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
| Parameter | LM337T/NOPBSource | LM337TG | LM337T | LM317AT/NOPB | LM317MQDCYR | 24LC256-I/SM | 24LC32AF-I/P | 24LC64-I/MS | 24LC64F-I/P | 24LC64T-I/OT |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | ON Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | — | Transistor Outline, Vertical | SOT223 (3-Pin) | Small Outline Packages | Dual-In-Line Packages | Small Outline Packages | Dual-In-Line Packages | SOT23 (5-Pin) |
| Pin Count | 3 | 3 | — | 3 | 4 | 8 | 8 | 8 | 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 | -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 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||
| Pbfree Code | Yes | Yes | — | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| YTEOL | 15 | 6.21 | — | 15 | 15 | 8 | 8 | 8 | 8 | 9 |
| Adjustability | ADJUSTABLE | ADJUSTABLE | — | ADJUSTABLE | ADJUSTABLE | — | — | — | — | — |
| Dropout Voltage1-Nom | 2.4 V | 3 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 | 40 V | — | — | — | — | — |
| Input-Output Voltage Differential-Min | 3 V | 3 V | — | 3 V | 3 V | — | — | — | — | — |
| JESD-30 Code | R-PSFM-T3 | R-PSFM-T3 | — | R-PSFM-T3 | R-PDSO-G4 | R-PDSO-G8 | R-PDIP-T8 | S-PDSO-G8 | R-PDIP-T8 | R-PDSO-G5 |
| JESD-609 Code | e3 | e3 | — | e3 | e4 | e3 | e3 | e3 | e3 | e3 |
| Line Regulation-Max (%/V) | 0.07 | 0.07 | — | 0.02 | 0.07 | — | — | — | — | — |
| Load Regulation-Max(%) | 1.5% | 1.5% | — | 1% | 1.5% | — | — | — | — | — |
| Number of Functions | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | — | 1 | 1 | — | — | — | — | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | — | 125 °C | 125 °C | — | — | — | — | — |
| Output Current1-Max | 1.5 A | 1.5 A | — | 1.5 A | 0.5 A | — | — | — | — | — |
| Output Voltage1-Max | -1.2 V | 37 V | — | 37 V | 37 V | — | — | — | — | — |
| Output Voltage1-Min | -37 V | 1.2 V | — | 1.2 V | 1.25 V | — | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3,.1TB | SIP3,.1TB | — | SIP3,.1TB | SOT-223 | SOP8,.3 | DIP8,.3 | TSSOP8,.19 | DIP8,.3 | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | — | FLANGE MOUNT | SMALL OUTLINE | SMALL OUTLINE | IN-LINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | IN-LINE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TUBE | RAIL | — | TUBE | TR | — | — | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | — | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | — | — | — | — | — |
| Surface Mount | NO | NO | — | NO | YES | YES | NO | YES | NO | YES |
| Technology | BIPOLAR | BIPOLAR | — | BIPOLAR | BIPOLAR | CMOS | CMOS | CMOS | CMOS | CMOS |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) - annealed | — | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | — | THROUGH-HOLE | GULL WING | GULL WING | THROUGH-HOLE | GULL WING | THROUGH-HOLE | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | — | 2.54 mm | 2.3 mm | 1.27 mm | 2.54 mm | 0.65 mm | 2.54 mm | 0.95 mm |
| Terminal Position | SINGLE | SINGLE | — | SINGLE | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Voltage Tolerance-Max | 2.4% | — | — | 5% | 2% | — | — | — | — | — |
| ## LM337T/NOPB Alternates Showing results | Image | — | — | — | — | — | — | — | — | — |
| Manufacturer Package Code | — | 221AB | — | — | — | SOIJ-8 | PDIP-8 | MSOP-8 | PDIP-8 | SOT-23-5 |
| 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 | — | 260 |
| Screening Level | — | — | — | — | AEC-Q100 | AEC-Q100 | TS 16949 | — | TS 16949 | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | 30 | 40 | — | 40 | — | — |
| Factory Lead Time | — | — | — | — | — | 7 Weeks | 8 Weeks | 24 Weeks | 8 Weeks | 6 Weeks |
| Clock Frequency-Max (fCLK) | — | — | — | — | — | 0.4 MHz | 0.4 MHz | 0.4 MHz | 0.4 MHz | 0.4 MHz |
| Data Retention Time-Min | — | — | — | — | — | 200 | 200 | 200 | 200 | 200 |
| Endurance | — | — | — | — | — | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles |
| I2C Control Byte | — | — | — | — | — | 1010DDDR | 1010DDDR | 1010DDDR | 1010DDDR | 1010XXXR |
| Memory Density | — | — | — | — | — | 262144 bit | 32768 bit | 65536 bit | 65536 bit | 65536 bit |
| Memory IC Type | — | — | — | — | — | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Width | — | — | — | — | — | 8 | 8 | 8 | 8 | 8 |
| Number of Ports | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 |
| Number of Words | — | — | — | — | — | 32768 words | 4096 words | 8192 words | 8192 words | 8192 words |
| Number of Words Code | — | — | — | — | — | 32000 | 4000 | 8000 | 8000 | 8000 |
| Operating Mode | — | — | — | — | — | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS |
| Organization | — | — | — | — | — | 32KX8 | 4KX8 | 8KX8 | 8KX8 | 8KX8 |
| Output Characteristics | — | — | — | — | — | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN |
| Parallel/Serial | — | — | — | — | — | SERIAL | SERIAL | SERIAL | SERIAL | SERIAL |
| Programming Voltage | — | — | — | — | — | 4.5 V | 5 V | 4.5 V | 5 V | 4.5 V |
| Reverse Pinout | — | — | — | — | — | NO | — | — | — | — |
| Serial Bus Type | — | — | — | — | — | I2C | I2C | I2C | I2C | I2C |
| Standby Current-Max | — | — | — | — | — | 0.0000015 A | 0.000001 A | 0.000001 A | 0.000001 A | 0.000001 A |
| Supply Current-Max | — | — | — | — | — | 0.003 mA | 0.003 mA | 0.003 mA | 0.003 mA | 0.003 mA |
| Supply Voltage-Max (Vsup) | — | — | — | — | — | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | — | — | — | — | — | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Supply Voltage-Nom (Vsup) | — | — | — | — | — | 4.5 V | 5 V | 4.5 V | 5 V | 4.5 V |
| Temperature Grade | — | — | — | — | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Write Cycle Time-Max (tWC) | — | — | — | — | — | 5 ms | 5 ms | 5 ms | 5 ms | 5 ms |
| Write Protection | — | — | — | — | — | HARDWARE | HARDWARE | HARDWARE | HARDWARE | HARDWARE |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3
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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.