UA78M33QDCYRG4Q1Alternatives & Equivalent Parts

About UA78M33QDCYRG4Q1

UA78M33QDCYRG4Q1 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT223 (3-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterUA78M33QDCYRG4Q1Source24AA02UIDT-I/OTADM3490EARZUA78M33CDCYR
ManufacturerTexas InstrumentsMicrochipAnalog DevicesTexas Instruments
Package TypeSOT223 (3-Pin)SOT23 (5-Pin)Small Outline PackagesSOT223 (3-Pin)
Pin Count4584
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C~ 125.0°C
Price$0.2151$1.7804$0.2981
Electrical Parameters
Pbfree CodeYesNoYes
YTEOL15131015
AdjustabilityFIXEDFIXED
Dropout Voltage1-Nom2 V2 V
Input Voltage Absolute-Max35 V35 V
Input Voltage-Max30 V30 V
Input Voltage-Min5.3 V5.3 V
JESD-30 CodeR-PDSO-G4R-PDSO-G5R-PDSO-G8R-PDSO-G4
JESD-609 Codee4e3e3e3
Line Regulation-Max0.1%0.1%
Load Regulation-Max0.1%0.1%
Number of Functions1111
Number of Outputs11
Operating Temperature TJ-Max125 °C125 °C
Output Current1-Max0.5 A0.5 A
Output Voltage1-Max3.5 V3.5 V
Output Voltage1-Min3.1 V3.1 V
Output Voltage1-Nom3.3 V3.3 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOT-223TSOP5/6,.11,37SOP8,.25SOT-223
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINE, LOW PROFILE, SHRINK PITCHSMALL OUTLINESMALL OUTLINE
Packing MethodTRTR
Peak Reflow Temperature (Cel)260260260260
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Regulator TypeFIXED POSITIVE SINGLE OUTPUT STANDARD REGULATORFIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Screening LevelAEC-Q100TS 16949
Surface MountYESYESYESYES
TechnologyBIPOLARCMOSCMOSBIPOLAR
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch2.3 mm0.95 mm1.27 mm2.3 mm
Terminal PositionDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)304030
Voltage Tolerance-Max6%6%
Manufacturer Package CodeSOT-23-5R-8
Factory Lead Time6 Weeks
Additional Feature1.7V TO 2.5V @ 0.1MHzDATA RATES UPTO 12 MBPS
Clock Frequency-Max (fCLK)0.4 MHz
Data Retention Time-Min200
Endurance1000000 Write/Erase Cycles
I2C Control Byte1010DDDR
Memory Density2048 bit
Memory IC TypeEEPROM
Memory Width8
Number of Ports1
Number of Words256 words
Number of Words Code256
Operating ModeSYNCHRONOUS
Organization256X8
Output CharacteristicsOPEN-DRAIN3-STATE
Parallel/SerialSERIAL
Programming Voltage5 V
Serial Bus TypeI2C
Standby Current-Max0.000001 A
Supply Current-Max0.003 mA2.2 mA
Supply Voltage-Max (Vsup)5.5 V
Supply Voltage-Min (Vsup)2.5 V
Supply Voltage-Nom (Vsup)5 V
Temperature GradeINDUSTRIALINDUSTRIAL
Write Cycle Time-Max (tWC)5 ms
Differential OutputYES
Driver Number of Bits1
High Level Input Current-Max0.000002 A
Input CharacteristicsDIFFERENTIAL SCHMITT TRIGGER
Interface IC TypeLINE TRANSCEIVER
Interface StandardEIA-422; EIA-485
Out Swing-Min1.5 V
Output Low Current-Max0.0025 A
Output PolarityCOMPLEMENTARY
Receive Delay-Max120 ns
Receiver Number of Bits1
Supply Voltage-Max3.6 V
Supply Voltage-Min3 V
Supply Voltage-Nom3.3 V
Supply Voltage1-Max3.6 V
Supply Voltage1-Min3 V
Supply Voltage1-Nom3.3 V
Transmit Delay-Max35 ns
## UA78M33CDCYR Alternates Showing resultsImage

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

Quick Links

UA78M33CDCYRby Texas Instruments

Fixed Positive Standard Regulator, 3.3V, BIPolar, PDSO4

Why Look for Alternatives?

Finding alternatives for UA78M33QDCYRG4Q1 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 UA78M33QDCYRG4Q1 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.

Can't Find What You Need?

Our sourcing team can help find compatible alternatives for UA78M33QDCYRG4Q1. Get expert recommendations within 24 hours.

Request Alternatives for UA78M33QDCYRG4Q1

FAQ

What is equivalent to UA78M33QDCYRG4Q1?

Known equivalents for UA78M33QDCYRG4Q1 include 24AA02UIDT-I/OT, ADM3490EARZ, UA78M33CDCYR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of UA78M33QDCYRG4Q1?

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 UA78M33QDCYRG4Q1 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.