MCP23S18-E/SOAlternatives & Equivalent Parts

About MCP23S18-E/SO

MCP23S18-E/SO is a Integrated Circuit component manufactured by Microchip. 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

ParameterMCP23S18-E/SOSourceSMW5R47JTIRL640AOPA1622IDRCRAGQ-2004HMCP23S17T-E/SO
ManufacturerMicrochipTE ConnectivityON SemiconductorTexas InstrumentsPanasonicMicrochip
Package TypeSmall Outline PackagesResistor MouldedTransistor Outline, VerticalSmall Outline No-leadOtherSmall Outline Packages
Pin Count282311828
Temperature Range-40.0°C ~ 125.0°C~ 280.0°C~ 150.0°C-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C
Price$1.5400$0.4610$0.6213$1.3950$1.2400
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVETRANSFERREDOBSOLETEACTIVEACTIVEACTIVE
Electrical Parameters
Manufacturer Package CodeSOIC-28340ATSOIC-28
Factory Lead Time2 Weeks23 Weeks, 4 Days4 Weeks1 Week
YTEOL90158
Clock Frequency-Max10 MHz10 MHz
JESD-30 CodeR-PDSO-G28R-PSFM-T3S-PDSO-N10R-PDSO-G28
JESD-609 Codee3e3e3e4e3
Number of Bits1616
Number of I/O Lines1616
Number of Ports22
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP28,.4SOP28,.4
Package ShapeRECTANGULARRECTANGULAR PACKAGERECTANGULARSQUARERECTANGULAR
Package StyleSMALL OUTLINEFLANGE MOUNTSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILESMALL OUTLINE
Peak Reflow Temperature (Cel)260260250
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Supply Current-Max1 mA6 mA1 mA
Supply Voltage-Max5.5 V5.5 V
Supply Voltage-Min1.8 V4.5 V
Supply Voltage-Nom5 V5 V
Surface MountYESYESNOYESYES
TechnologyCMOSWIRE WOUNDBICMOSCMOS
Temperature GradeAUTOMOTIVEAUTOMOTIVEAUTOMOTIVE
Terminal FinishMatte Tin (Sn)TINMATTE TINNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)
Terminal FormGULL WINGTHROUGH-HOLENO LEADGULL WING
Terminal Pitch1.27 mm0.5 mm1.27 mm
Terminal PositionDUALSINGLEDUALDUAL
uPs/uCs/Peripheral ICs TypePARALLEL IO PORT, GENERAL PURPOSEPARALLEL IO PORT, GENERAL PURPOSE
## MCP23S18-E/SO Alternates Showing resultsImage
Reach Compliance CodeCompliant
Mounting FeatureSURFACE MOUNT
Packing MethodTRTR
Rated Power Dissipation (P)5 W
Rated Temperature25 °C
Resistance0.47 Ω
Resistor TypeFIXED RESISTOR
Size Code5329
Temperature Coefficient200 ppm/°C
Terminal ShapeWRAPAROUND
Tolerance5%
Working Voltage500 V
Pbfree CodeYesYesYes
Additional FeatureLOGIC LEVEL COMPATIBLE
Avalanche Energy Rating (Eas)64 mJ
ConfigurationSINGLE WITH BUILT-IN DIODE
DS Breakdown Voltage-Min200 V
Drain Current-Max (ID)18 A
Drain-source On Resistance-Max0.18 Ω
FET TechnologyMETAL-OXIDE SEMICONDUCTOR
JEDEC-95 CodeTO-220AB
Number of Elements1
Operating ModeENHANCEMENT MODE
Polarity/Channel TypeN-CHANNEL
Power Dissipation-Max (Abs)110 W
Pulsed Drain Current-Max (IDM)63 A
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Amplifier TypeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)2.2 µA
Bias Current-Max (IIB) @25C2 µA
Common-mode Reject Ratio-Min110 dB
Common-mode Reject Ratio-Nom127 dB
Frequency CompensationYES
Input Offset Current-Max (IIO)0.08 µA
Input Offset Voltage-Max500 µV
Low-BiasNO
Low-OffsetYES
MicropowerNO
Neg Supply Voltage Limit-Max-20 V
Neg Supply Voltage-Nom (Vsup)-5 V
Number of Functions2
PowerNO
Programmable PowerNO
Slew Rate-Nom10 V/us
Supply Voltage Limit-Max20 V
Supply Voltage-Nom (Vsup)5 V
Time@Peak Reflow Temperature-Max (s)3040
Unity Gain BW-Nom32000
Voltage Gain-Min1000000
WidebandNO
## OPA1622IDRCR Alternates Showing resultsImage
CPU FamilyMCP23X17
## MCP23S17T-E/SO Alternates Showing resultsImage

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 5 alternatives for MCP23S18-E/SO — response within 24 hours.

Quick Links

SMW5R47JT

suggested

IRL640A

suggested

AGQ-2004H

suggested

MCP23S17T-E/SOby Microchip Technology Inc

16-BIT I/O EXPANDERS WITH I2C & SPI INTERFACE

Why Look for Alternatives?

Finding alternatives for MCP23S18-E/SO 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 MCP23S18-E/SO 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?

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FAQ

What is equivalent to MCP23S18-E/SO?

Known equivalents for MCP23S18-E/SO include SMW5R47JT, IRL640A, OPA1622IDRCR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of MCP23S18-E/SO?

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 MCP23S18-E/SO 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.