UC3879DWTRAlternatives & Equivalent Parts

About UC3879DWTR

UC3879DWTR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterUC3879DWTRSourceUC2879DWTRUC3879DW
ManufacturerTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeSmall Outline PackagesSmall Outline Packages—
Pin Count2020—
Temperature Range~ 70.0°C-40.0°C ~ 85.0°C—
Price$8.8100$10.7708$5.0000
StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVE—
Electrical Parameters
Pbfree CodeYesYes—
YTEOL1515—
Additional FeatureALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANTALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANT—
Analog IC - Other TypeSWITCHING CONTROLLERSWITCHING CONTROLLER—
Control ModeCURRENT/VOLTAGE-MODECURRENT/VOLTAGE-MODE—
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATION—
Input Voltage-Max20 V20 V—
Input Voltage-Min11 V11 V—
Input Voltage-Nom12 V12 V—
JESD-30 CodeR-PDSO-G20R-PDSO-G20—
JESD-609 Codee4e4—
Number of Functions11—
Output Current-Max0.1 A0.1 A—
Output Voltage-Max5.08 V——
Output Voltage-Min4.92 V——
Output Voltage-Nom5 V——
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY—
Package Equivalence CodeSOP20,.4SOP20,.4—
Package ShapeRECTANGULARRECTANGULAR—
Package StyleSMALL OUTLINESMALL OUTLINE—
Peak Reflow Temperature (Cel)260260—
Qualification StatusNot QualifiedNot Qualified—
Supply Current-Max (Isup)35 mA35 mA—
Surface MountYESYES—
Switcher ConfigurationBUCK-BOOSTPUSH-PULL—
Switching Frequency-Max300 kHz300 kHz—
TechnologyBIPOLARBIPOLAR—
Temperature GradeCOMMERCIALINDUSTRIAL—
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)—
Terminal FormGULL WINGGULL WING—
Terminal Pitch1.27 mm1.27 mm—
Terminal PositionDUALDUAL—
Time@Peak Reflow Temperature-Max (s)3030—
Supply Voltage-Max (Vsup)—29 V—
Supply Voltage-Min (Vsup)—10.75 V—

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Get one quote covering all 2 alternatives for UC3879DWTR — response within 24 hours.

Quick Links

UC2879DWTRby Texas Instruments

Switching Controller, Current/voltage-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDSO20

UC3879DWby Unitrode Corporation

Switching Controller, Current-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDSO20

Why Look for Alternatives?

Finding alternatives for UC3879DWTR is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating UC3879DWTR replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to UC3879DWTR?

Known equivalents for UC3879DWTR include UC2879DWTR, UC3879DW. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of UC3879DWTR?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify UC3879DWTR alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.