MAX3109ETJ+Alternatives & Equivalent Parts

About MAX3109ETJ+

MAX3109ETJ+ is a Integrated Circuit component manufactured by Maxim Integrated. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterMAX3109ETJ+SourceLM20343MHELAN8742AI-CZ097329668010805USB-901MLCSRP1038A-470M
ManufacturerMaxim IntegratedTexas InstrumentsMicrochipHARTINGCOILCRAFTBourns
Package TypeQuad Flat No-LeadSmall Outline PackagesQuad Flat No-LeadOtherOtherInductors Precision Moulded
Pin Count3220249842
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C——-40.0°C ~ 85.0°C-55.0°C ~ 150.0°C
Price$8.6300—$0.9403$4.0292$0.2700$0.6723
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEOBSOLETEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Manufacturer Package Code32-LFCSP-5X5X0.75—QFN-24———
Date Of Intro2011-04-14—————
YTEOL1001386.897
Boundary ScanNO—————
Bus CompatibilityI2C; USB—————
Clock Frequency-Max35 MHz—————
Communication ProtocolASYNC, BIT; SYNC, BYTE—————
Data Transfer Rate-Max3 MBps—————
JESD-30 CodeS-XQCC-N32R-PDSO-G20————
JESD-609 Codee3e0—e3e4e3
Low Power ModeYES—————
Number of Serial I/Os2—————
Package Body MaterialUNSPECIFIEDPLASTIC/EPOXY————
Package Equivalence CodeLCC32,.2SQ,20TSSOP20,.25————
Package ShapeSQUARERECTANGULAR————
Package StyleCHIP CARRIER, HEAT SINK/SLUGSMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH———SMT
Peak Reflow Temperature (Cel)260—————
Qualification StatusNot QualifiedNot Qualified————
Supply Voltage-Max3.6 V—————
Supply Voltage-Min1.71 V—————
Supply Voltage-Nom1.8 V—————
Surface MountYESYES———YES
TechnologyBICMOSBICMOS————
Temperature GradeINDUSTRIALAUTOMOTIVE————
Terminal FinishMatte Tin (Sn) - annealedTIN LEAD——GOLD OVER NICKELTin (Sn) - with Nickel (Ni) barrier
Terminal FormNO LEADGULL WING————
Terminal Pitch0.5 mm0.65 mm—2.54 mm——
Terminal PositionQUADDUAL————
Time@Peak Reflow Temperature-Max (s)30—————
uPs/uCs/Peripheral ICs TypeSERIAL IO/COMMUNICATION CONTROLLER, SERIAL—————
Pbfree Code—No—YesYes—
Additional Feature—OUTPUT VOLTAGE IS ADJUSTABLE FROM 0.8 TO 5—STANDARD: IEC 60603-2GOLD OVER NICKEL OVER SILVER-PALLADIUM-GLASS FRIT TERMINATION—
Analog IC - Other Type—SWITCHING REGULATOR————
Control Mode—CURRENT-MODE————
Control Technique—PULSE WIDTH MODULATION————
Input Voltage-Max—36 V————
Input Voltage-Min—4.5 V————
Input Voltage-Nom—12 V————
Number of Functions—1——21
Output Current-Max—6 A————
Switcher Configuration—BUCK————
Switching Frequency-Max—825 kHz————
## LM20343MHE Alternates Showing results—Image————
Factory Lead Time——7 Weeks——16 Weeks
Telecom IC Type——ETHERNET TRANSCEIVER———
## LAN8742AI-CZ Alternates Showing results——Image———
Body Breadth———0.413 inch——
Body Length———3.701 inch——
Body/Shell Style———RECEPTACLE——
Connector Type———BOARD EURO CONNECTOR——
Contact Finish Mating———NOT SPECIFIED——
Contact Finish Termination———TIN OVER NICKEL——
Contact Gender———FEMALE——
Contact Material———NOT SPECIFIED——
Contact Pattern———RECTANGULAR——
Contact Style———SQ PIN-SKT——
DIN Conformance———YES——
Filter Feature———NO——
IEC Conformance———NO——
MIL Conformance———NO——
Mating Contact Pitch———0.1 inch——
Mating Contact Row Spacing———0.1 inch——
Mixed Contacts———NO——
Mounting Option 1———HOLE .087-.098——
Mounting Option 2———SCREW——
Mounting Style———RIGHT ANGLE——
Mounting Type———BOARDSURFACE MOUNT—
Number Of Connectors———ONE——
Number Of PCB Rows———3——
Number of Rows Loaded———3——
Option———GENERAL PURPOSE——
PCB Contact Pattern———RECTANGULAR——
PCB Contact Row Spacing———2.54 mm——
Rated Current (Signal)———2 A——
Terminal Length———0.11 inch——
Termination Type———SOLDER——
Total Number of Contacts———96——
UL Flammability Code———94V-0——
Attenuation Frequency-Max————500 MHz—
Attenuation Frequency-Min————100 MHz—
Attenuation@Freq-Max————16.9 dB—
Attenuation@Freq-Min————4.2 dB—
DC Resistance-Max————0.17 Ω—
Filter Type————DATA LINE FILTER—
Height————1.65 mm—
Inductance————0.047 µH—
Output Impedance————90 OHM Ω—
Package Material————PLASTIC—
Packing Method————TAPE AND REELTR, EMBOSSED, 13 INCH
Rated Current————0.5 A—
Case/Size Code—————4339
Construction—————Rectangular
Core Material—————CARBONYL POWDER
DC Resistance—————0.167 Ω
Inductance-Nom (L)—————47 µH
Inductor Application—————POWER INDUCTOR
Inductor Type—————GENERAL PURPOSE INDUCTOR
Package Height—————3.8 mm
Package Length—————11 mm
Package Width—————10 mm
Quality Factor-Min (at L-nom)—————20
Rated Current-Max—————3 A
Reference Standard—————AEC-Q200
Self Resonance Frequency—————5 MHz
Shape/Size Description—————RECTANGULAR PACKAGE
Shielded—————YES
Terminal Placement—————DUAL ENDED
Terminal Shape—————WRAPAROUND
Test Frequency—————0.1 MHz
Tolerance—————20%

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

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Get one quote covering all 5 alternatives for MAX3109ETJ+ — response within 24 hours.

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Why Look for Alternatives?

Finding alternatives for MAX3109ETJ+ 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 MAX3109ETJ+ 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 MAX3109ETJ+?

Known equivalents for MAX3109ETJ+ include LM20343MHE, LAN8742AI-CZ, 09732966801. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of MAX3109ETJ+?

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 MAX3109ETJ+ 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.