T491D476K010ATAlternatives & Equivalent Parts

About T491D476K010AT

T491D476K010AT is a Capacitor Polarised component manufactured by Kemet. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterT491D476K010ATSource24LC1025-I/SM24LC1026-I/P24LC128-I/MF24LC128-I/P24LC128-I/SMGRM21BR71C475KA73L
ManufacturerKemetMicrochipMicrochipMicrochipMicrochipMicrochipMurata Electronics
Package TypeOtherSmall Outline PackagesDual-In-Line PackagesSmall Outline No-leadDual-In-Line PackagesSmall Outline PackagesCapacitor Chip Non-polarised
Pin Count2888882
Temperature Range—-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-55.0°C ~ 125.0°C
Price$0.0800$1.6400$3.3700$0.8500$0.4250$0.3700$0.0563
StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
Lifecycle—ACTIVEACTIVEACTIVEACTIVEACTIVEOBSOLETE
Electrical Parameters
Pbfree Code—Yes—YesYesYesYes
Manufacturer Package Code—SOIJ-8PDIP-8DFN-S-8PDIP-8SOIJ-8—
Factory Lead Time—21 Weeks22 Weeks2 Weeks14 Weeks13 Weeks—
YTEOL—9138880
Clock Frequency-Max (fCLK)—1 MHz0.4 MHz0.4 MHz0.4 MHz0.4 MHz—
Data Retention Time-Min—200200200200200—
Endurance—1000000 Write/Erase Cycles1000000 Write/Erase Cycles1000000 Write/Erase Cycles1000000 Write/Erase Cycles1000000 Write/Erase Cycles—
I2C Control Byte—1010MDDR1010DDMR1010DDDR1010DDDR1010DDDR—
JESD-30 Code—R-PDSO-G8R-PDIP-T8R-PDSO-N8R-PDIP-T8R-PDSO-G8—
JESD-609 Code—e3e3e3e3e3e3
Memory Density—1048576 bit1048576 bit131072 bit131072 bit131072 bit—
Memory IC Type—EEPROMEEPROMEEPROMEEPROMEEPROM—
Memory Width—88888—
Number of Functions—11111—
Number of Ports—11111—
Number of Words—131072 words131072 words16384 words16384 words16384 words—
Number of Words Code—128000128000160001600016000—
Operating Mode—SYNCHRONOUSSYNCHRONOUSSYNCHRONOUSSYNCHRONOUSSYNCHRONOUS—
Organization—128KX8128KX816KX816KX816KX8—
Output Characteristics—OPEN-DRAINOPEN-DRAINOPEN-DRAINOPEN-DRAINOPEN-DRAIN—
Package Body Material—PLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY—
Package Equivalence Code—SOP8,.3DIP8,.3SOLCC8,.25DIP8,.3SOP8,.3—
Package Shape—RECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR PACKAGE
Package Style—SMALL OUTLINEIN-LINESMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILEIN-LINESMALL OUTLINESMT
Parallel/Serial—SERIALSERIALSERIALSERIALSERIAL—
Peak Reflow Temperature (Cel)—260—260—260—
Programming Voltage—5 V5 V4.5 V4.5 V4.5 V—
Qualification Status—Not QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified—
Serial Bus Type—I2CI2CI2CI2CI2C—
Standby Current-Max—0.000005 A0.000005 A0.000005 A0.000005 A0.000005 A—
Supply Current-Max—0.005 mA0.005 mA0.003 mA0.003 mA0.003 mA—
Supply Voltage-Max (Vsup)—5.5 V5.5 V5.5 V5.5 V5.5 V—
Supply Voltage-Min (Vsup)—2.5 V2.5 V2.5 V2.5 V2.5 V—
Supply Voltage-Nom (Vsup)—5 V5 V4.5 V4.5 V4.5 V—
Surface Mount—YESNOYESNOYESYES
Technology—CMOSCMOSCMOSCMOSCMOS—
Temperature Grade—INDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIAL—
Terminal Finish—Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn) - with Nickel (Ni) barrier
Terminal Form—GULL WINGTHROUGH-HOLENO LEADTHROUGH-HOLEGULL WING—
Terminal Pitch—1.27 mm2.54 mm1.27 mm2.54 mm1.27 mm—
Terminal Position—DUALDUALDUALDUALDUAL—
Time@Peak Reflow Temperature-Max (s)—40—40—40—
Write Cycle Time-Max (tWC)—5 ms5 ms5 ms5 ms5 ms—
Write Protection—HARDWAREHARDWAREHARDWAREHARDWAREHARDWARE—
Screening Level——TS 16949AEC-Q100AEC-Q100AEC-Q100—
Reach Compliance Code——————Compliant
Capacitance——————4.7 µF
Capacitor Type——————CERAMIC CAPACITOR
Dielectric Material——————CERAMIC
Height——————1.25 mm
Mounting Feature——————SURFACE MOUNT
Multilayer——————Yes
Negative Tolerance——————10%
Packing Method——————180mm Reel W8P4
Positive Tolerance——————10%
Rated (DC) Voltage (URdc)——————16 V
Size Code——————2012M/0805
Temperature Characteristics Code——————X7R
Temperature Coefficient——————15% ppm/°C
Terminal Shape——————WRAPAROUND

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

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Why Look for Alternatives?

Finding alternatives for T491D476K010AT 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 T491D476K010AT 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 T491D476K010AT?

Known equivalents for T491D476K010AT include 24LC1025-I/SM, 24LC1026-I/P, 24LC128-I/MF. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of T491D476K010AT?

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 T491D476K010AT 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.