs)
Subcategory:	AC DC Converters, Offline Switches
Manufacturer:	onsemi
Product Status:	Active
Output Isolation:	Isolated
Internal Switch(s):	Yes
Voltage - Breakdown:	650V
Topology:	Flyback
Voltage - Start Up:	12 V
Voltage - Supply (Vcc/Vdd):	8V ~ 20V
Duty Cycle:	-
Frequency - Switching:	55kHz ~ 67kHz
Power (Watts):	12 W
Fault Protection:	Current Limiting, Over Load, Over Temperature, Over Voltage
Control Features:	Sync
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	8-SMD, Gull Wing
Supplier Device Package:	8-LSOP
Mounting Type:	Surface Mount

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