LM337T/NOPBAlternatives & Equivalent Parts

About LM337T/NOPB

LM337T/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Transistor Outline, Vertical package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterLM337T/NOPBSourceLM337TGLM337TLM317AT/NOPBLM317MQDCYR24LC256-I/SM24LC32AF-I/P24LC64-I/MS24LC64F-I/P24LC64T-I/OT
ManufacturerTexas InstrumentsON SemiconductorTexas InstrumentsTexas InstrumentsTexas InstrumentsMicrochipMicrochipMicrochipMicrochipMicrochip
Package TypeTransistor Outline, VerticalTransistor Outline, VerticalTransistor Outline, VerticalSOT223 (3-Pin)Small Outline PackagesDual-In-Line PackagesSmall Outline PackagesDual-In-Line PackagesSOT23 (5-Pin)
Pin Count333488885
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C
Price$0.7500$0.2496$0.7500$0.2630$0.2825$0.9061$0.4311$0.3050$0.4622$0.4036
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYesYesYesYesYesYesYesYes
YTEOL156.21151588889
AdjustabilityADJUSTABLEADJUSTABLEADJUSTABLEADJUSTABLE
Dropout Voltage1-Nom2.4 V3 V2.25 V2 V
Input Voltage-Max4.2 V40 V40 V
Input Voltage-Min40 V3 V3 V
Input-Output Voltage Differential-Max40 V40 V40 V40 V
Input-Output Voltage Differential-Min3 V3 V3 V3 V
JESD-30 CodeR-PSFM-T3R-PSFM-T3R-PSFM-T3R-PDSO-G4R-PDSO-G8R-PDIP-T8S-PDSO-G8R-PDIP-T8R-PDSO-G5
JESD-609 Codee3e3e3e4e3e3e3e3e3
Line Regulation-Max (%/V)0.070.070.020.07
Load Regulation-Max(%)1.5%1.5%1%1.5%
Number of Functions111111111
Number of Outputs1111
Operating Temperature TJ-Max125 °C125 °C125 °C125 °C
Output Current1-Max1.5 A1.5 A1.5 A0.5 A
Output Voltage1-Max-1.2 V37 V37 V37 V
Output Voltage1-Min-37 V1.2 V1.2 V1.25 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSIP3,.1TBSIP3,.1TBSIP3,.1TBSOT-223SOP8,.3DIP8,.3TSSOP8,.19DIP8,.3TSOP5/6,.11,37
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARSQUARERECTANGULARRECTANGULAR
Package StyleFLANGE MOUNTFLANGE MOUNTFLANGE MOUNTSMALL OUTLINESMALL OUTLINEIN-LINESMALL OUTLINE, THIN PROFILE, SHRINK PITCHIN-LINESMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Packing MethodTUBERAILTUBETR
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Regulator TypeADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATORADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Surface MountNONONOYESYESNOYESNOYES
TechnologyBIPOLARBIPOLARBIPOLARBIPOLARCMOSCMOSCMOSCMOSCMOS
Terminal FinishMatte Tin (Sn)Matte Tin (Sn) - annealedMatte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)Matte Tin (Sn)
Terminal FormTHROUGH-HOLETHROUGH-HOLETHROUGH-HOLEGULL WINGGULL WINGTHROUGH-HOLEGULL WINGTHROUGH-HOLEGULL WING
Terminal Pitch2.54 mm2.54 mm2.54 mm2.3 mm1.27 mm2.54 mm0.65 mm2.54 mm0.95 mm
Terminal PositionSINGLESINGLESINGLEDUALDUALDUALDUALDUALDUAL
Voltage Tolerance-Max2.4%5%2%
## LM337T/NOPB Alternates Showing resultsImage
Manufacturer Package Code221ABSOIJ-8PDIP-8MSOP-8PDIP-8SOT-23-5
Operating Temperature TJ-Min-40 °C-40 °C
Output Voltage1-Nom37 V37 V
## LM317AT/NOPB Alternates Showing resultsImage
Peak Reflow Temperature (Cel)260260260260
Screening LevelAEC-Q100AEC-Q100TS 16949TS 16949
Time@Peak Reflow Temperature-Max (s)304040
Factory Lead Time7 Weeks8 Weeks24 Weeks8 Weeks6 Weeks
Clock Frequency-Max (fCLK)0.4 MHz0.4 MHz0.4 MHz0.4 MHz0.4 MHz
Data Retention Time-Min200200200200200
Endurance1000000 Write/Erase Cycles1000000 Write/Erase Cycles1000000 Write/Erase Cycles1000000 Write/Erase Cycles1000000 Write/Erase Cycles
I2C Control Byte1010DDDR1010DDDR1010DDDR1010DDDR1010XXXR
Memory Density262144 bit32768 bit65536 bit65536 bit65536 bit
Memory IC TypeEEPROMEEPROMEEPROMEEPROMEEPROM
Memory Width88888
Number of Ports11111
Number of Words32768 words4096 words8192 words8192 words8192 words
Number of Words Code320004000800080008000
Operating ModeSYNCHRONOUSSYNCHRONOUSSYNCHRONOUSSYNCHRONOUSSYNCHRONOUS
Organization32KX84KX88KX88KX88KX8
Output CharacteristicsOPEN-DRAINOPEN-DRAINOPEN-DRAINOPEN-DRAINOPEN-DRAIN
Parallel/SerialSERIALSERIALSERIALSERIALSERIAL
Programming Voltage4.5 V5 V4.5 V5 V4.5 V
Reverse PinoutNO
Serial Bus TypeI2CI2CI2CI2CI2C
Standby Current-Max0.0000015 A0.000001 A0.000001 A0.000001 A0.000001 A
Supply Current-Max0.003 mA0.003 mA0.003 mA0.003 mA0.003 mA
Supply Voltage-Max (Vsup)5.5 V5.5 V5.5 V5.5 V5.5 V
Supply Voltage-Min (Vsup)2.5 V2.5 V2.5 V2.5 V2.5 V
Supply Voltage-Nom (Vsup)4.5 V5 V4.5 V5 V4.5 V
Temperature GradeINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIALINDUSTRIAL
Write Cycle Time-Max (tWC)5 ms5 ms5 ms5 ms5 ms
Write ProtectionHARDWAREHARDWAREHARDWAREHARDWAREHARDWARE

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 9 alternatives for LM337T/NOPB — response within 24 hours.

Quick Links

LM337TGby onsemi Adjustable Negative Standard

Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3

LM337Tby Fairchild Semiconductor Corporation Adjustable Negative Standard

Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3

Why Look for Alternatives?

Finding alternatives for LM337T/NOPB 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 LM337T/NOPB 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 LM337T/NOPB?

Known equivalents for LM337T/NOPB include LM337TG, LM337T, LM317AT/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM337T/NOPB?

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 LM337T/NOPB 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.