MCP1661T-E/OTAlternatives & Equivalent Parts

About MCP1661T-E/OT

MCP1661T-E/OT is a Integrated Circuit component manufactured by Microchip. It comes in a SOT23 (5-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterMCP1661T-E/OTSource744025220C3216X7R1V106K160ACDRV2665RGPTC2012X7R1A106K125ACMBR0540-TP
ManufacturerMicrochipWürth ElektronikTDKTexas InstrumentsTDKMCC(Micro Commercial Components)
Package TypeSOT23 (5-Pin)OtherCapacitor Chip Non-polarisedQuad Flat No-LeadCapacitor Chip Non-polarisedSmall Outline Diode
Pin Count5222022
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-55.0°C ~ 125.0°C-40.0°C ~ 70.0°C-55.0°C ~ 125.0°C-55.0°C ~ 125.0°C
Price$0.9000$0.7287$0.1479$2.6348$0.0552$0.0483
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Manufacturer Package CodeSOT-23-5
Factory Lead Time6 Weeks16 Weeks24 Weeks
YTEOL13157.491566.08
Analog IC - Other TypeSWITCHING REGULATORANALOG CIRCUIT
Control ModeCURRENT-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max5.5 V
Input Voltage-Min2.4 V
Input Voltage-Nom3.3 V
JESD-30 CodeR-PDSO-G5S-PQCC-N20R-PDSO-G2
JESD-609 Codee3e2e3e4e3e3
Number of Functions111
Output Voltage-Max32 V200 V
Output Voltage-Nom12 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP5,.11,37
Package ShapeRECTANGULARRECTANGULAR PACKAGESQUARERECTANGULAR PACKAGERECTANGULAR
Package StyleSMALL OUTLINE, LOW PROFILE, SHRINK PITCHSMTSMTCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILESMTSMALL OUTLINE
Surface MountYESYESYESYESYESYES
Switcher ConfigurationBOOST
Switching Frequency-Max575 kHz
Temperature GradeAUTOMOTIVEOTHER
Terminal FinishMatte Tin (Sn)Tin/Copper (Sn/Cu)Matte Tin (Sn) - with Nickel (Ni) barrierNickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn) - with Nickel (Ni) barrierMatte Tin (Sn)
Terminal FormGULL WINGNO LEADGULL WING
Terminal Pitch0.95 mm0.5 mm
Terminal PositionDUALQUADDUAL
Case/Size Code1111
ConstructionRectangular
Core MaterialMANGANESE-ZINC
DC Resistance0.575 Ω
Inductance-Nom (L)22 µH
Inductor ApplicationPOWER INDUCTOR
Inductor TypeGENERAL PURPOSE INDUCTOR
Package Height2.8 mm
Package Length2.8 mm
Package Width2.8 mm
Packing MethodTR, Embossed Plastic, 7 InchTR, 7 InchTR, 7 Inch
Rated Current-Max0.5 A
Self Resonance Frequency23 MHz
Shape/Size DescriptionRECTANGULAR PACKAGE
ShieldedYES
Special FeatureINDUCTANCE IS MEASURED AT 1 MILLI AMPERE
Terminal PlacementDUAL ENDED
Terminal ShapeONE SURFACEWRAPAROUNDWRAPAROUND
Test Frequency0.1 MHz
Tolerance20%
Pbfree CodeYesYesYesYes
Reach Compliance CodeCompliantCompliant
Capacitance10 µF10 µF
Capacitor TypeCERAMIC CAPACITORCERAMIC CAPACITOR
Dielectric MaterialCERAMICCERAMIC
Height1.6 mm1.25 mm
Mounting FeatureSURFACE MOUNTSURFACE MOUNT
MultilayerYesYes
Negative Tolerance10%10%
Positive Tolerance10%10%
Rated (DC) Voltage (URdc)35 V10 V
Size Code12060805
Temperature Characteristics CodeX7RX7R
Temperature Coefficient15% ppm/°C15% ppm/°C
Number of Channels1
Peak Reflow Temperature (Cel)260260
Supply Voltage-Max (Vsup)5.5 V
Supply Voltage-Min (Vsup)3 V
Supply Voltage-Nom (Vsup)3.6 V
Time@Peak Reflow Temperature-Max (s)3010
ApplicationGENERAL PURPOSE
ConfigurationSINGLE
Diode Element MaterialSILICON
Diode TypeRECTIFIER DIODE
Forward Voltage-Max (VF)0.55 V
Non-rep Pk Forward Current-Max5.5 A
Number of Elements1
Number of Phases1
Output Current-Max0.5 A
Power Dissipation-Max0.41 W
Qualification StatusNot Qualified
Rep Pk Reverse Voltage-Max40 V
Reverse Current-Max100 µA
Reverse Test Voltage40 V
TechnologySCHOTTKY
## MBR0540-TP Alternates Showing resultsImage

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 MCP1661T-E/OT 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 MCP1661T-E/OT 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 MCP1661T-E/OT?

Known equivalents for MCP1661T-E/OT include 744025220, C3216X7R1V106K160AC, DRV2665RGPT. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of MCP1661T-E/OT?

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 MCP1661T-E/OT 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.