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onsemi NCP1051ST100T3G AC DC Converters, Offline Switchers

IC OFFLINE SWITCH FLYBACK SOT223

19,212onsemiTO-261-4, TO-261AA$0.93RoHS
NCP1051ST100T3G TO-261-4, TO-261AA package illustration

Same model may have multiple batches, images only for reference.

NCP1051ST100T3G
Manufacturer
Part Number (MPN)
NCP1051ST100T3G
Detailed Description
IC OFFLINE SWITCH FLYBACK SOT223
Package
TO-261-4, TO-261AA
Key Features
Package / Case: TO-261-4, TO-261AA; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
PDF NCP1051ST100T3G Datasheet
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Technical Specifications

onsemi NCP1051ST100T3G AC DC Converters, Offline Switchers technical specifications.

General

RoHS
Yes
Package / Case
TO-261-4, TO-261AA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TJ)
Supply Voltage
7.5V ~ 10V
Lifecycle Status
Obsolete
Voltage Breakdown
700V
Power Watts
40 W
Internal Switch S
Yes
Switching Frequency
100kHz

Alternate Parts Comparison (NCP1051ST100T3G vs NCP1011ST130T3 vs NCP1013ST65T3G vs NCP1012ST130T3)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / CaseTO-261-4, TO-261AATO-261-4, TO-261AATO-261-4, TO-261AATO-261-4, TO-261AA
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 150°C (TJ)-40°C ~ 150°C (TJ)-40°C ~ 150°C (TJ)-40°C ~ 150°C (TJ)
Supply Voltage7.5V ~ 10V8.5V ~ 10V8.5V ~ 10V8.5V ~ 10V
Switching Frequency100kHz130kHz65kHz130kHz
RoHSYesYesYesYes
Lifecycle StatusObsoleteObsoleteLast Time BuyObsolete
Duty Cycle77%67%67%67%
Fault ProtectionCurrent Limiting, Open Loop, Over Load, Over TemperatureOver Load, Over Temperature, OverOver Load, Over Temperature, OverOver Load, Over Temperature, Over
Internal Switch SYesYesYesYes
Output IsolationIsolatedIsolatedIsolatedIsolated
PackageSOT-223-4 , TO-261-4DTO-261-4, TO-261AASOT223-4TO-261-4, TO-261AA
Action

Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

NCP1071STBT3GNCP1071STBT3Gonsemi
Similaronsemi
Pin YesPkg YesElec Mixed
High-Voltage Switcher for Low Power Offline SMPS, 4000-REEL

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