LM2903QDG4Alternatives & Equivalent Parts

LM2903QDG4 is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About LM2903QDG4

LM2903QDG4 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.

Need pricing on these alternatives?

Get one quote covering all 6 alternatives for LM2903QDG4 — response within 24 hours.

Specification Comparison

ParameterLM2903QDG4SourceLM2903DRLM2903DLM2903PCR0603-FX-5100ELFG6B-1114P-FD-US-DC12LM2903QDRQ1
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsBournsOmron ElectronicsTexas Instruments
Package TypeSmall Outline PackagesSOIC-8Resistor ChipOtherSmall Outline Packages
Pin Count88248
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-55.0°C ~ 155.0°C-40.0°C ~ 125.0°C
Price$0.5050$0.0930$0.0855$0.1266$0.0010$4.8880$0.1755
StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYes
Date Of Intro1988-04-01
YTEOL081315
Amplifier TypeCOMPARATORCOMPARATORCOMPARATOR
Average Bias Current-Max (IIB)0.5 µA0.4 µA0.5 µA
Bias Current-Max (IIB) @25C0.05 µA0.25 µA0.05 µA
Input Offset Voltage-Max7000 µV15000 µV7000 µV
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PDSO-G8
JESD-609 Codee4e3e3e4
Number of Functions222
Output TypeOPEN-COLLECTOR; OPEN-DRAINOPEN-COLLECTOROPEN-COLLECTOR; OPEN-DRAIN
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.25SOP8,.3SOP8,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULAR PACKAGERECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMTSMALL OUTLINE
Packing MethodTRTUBETR, PAPER, 7 INCHTR
Peak Reflow Temperature (Cel)260260260
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Response Time-Nom1300 ns1300 ns1300 ns
SubcategoryComparatorComparator
Supply Current-Max1 mA2.5 mA1 mA
Supply Voltage Limit-Max36 V36 V36 V
Supply Voltage-Nom (Vsup)5 V5 V5 V
Surface MountYESYESYESYES
TechnologyBIPOLARBIPOLARMETAL GLAZE/THICK FILMBIPOLAR
Temperature GradeAUTOMOTIVEAUTOMOTIVEAUTOMOTIVE
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)TIN OVER NICKELNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED3030
## LM2903QDG4 Alternates Showing resultsImage
Factory Lead Time8 Weeks12 Weeks
## LM2903D Alternates Showing resultsImage
Reach Compliance CodeCompliant
ConstructionRectangular
Mounting FeatureSURFACE MOUNT
Package Height0.45 mm
Package Length1.6 mm
Package Width0.8 mm
Rated Power Dissipation (P)0.1 W
Rated Temperature70 °C
Resistance510 Ω
Resistor TypeFIXED RESISTOR
Size Code0603
Temperature Coefficient100 ppm/°C
Terminal ShapeWRAPAROUND
Tolerance1%
Working Voltage75 V
Screening LevelAEC-Q100

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

Need pricing on these alternatives?

Get one quote covering all 6 alternatives for LM2903QDG4 — response within 24 hours.

Quick Links

LM2903DRby onsemi

Comparator, 2 Func, 15000uV Offset-Max, 1500ns Response Time, BIPolar, PDSO8

LM2903Dby onsemi

Comparator, 2 Func, 15000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8

LM2903P

suggested

LM2903QDRQ1by Texas Instruments

Comparator, 2 Func, 7000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8

Why Look for Alternatives?

Finding alternatives for LM2903QDG4 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 LM2903QDG4 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 LM2903QDG4?

Known equivalents for LM2903QDG4 include LM2903DR, LM2903D, LM2903P. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM2903QDG4?

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 LM2903QDG4 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.