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 CodeYesYesYes—Yes
Manufacturer Package Code318———318
YTEOL77877
Collector Current-Max (IC)0.5 A———0.5 A
Collector-Emitter Voltage-Max45 V———45 V
ConfigurationSINGLE——SINGLESINGLE
DC Current Gain-Min (hFE)250———160
JEDEC-95 CodeTO-236———TO-236
JESD-30 CodeR-PDSO-G3———R-PDSO-G3
JESD-609 Codee3e3e3e3e3
Number of Elements1———1
Package Body MaterialPLASTIC/EPOXY———PLASTIC/EPOXY
Package ShapeRECTANGULAR———RECTANGULAR
Package StyleSMALL OUTLINE———SMALL OUTLINE
Peak Reflow Temperature (Cel)260———260
Polarity/Channel TypeNPN———PNP
Power Dissipation-Max (Abs)0.3 W———0.3 W
Qualification StatusNot Qualified———Not Qualified
Surface MountYES——YESYES
Terminal FinishMatte Tin (Sn) - annealed——Tin (Sn)Matte Tin (Sn) - annealed
Terminal FormGULL WING———GULL WING
Terminal PositionDUAL———DUAL
Time@Peak Reflow Temperature-Max (s)30———30
Transistor Element MaterialSILICON———SILICON
Transition Frequency-Nom (fT)100 MHz———100 MHz
Additional Feature—STANDARD: DIN 41612STANDARD: DIN 41612, PANEL MOUNTABLEIC COMPATIBLE—
Body Breadth—0.583 inch0.413 inch——
Body Depth—0.984 inch0.457 inch——
Body Length—3.701 inch3.736 inch——
Connector Type—BOARD EURO CONNECTORBOARD EURO CONNECTOR——
Contact Finish Mating—NOT SPECIFIEDNOT SPECIFIED——
Contact Finish Termination—TINTin (Sn) - with Nickel (Ni) barrier——
Contact Gender—MALEFEMALE——
Contact Material—COPPER ALLOYNOT SPECIFIED——
Contact Pattern—STAGGEREDRECTANGULAR——
Contact Resistance—8 mΩ15 mΩ——
Contact Style—BLADE PIN-SKTSQ PIN-SKT——
DIN Conformance—YESYES——
Dielectric Withstanding Voltage—3100VAC V1400VAC V——
Filter Feature—NONO——
IEC Conformance—NONO——
Insertion Force-Max—5.7824 N.9174 N——
Insulation Resistance—1000000000000 Ω1000000000000 Ω——
Insulator Material—GLASS FILLED POLYETHYLENEGLASS FILLED POLYETHYLENE——
MIL Conformance—NONO——
Mating Contact Pitch—0.4 inch0.1 inch——
Mating Contact Row Spacing—0.256 inch0.1 inch——
Mixed Contacts—NONO——
Mounting Style—RIGHT ANGLESTRAIGHT——
Mounting Type—BOARDBOARD——
Name of Rows Loaded—Z,DA,B,C——
Number Of Connectors—ONEONE——
Number Of PCB Rows—23——
Number of Rows Loaded—23——
Option—GENERAL PURPOSEGENERAL PURPOSE——
PCB Contact Pattern—STAGGEREDRECTANGULAR——
PCB Contact Row Spacing—5.08 mm2.54 mm——
Polarization Key—POLARIZED HOUSINGPOLARIZED HOUSING——
Rated Current (Signal)—15 A2 A——
Reference Standard—VDE,CSAUL——
Terminal Length—0.118 inch0.177 inch——
Terminal Pitch—5.08 mm2.54 mm2.5 mm—
Termination Type—SOLDERSOLDER——
Total Number of Contacts—1596——
UL Flammability Code—94V-094V-0——
Withdrawl Force-Min—5.7824 N———
Body/Shell Style——RECEPTACLE——
Durability——500 Cycles——
Mounting Option 1——HOLE .099-.111——
Mounting Option 2——LOCKING——
Factory Lead Time———18 Weeks10 Weeks
Color———GREEN—
Forward Current-Max———0.03 A—
Lens Type———WATER CLEAR—
Luminous Intensity-Nom———10.0 mcd—
Mounting Feature———SURFACE MOUNT—
Number of Functions———1—
Optoelectronic Device Type———SINGLE COLOR LED—
Overall Height———1 mm—
Packing Method———TR, 7 INCH—
Peak Wavelength———565 nm—
Shape———RECTANGULAR—
Size———1.7 mm—
Viewing Angle———130 deg—
Transistor Application————SWITCHING
VCEsat-Max————0.7 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.

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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.