BC817-40LT1GAlternatives & Equivalent Parts

About BC817-40LT1G

BC817-40LT1G is a Transistor BJT NPN 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

ParameterBC817-40LT1GSource0906115291109032962825LTST-S220GKTBC807-25LT1G
ManufacturerON SemiconductorHARTINGHARTINGLite-OnON Semiconductor
Package TypeSOT23 (3-Pin)OtherOtherLEDs ChipSOT23 (3-Pin)
Pin Count3159623
Temperature Range-55.0°C ~ 150.0°C-65.0°C ~ 125.0°C-55.0°C ~ 125.0°C-55.0°C ~ 85.0°C-55.0°C ~ 150.0°C
Price$0.0289$8.4000$2.1500$0.0133$0.0118
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYes
Manufacturer Package Code318318
YTEOL77877
Collector Current-Max (IC)0.5 A0.5 A
Collector-Emitter Voltage-Max45 V45 V
ConfigurationSINGLESINGLESINGLE
DC Current Gain-Min (hFE)250160
JEDEC-95 CodeTO-236TO-236
JESD-30 CodeR-PDSO-G3R-PDSO-G3
JESD-609 Codee3e3e3e3e3
Number of Elements11
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY
Package ShapeRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINE
Peak Reflow Temperature (Cel)260260
Polarity/Channel TypeNPNPNP
Power Dissipation-Max (Abs)0.3 W0.3 W
Qualification StatusNot QualifiedNot Qualified
Surface MountYESYESYES
Terminal FinishMatte Tin (Sn) - annealedTin (Sn)Matte Tin (Sn) - annealed
Terminal FormGULL WINGGULL WING
Terminal PositionDUALDUAL
Time@Peak Reflow Temperature-Max (s)3030
Transistor Element MaterialSILICONSILICON
Transition Frequency-Nom (fT)100 MHz100 MHz
Additional FeatureSTANDARD: DIN 41612STANDARD: DIN 41612, PANEL MOUNTABLEIC COMPATIBLE
Body Breadth0.583 inch0.413 inch
Body Depth0.984 inch0.457 inch
Body Length3.701 inch3.736 inch
Connector TypeBOARD EURO CONNECTORBOARD EURO CONNECTOR
Contact Finish MatingNOT SPECIFIEDNOT SPECIFIED
Contact Finish TerminationTINTin (Sn) - with Nickel (Ni) barrier
Contact GenderMALEFEMALE
Contact MaterialCOPPER ALLOYNOT SPECIFIED
Contact PatternSTAGGEREDRECTANGULAR
Contact Resistance8 mΩ15 mΩ
Contact StyleBLADE PIN-SKTSQ PIN-SKT
DIN ConformanceYESYES
Dielectric Withstanding Voltage3100VAC V1400VAC V
Filter FeatureNONO
IEC ConformanceNONO
Insertion Force-Max5.7824 N.9174 N
Insulation Resistance1000000000000 Ω1000000000000 Ω
Insulator MaterialGLASS FILLED POLYETHYLENEGLASS FILLED POLYETHYLENE
MIL ConformanceNONO
Mating Contact Pitch0.4 inch0.1 inch
Mating Contact Row Spacing0.256 inch0.1 inch
Mixed ContactsNONO
Mounting StyleRIGHT ANGLESTRAIGHT
Mounting TypeBOARDBOARD
Name of Rows LoadedZ,DA,B,C
Number Of ConnectorsONEONE
Number Of PCB Rows23
Number of Rows Loaded23
OptionGENERAL PURPOSEGENERAL PURPOSE
PCB Contact PatternSTAGGEREDRECTANGULAR
PCB Contact Row Spacing5.08 mm2.54 mm
Polarization KeyPOLARIZED HOUSINGPOLARIZED HOUSING
Rated Current (Signal)15 A2 A
Reference StandardVDE,CSAUL
Terminal Length0.118 inch0.177 inch
Terminal Pitch5.08 mm2.54 mm2.5 mm
Termination TypeSOLDERSOLDER
Total Number of Contacts1596
UL Flammability Code94V-094V-0
Withdrawl Force-Min5.7824 N
Body/Shell StyleRECEPTACLE
Durability500 Cycles
Mounting Option 1HOLE .099-.111
Mounting Option 2LOCKING
Factory Lead Time18 Weeks10 Weeks
ColorGREEN
Forward Current-Max0.03 A
Lens TypeWATER CLEAR
Luminous Intensity-Nom10.0 mcd
Mounting FeatureSURFACE MOUNT
Number of Functions1
Optoelectronic Device TypeSINGLE COLOR LED
Overall Height1 mm
Packing MethodTR, 7 INCH
Peak Wavelength565 nm
ShapeRECTANGULAR
Size1.7 mm
Viewing Angle130 deg
Transistor ApplicationSWITCHING
VCEsat-Max0.7 V

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 4 alternatives for BC817-40LT1G — response within 24 hours.

Quick Links

Why Look for Alternatives?

Finding alternatives for BC817-40LT1G 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 BC817-40LT1G 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 BC817-40LT1G?

Known equivalents for BC817-40LT1G include 09061152911, 09032962825, LTST-S220GKT. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of BC817-40LT1G?

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 BC817-40LT1G 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.