LM317D2T-TRAlternatives & Equivalent Parts

About LM317D2T-TR

LM317D2T-TR is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterLM317D2T-TRSourceLM317D2TR4GLM317EMPXSSM-104-L-SVATSAML10D15A-YULM317LMX/NOPBM20-7821046
ManufacturerSTMicroelectronicsON SemiconductorTexas InstrumentsSAMTECMicrochipTexas InstrumentsHarwin
Package TypeOtherTO-XXX (Inc. DPAK)SOT223 (3-Pin)OtherSmall Outline PackagesSmall Outline PackagesHeader, Receptacle - Straight PTH Box
Pin Count334424810
Temperature Range———-55.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C-40.0°C ~ 105.0°C
Price$0.4900$0.2783$0.4131$0.3878$0.6040$0.2000$0.8100
StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEOBSOLETEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Factory Lead Time8 Weeks6 Weeks—1 Week7 Weeks——
YTEOL6.246.2409.118159.1
AdjustabilityADJUSTABLEADJUSTABLEADJUSTABLE——ADJUSTABLE—
Dropout Voltage1-Nom3 V3 V3 V——1.8 V—
Input-Output Voltage Differential-Max40 V40 V40 V——40 V—
Input-Output Voltage Differential-Min3 V3 V3 V——3 V—
JESD-30 CodeR-PSSO-G2R-PSSO-G2R-PDSO-G3—R-PDSO-G24R-PDSO-G8—
JESD-609 Codee3e3e0e3e3e3e3
Line Regulation-Max (%/V)0.070.070.07——0.07—
Load Regulation-Max(%)1.5%5.8%1.5%——1.5%—
Number of Functions111——1—
Number of Outputs111——1—
Operating Temperature TJ-Max125 °C125 °C125 °C——125 °C—
Output Current1-Max1.5 A1.5 A1 A——0.1 A—
Output Voltage1-Max37 V37 V37 V——38 V—
Output Voltage1-Min1.2 V1.2 V1.2 V——1.2 V—
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY—PLASTIC/EPOXYPLASTIC/EPOXY—
Package Equivalence CodeSMSIP3H,.55TBSMSIP3H,.55TBSOT-223—SSOP24,.3SOP8,.25—
Package ShapeRECTANGULARRECTANGULARRECTANGULAR—RECTANGULARRECTANGULAR—
Package StyleSMALL OUTLINE, HEAT SINK/SLUGSMALL OUTLINESMALL OUTLINE—SMALL OUTLINE, SHRINK PITCHSMALL OUTLINE—
Packing MethodTRTRTR——TR—
Peak Reflow Temperature (Cel)245260260——260—
Qualification StatusNot QualifiedNot QualifiedNot Qualified——Not Qualified—
Regulator TypeADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR——ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR—
Surface MountYESYESYES—YESYES—
TechnologyBIPOLARBIPOLARBIPOLAR—CMOSBIPOLAR—
Terminal FinishMatte Tin (Sn)Matte Tin (Sn) - annealedTIN LEAD—Matte Tin (Sn)Matte Tin (Sn)—
Terminal FormGULL WINGGULL WINGGULL WING—GULL WINGGULL WING—
Terminal Pitch2.54 mm2.54 mm2.3 mm2.54 mm0.65 mm1.27 mm2.54 mm
Terminal PositionSINGLESINGLEDUAL—DUALDUAL—
Time@Peak Reflow Temperature-Max (s)3030———30—
## LM317D2T-TR Alternates Showing resultsImage——————
Pbfree Code—YesNoYes—YesYes
Manufacturer Package Code—936-03——SSOP-24——
## LM317EMPX Alternates Showing results——Image————
Additional Feature———TIGER CLAW——TUBE PACKAGING
Body Breadth———0.1 inch——0.098 inch
Body Depth———0.29 inch——0.335 inch
Body Length———0.4 inch——1 inch
Body/Shell Style———SOCKET——SOCKET
Connector Type———BOARD CONNECTOR——BOARD CONNECTOR
Contact Finish Mating———GOLD (10)——NOT APPLICABLE
Contact Finish Termination———Tin (Sn) - with Nickel (Ni) barrier——Tin (Sn) - with Nickel (Ni) barrier
Contact Gender———FEMALE——FEMALE
Contact Material———PHOSPHOR BRONZE——PHOSPHOR BRONZE
Contact Pattern———RECTANGULAR——RECTANGULAR
Contact Resistance———10 m Ω——20 mΩ
Contact Style———SQ PIN-SKT——SQ PIN-SKT
DIN Conformance———NO——NO
Dielectric Withstanding Voltage———1000VAC V——1000VAC V
Filter Feature———NO——NO
IEC Conformance———NO——NO
Insertion Force-Max———1.39 N——4.8928 N
Insulation Resistance———5000000000 Ω——1000000000 Ω
Insulator Color———BLACK——BLACK
Insulator Material———LIQUID CRYSTAL POLYMER——POLYAMIDE
MIL Conformance———NO——NO
Mating Contact Pitch———0.1 inch——0.1 inch
Mating Information———MULTIPLE MATING PARTS AVAILABLE———
Mixed Contacts———NO——NO
Mounting Option 1———LOCKING——LOCKING
Mounting Style———STRAIGHT——STRAIGHT
Mounting Type———BOARD——BOARD
Number Of Connectors———ONE——ONE
Number Of PCB Rows———2——1
Number of Rows Loaded———1——1
Option———GENERAL PURPOSE——GENERAL PURPOSE
PCB Contact Pattern———STAGGERED——RECTANGULAR
PCB Contact Row Spacing———2.8448 mm———
Plating Thickness———10u inch———
Rated Current (Signal)———5.2 A——3 A
Reference Standard———UL——UL
Termination Type———SURFACE MOUNT——SOLDER
Total Number of Contacts———4——10
UL Flammability Code———94V-0——94V-0
Withdrawl Force-Min———.556 N———
Date Of Intro————2018-06-19——
Has ADC————YES——
Bit Size————32——
Boundary Scan————NO——
CPU Family————CORTEX-M23——
Clock Frequency-Max————32 MHz——
DAC Channels————YES——
DMA Channels————YES——
Format————FIXED POINT——
Integrated Cache————YES——
Low Power Mode————YES——
Number of DMA Channels————8——
Number of External Interrupts————8——
Number of I/O Lines————17——
Number of Serial I/Os————3——
Number of Timers————3——
On Chip Data RAM Width————8——
On Chip Program ROM Width————8——
PWM Channels————YES——
RAM (bytes)————8192——
RAM (words)————8192——
ROM (words)————32768——
ROM Programmability————FLASH——
Screening Level————TS 16949——
Speed————32 MHz——
Supply Current-Max————0.247 mA——
Supply Voltage-Max————3.63 V——
Supply Voltage-Min————1.62 V——
Supply Voltage-Nom————3.3 V——
Temperature Grade————INDUSTRIAL——
uPs/uCs/Peripheral ICs Type————MICROCONTROLLER, RISC——
## ATSAML10D15A-YU Alternates Showing results————Image——
Input Voltage-Max—————40 V—
Input Voltage-Min—————4.2 V—
Operating Temperature TJ-Min—————-40 °C—
Voltage Tolerance-Max—————3%—
## LM317LMX/NOPB Alternates Showing results—————Image—
Durability——————300 Cycles
Polarization Key——————POLARIZED HOUSING
Terminal Length——————0.118 inch

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 LM317D2T-TR 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.

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FAQ

What is equivalent to LM317D2T-TR?

Known equivalents for LM317D2T-TR include LM317D2TR4G, LM317EMPX, SSM-104-L-SV. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM317D2T-TR?

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 LM317D2T-TR 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.