ZD Integrated Circuits · Authentic parts, guaranteed — AS6081 counterfeit-avoidance since 1992
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ZD Integrated Circuits
TOP255Y — to220 package (representative)
to220
Representative of package type
Power Integrations

TOP255Y

Integrated Off-Line Switcher · TO-220-7C · Power Management
Part Status: Active
Manufacturer
Power Integrations
Mfr Part #
TOP255Y
Series
TOPSwitch-HX
Category
Integrated Off-Line Switcher
Datasheet
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Availability & Pricing
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Product Attributes

Electrical & Parametric
Output Power 230Vac81 W
Output Power 85-265Vac57 W
Switching Frequency66 kHz / 132 kHz
Physical & Thermal
Package / CaseTO-220-7C
Mounting TypeThrough Hole
SeriesTOPSwitch-HX
Operating Temperature-40°C ~ 150°C
Classification & Lifecycle
CategoryIntegrated Off-Line Switcher
TypePower Management
Part StatusActive

57 W/81 W integrated off-line switcher, TOPSwitch-HX family

Environmental & Export Classifications

RoHS Status
RoHS Compliant
REACH Status
Moisture Sensitivity (MSL)
ECCN
HTSUS

Part Activity

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Engineering FAQ

answers from this part's real data
What are the key specifications of TOP255Y?
Output Power 230Vac: 81 W; Output Power 85-265Vac: 57 W; Switching Frequency: 66 kHz / 132 kHz.
What package is TOP255Y supplied in?
TOP255Y is supplied in the TO-220-7C package, through hole, rated -40°C ~ 150°C.
Can ZDI source TOP255Y beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
Source-country supplier analysis, rating & review
Incoming inspection, RoHS verification, bake, full lot traceability
ESD-controlled handling · authentic parts guaranteed

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