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.

Specification Comparison

Parameter	LM337T/NOPBSource	LM337T	LM317AT/NOPB	LM317MQDCYR	24LC256-I/SM	24LC64T-I/OT
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Microchip	Microchip
Package Type	Transistor Outline, Vertical	—	Transistor Outline, Vertical	SOT223 (3-Pin)	Small Outline Packages	SOT23 (5-Pin)
Pin Count	3	—	3	4	8	5
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
Price	$0.7500	$0.7500	$0.2630	$0.2825	—	—
Electrical Parameters
Pbfree Code	Yes	—	Yes	Yes	Yes	Yes
YTEOL	15	—	15	15	8	9
Adjustability	ADJUSTABLE	—	ADJUSTABLE	ADJUSTABLE	—	—
Dropout Voltage1-Nom	2.4 V	—	2.25 V	2 V	—	—
Input Voltage-Max	4.2 V	—	40 V	40 V	—	—
Input Voltage-Min	40 V	—	3 V	3 V	—	—
Input-Output Voltage Differential-Max	40 V	—	40 V	40 V	—	—
Input-Output Voltage Differential-Min	3 V	—	3 V	3 V	—	—
JESD-30 Code	R-PSFM-T3	—	R-PSFM-T3	R-PDSO-G4	R-PDSO-G8	R-PDSO-G5
JESD-609 Code	e3	—	e3	e4	e3	e3
Line Regulation-Max (%/V)	0.07	—	0.02	0.07	—	—
Load Regulation-Max(%)	1.5%	—	1%	1.5%	—	—
Number of Functions	1	—	1	1	1	1
Number of Outputs	1	—	1	1	—	—
Operating Temperature TJ-Max	125 °C	—	125 °C	125 °C	—	—
Output Current1-Max	1.5 A	—	1.5 A	0.5 A	—	—
Output Voltage1-Max	-1.2 V	—	37 V	37 V	—	—
Output Voltage1-Min	-37 V	—	1.2 V	1.25 V	—	—
Package Body Material	PLASTIC/EPOXY	—	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
Package Equivalence Code	SIP3,.1TB	—	SIP3,.1TB	SOT-223	SOP8,.3	TSOP5/6,.11,37
Package Shape	RECTANGULAR	—	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package Style	FLANGE MOUNT	—	FLANGE MOUNT	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Packing Method	TUBE	—	TUBE	TR	—	—
Qualification Status	Not Qualified	—	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Regulator Type	ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR	—	ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR	ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR	—	—
Surface Mount	NO	—	NO	YES	YES	YES
Technology	BIPOLAR	—	BIPOLAR	BIPOLAR	CMOS	CMOS
Terminal Finish	Matte Tin (Sn)	—	Matte Tin (Sn)	Nickel/Palladium/Gold (Ni/Pd/Au)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal Form	THROUGH-HOLE	—	THROUGH-HOLE	GULL WING	GULL WING	GULL WING
Terminal Pitch	2.54 mm	—	2.54 mm	2.3 mm	1.27 mm	0.95 mm
Terminal Position	SINGLE	—	SINGLE	DUAL	DUAL	DUAL
Voltage Tolerance-Max	2.4%	—	5%	2%	—	—
## LM337T/NOPB Alternates Showing results	Image	—	—	—	—	—
Operating Temperature TJ-Min	—	—	-40 °C	-40 °C	—	—
Output Voltage1-Nom	—	—	37 V	37 V	—	—
## LM317AT/NOPB Alternates Showing results	—	—	Image	—	—	—
Peak Reflow Temperature (Cel)	—	—	—	260	260	260
Screening Level	—	—	—	AEC-Q100	AEC-Q100	—
Time@Peak Reflow Temperature-Max (s)	—	—	—	30	40	—
Manufacturer Package Code	—	—	—	—	SOIJ-8	SOT-23-5
Factory Lead Time	—	—	—	—	7 Weeks	6 Weeks
Clock Frequency-Max (fCLK)	—	—	—	—	0.4 MHz	0.4 MHz
Data Retention Time-Min	—	—	—	—	200	200
Endurance	—	—	—	—	1000000 Write/Erase Cycles	1000000 Write/Erase Cycles
I2C Control Byte	—	—	—	—	1010DDDR	1010XXXR
Memory Density	—	—	—	—	262144 bit	65536 bit
Memory IC Type	—	—	—	—	EEPROM	EEPROM
Memory Width	—	—	—	—	8	8
Number of Ports	—	—	—	—	1	1
Number of Words	—	—	—	—	32768 words	8192 words
Number of Words Code	—	—	—	—	32000	8000
Operating Mode	—	—	—	—	SYNCHRONOUS	SYNCHRONOUS
Organization	—	—	—	—	32KX8	8KX8
Output Characteristics	—	—	—	—	OPEN-DRAIN	OPEN-DRAIN
Parallel/Serial	—	—	—	—	SERIAL	SERIAL
Programming Voltage	—	—	—	—	4.5 V	4.5 V
Reverse Pinout	—	—	—	—	NO	—
Serial Bus Type	—	—	—	—	I2C	I2C
Standby Current-Max	—	—	—	—	0.0000015 A	0.000001 A
Supply Current-Max	—	—	—	—	0.003 mA	0.003 mA
Supply Voltage-Max (Vsup)	—	—	—	—	5.5 V	5.5 V
Supply Voltage-Min (Vsup)	—	—	—	—	2.5 V	2.5 V
Supply Voltage-Nom (Vsup)	—	—	—	—	4.5 V	4.5 V
Temperature Grade	—	—	—	—	INDUSTRIAL	INDUSTRIAL
Write Cycle Time-Max (tWC)	—	—	—	—	5 ms	5 ms
Write Protection	—	—	—	—	HARDWARE	HARDWARE

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Quick Links

LM337Tby Fairchild Semiconductor Corporation Adjustable Negative Standard

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

suggested

suggested

suggested

suggested

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 LM337T, LM317AT/NOPB, LM317MQDCYR. 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.