ULN2803ADWRAlternatives & Equivalent Parts

About ULN2803ADWR

ULN2803ADWR is a Transistor 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.

Specification Comparison

ParameterULN2803ADWRSourceULN2803ADWULN2803ADWRG4CD74HC4514MSTTH310ULN2803CDWR
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsSTMicroelectronicsTexas Instruments
Package TypeSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesDiodes, Axial Diameter Horizontal MountingSmall Outline Packages
Pin Count18181824220
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-55.0°C ~ 125.0°C~ 175.0°C-40.0°C ~ 125.0°C
Price$2.5000$0.6400$0.4625
Electrical Parameters
YTEOL0000115
Built-in ProtectionsTRANSIENTTRANSIENTTRANSIENTTRANSIENT
Driver Number of Bits8888
Interface IC TypeBUFFER OR INVERTER BASED PERIPHERAL DRIVERBUFFER OR INVERTER BASED PERIPHERAL DRIVERBUFFER OR INVERTER BASED PERIPHERAL DRIVERBUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 CodeR-PDSO-G18R-PDSO-G18R-PDSO-G18R-PDSO-G24O-PALF-W2R-PDSO-G20
Number of Functions11118
Output CharacteristicsOPEN-COLLECTOROPEN-COLLECTOROPEN-COLLECTOROPEN-COLLECTOR
Output Current Flow DirectionSINKSINKSINKSINK
Output Current-Max0.5 A3 A0.5 A
Output Peak Current Limit-Nom0.5 A0.5 A
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP18,.4SOP18,.4SOP18,.4SOP24,.4SOP20,.4
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARROUNDRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINELONG FORMSMALL OUTLINE
Supply Current-Max1.35 mA1.35 mA1.35 mA1.35 mA
Supply Voltage-Nom3.3 V3.3 V3.3 V3.3 V
Surface MountYESYESYESYESNOYES
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGWIREGULL WING
Terminal Pitch1.27 mm1.27 mm1.27 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUALDUALAXIALDUAL
## ULN2803ADWR Alternates Showing resultsImage
Pbfree CodeYesYesYes
## ULN2803ADW Alternates Showing resultsImage
## ULN2803ADWRG4 Alternates Showing resultsImage
Additional FeatureADDRESS LATCHESHIGH RELIABILITY, FREE WHEELING DIODE, SNUBBER DIODE
FamilyHC/UH
Input ConditioningLATCHED
JESD-609 Codee4e3e4
Load Capacitance (CL)50 pF
Logic IC Type4-LINE TO 16-LINE DECODER
Max I(ol)0.0052 A
Number of Bits16
Output PolarityTRUEINVERTED
Packing MethodTUBE
Peak Reflow Temperature (Cel)260260
Power Supply Current-Max (ICC)0.16 mA
Prop. Delay@Nom-Sup23 ns
Propagation Delay (tpd)415 ns
Qualification StatusNot QualifiedNot Qualified
Supply Voltage-Max (Vsup)6 V
Supply Voltage-Min (Vsup)2 V
Supply Voltage-Nom (Vsup)4.5 V
TechnologyCMOSBIPOLAR
Temperature GradeMILITARY
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn) - annealedNickel/Palladium/Gold (Ni/Pd/Au)
Time@Peak Reflow Temperature-Max (s)3030
## CD74HC4514M Alternates Showing resultsImage
Factory Lead Time15 Weeks
ApplicationEFFICIENCY
Case ConnectionISOLATED
ConfigurationSINGLE
Diode Element MaterialSILICON
Diode TypeRECTIFIER DIODE
Forward Voltage-Max (VF)1.7 V
JEDEC-95 CodeDO-201AD
Non-rep Pk Forward Current-Max55 A
Number of Elements1
Number of Phases1
Rep Pk Reverse Voltage-Max1000 V
Reverse Current-Max10 µA
Reverse Recovery Time-Max0.075 µs
Reverse Test Voltage1000 V
Input CharacteristicsSTANDARD
Supply Voltage-Max15 V
Supply Voltage-Min6 V
Turn-off Time1 µs
Turn-on Time1 µs

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

Quick Links

ULN2803ADWby Texas Instruments

Buffer/Inverter Based Peripheral Driver, 8 Driver, PDSO18

ULN2803ADWRG4by Texas Instruments

Buffer/Inverter Based Peripheral Driver, 8 Driver, PDSO18

STTH310

suggested

ULN2803CDWRby Texas Instruments

Buffer/Inverter Based Peripheral Driver, 8 Driver, 0.5A, PDSO20

Why Look for Alternatives?

Finding alternatives for ULN2803ADWR 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 ULN2803ADWR 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 ULN2803ADWR?

Known equivalents for ULN2803ADWR include ULN2803ADW, ULN2803ADWRG4, CD74HC4514M. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of ULN2803ADWR?

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 ULN2803ADWR 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.