MMBFJ309LT1GAlternatives & Equivalent Parts

About MMBFJ309LT1G

MMBFJ309LT1G is a JFET (N-Channel) component manufactured by ON Semiconductor. It comes in a SOT23 (3-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

ParameterMMBFJ309LT1GSource2N7002DWH6327XTSA1SBAV199LT1GMMBT589LT1G7790215307-5
ManufacturerON SemiconductorInfineonON SemiconductorON SemiconductorKeystone ElectronicsTE Connectivity
Package TypeSOT23 (3-Pin)SOT23 (6-Pin)SOT23 (3-Pin)SOT23 (3-Pin)OtherOther
Pin Count3633410
Temperature Range~ 150.0°C-55.0°C ~ 150.0°C-65.0°C ~ 150.0°C~ 150.0°C-55.0°C ~ 105.0°C
Price$0.0920$0.0337$0.0284$0.0812$0.1724$0.7388
StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYesYesYes
Manufacturer Package Code318318318
YTEOL6.8266.1789.1
ConfigurationSINGLESEPARATE, 2 ELEMENTS WITH BUILT-IN DIODESERIES CONNECTED, CENTER TAP, 2 ELEMENTSSINGLE
DS Breakdown Voltage-Min25 V60 V
FET TechnologyJUNCTIONMETAL-OXIDE SEMICONDUCTOR
Feedback Cap-Max (Crss)2.5 pF3 pF
Highest Frequency BandULTRA HIGH FREQUENCY BAND
JEDEC-95 CodeTO-236TO-236AATO-236AB
JESD-30 CodeR-PDSO-G3R-PDSO-G6R-PDSO-G3R-PDSO-G3
JESD-609 Codee3e3e3e3e3
Number of Elements1221
Operating ModeDEPLETION MODEENHANCEMENT MODE
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINE
Peak Reflow Temperature (Cel)260260260
Polarity/Channel TypeN-CHANNELN-CHANNELPNP
Power Dissipation-Max (Abs)0.225 W0.5 W0.31 W
Qualification StatusNot QualifiedNot QualifiedNot Qualified
Surface MountYESYESYESYES
Terminal FinishMatte Tin (Sn) - annealedTin (Sn)Matte Tin (Sn) - annealedMatte Tin (Sn) - annealed
Terminal FormGULL WINGGULL WINGGULL WINGGULL WING
Terminal PositionDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)303030
Transistor ApplicationAMPLIFIERSWITCHINGSWITCHING
Transistor Element MaterialSILICONSILICONSILICON
Additional FeatureAVALANCHE RATED, LOGIC LEVEL COMPATIBLELOW LEAKAGE CURRENTTOP ENTRY
Drain Current-Max (ID)0.3 A
Drain-source On Resistance-Max3 Ω
Power Dissipation Ambient-Max0.5 W
Factory Lead Time12 Weeks10 Weeks32 Weeks, 4 Days
ApplicationGENERAL PURPOSE
Breakdown Voltage-Min70 V
Diode Element MaterialSILICON
Diode TypeRECTIFIER DIODE
Forward Voltage-Max (VF)0.9 V
Non-rep Pk Forward Current-Max2 A
Number of Phases1
Output Current-Max0.215 A
Power Dissipation-Max0.225 W
Reference StandardAEC-Q101UL
Rep Pk Reverse Voltage-Max70 V
Reverse Current-Max5000 µA
Reverse Recovery Time-Max3 µs
Reverse Test Voltage70 V
Collector Current-Max (IC)1 A
Collector-Emitter Voltage-Max30 V
DC Current Gain-Min (hFE)40
Transition Frequency-Nom (fT)100 MHz
Terminal and Terminal Block TypePOWER TERMINAL
Board Mounting OptionSOLDERABLE RETENTION CLIPS
Body Breadth0.199 inch
Body Depth0.276 inch
Body Length0.5 inch
Body/Shell StyleRECEPTACLE
Connector TypeBOARD CONNECTOR
Contact Finish MatingNOT APPLICABLE
Contact Finish TerminationTin (Sn)
Contact GenderFEMALE
Contact MaterialNOT APPLICABLE
Contact PatternRECTANGULAR
Contact StyleBELLOWED TYPE
DIN ConformanceNO
EMI ShieldedNO
Empty ShellYES
Filter FeatureNO
IEC ConformanceNO
Insulation Resistance5000000000 Ω
Insulator ColorBLACK
Insulator MaterialGLASS FILLED POLYESTER
MIL ConformanceNO
Mains Connector Rating3A
Mating Contact Pitch0.1 inch
Mating Contact Row Spacing0.1 inch
Mixed ContactsNO
Mounting StyleSTRAIGHT
Mounting TypeBOARD
Number Of ConnectorsONE
Number Of PCB Rows2
Number of Ports1
Number of Rows Loaded2
OptionGENERAL PURPOSE
PCB Contact PatternRECTANGULAR
PCB Contact Row Spacing2.54 mm
Panel MountNO
Plating Thickness30u inch
Rated Current (Signal)3 A
Terminal Length0.122 inch
Terminal Pitch2.54 mm
Termination TypeSOLDER
Total Number of Contacts5
UL Flammability Code94V-0
Connector Profile StandardConfiguration Features: Number of Rows 2
PCB Mount Orientation VerticalStackable Yes
Contact Base Material Phosphor BronzeMating Square Post Dimension .63 MM
Contact Shape & Form SquareMating Pin Diameter .63 MM

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 MMBFJ309LT1G 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 MMBFJ309LT1G 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 MMBFJ309LT1G?

Known equivalents for MMBFJ309LT1G include 2N7002DWH6327XTSA1, SBAV199LT1G, MMBT589LT1G. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of MMBFJ309LT1G?

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 MMBFJ309LT1G 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.