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 Code318—318318——
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-236—TO-236AATO-236AB——
JESD-30 CodeR-PDSO-G3R-PDSO-G6R-PDSO-G3R-PDSO-G3——
JESD-609 Codee3e3e3e3—e3
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)260—260260——
Polarity/Channel TypeN-CHANNELN-CHANNEL—PNP——
Power Dissipation-Max (Abs)0.225 W0.5 W—0.31 W——
Qualification StatusNot QualifiedNot Qualified—Not 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)30—3030——
Transistor ApplicationAMPLIFIERSWITCHING—SWITCHING——
Transistor Element MaterialSILICONSILICON—SILICON——
Additional Feature—AVALANCHE RATED, LOGIC LEVEL COMPATIBLELOW LEAKAGE CURRENT——TOP ENTRY
Drain Current-Max (ID)—0.3 A————
Drain-source On Resistance-Max—3 Ω————
Power Dissipation Ambient-Max—0.5 W————
Factory Lead Time——12 Weeks10 Weeks—32 Weeks, 4 Days
Application——GENERAL PURPOSE———
Breakdown Voltage-Min——70 V———
Diode Element Material——SILICON———
Diode Type——RECTIFIER DIODE———
Forward Voltage-Max (VF)——0.9 V———
Non-rep Pk Forward Current-Max——2 A———
Number of Phases——1———
Output Current-Max——0.215 A———
Power Dissipation-Max——0.225 W———
Reference Standard——AEC-Q101——UL
Rep Pk Reverse Voltage-Max——70 V———
Reverse Current-Max——5000 µA———
Reverse Recovery Time-Max——3 µs———
Reverse Test Voltage——70 V———
Collector Current-Max (IC)———1 A——
Collector-Emitter Voltage-Max———30 V——
DC Current Gain-Min (hFE)———40——
Transition Frequency-Nom (fT)———100 MHz——
Terminal and Terminal Block Type————POWER TERMINAL—
Board Mounting Option—————SOLDERABLE RETENTION CLIPS
Body Breadth—————0.199 inch
Body Depth—————0.276 inch
Body Length—————0.5 inch
Body/Shell Style—————RECEPTACLE
Connector Type—————BOARD CONNECTOR
Contact Finish Mating—————NOT APPLICABLE
Contact Finish Termination—————Tin (Sn)
Contact Gender—————FEMALE
Contact Material—————NOT APPLICABLE
Contact Pattern—————RECTANGULAR
Contact Style—————BELLOWED TYPE
DIN Conformance—————NO
EMI Shielded—————NO
Empty Shell—————YES
Filter Feature—————NO
IEC Conformance—————NO
Insulation Resistance—————5000000000 Ω
Insulator Color—————BLACK
Insulator Material—————GLASS FILLED POLYESTER
MIL Conformance—————NO
Mains Connector Rating—————3A
Mating Contact Pitch—————0.1 inch
Mating Contact Row Spacing—————0.1 inch
Mixed Contacts—————NO
Mounting Style—————STRAIGHT
Mounting Type—————BOARD
Number Of Connectors—————ONE
Number Of PCB Rows—————2
Number of Ports—————1
Number of Rows Loaded—————2
Option—————GENERAL PURPOSE
PCB Contact Pattern—————RECTANGULAR
PCB Contact Row Spacing—————2.54 mm
Panel Mount—————NO
Plating Thickness—————30u inch
Rated Current (Signal)—————3 A
Terminal Length—————0.122 inch
Terminal Pitch—————2.54 mm
Termination Type—————SOLDER
Total Number of Contacts—————5
UL Flammability Code—————94V-0
Connector Profile Standard—————Configuration Features: Number of Rows 2
PCB Mount Orientation Vertical—————Stackable Yes
Contact Base Material Phosphor Bronze—————Mating Square Post Dimension .63 MM
Contact Shape & Form Square—————Mating Pin Diameter .63 MM

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 MMBFJ309LT1G — response within 24 hours.

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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.