LM317AT/NOPBAlternatives & Equivalent Parts
About LM317AT/NOPB
LM317AT/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 | LM317AT/NOPBSource | VNL5050S5TR-E | LM337T/NOPB | M50-3612042 |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | STMicroelectronics | Texas Instruments | Harwin |
| Package Type | Transistor Outline, Vertical | Small Outline Packages | Transistor Outline, Vertical | Other |
| Pin Count | 3 | 8 | 3 | 40 |
| Temperature Range | -40.0°C ~ 125.0°C | — | — | -55.0°C ~ 105.0°C |
| Price | $0.2630 | $0.6173 | $0.7500 | $2.1800 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | — | Yes | Yes |
| YTEOL | 15 | 7 | 15 | — |
| Adjustability | ADJUSTABLE | — | ADJUSTABLE | — |
| Dropout Voltage1-Nom | 2.25 V | — | 2.4 V | — |
| Input Voltage-Max | 40 V | — | 4.2 V | — |
| Input Voltage-Min | 3 V | — | 40 V | — |
| Input-Output Voltage Differential-Max | 40 V | — | 40 V | — |
| Input-Output Voltage Differential-Min | 3 V | — | 3 V | — |
| JESD-30 Code | R-PSFM-T3 | R-PDSO-G8 | R-PSFM-T3 | — |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Line Regulation-Max (%/V) | 0.02 | — | 0.07 | — |
| Load Regulation-Max(%) | 1% | — | 1.5% | — |
| Number of Functions | 1 | 1 | 1 | — |
| Number of Outputs | 1 | — | 1 | — |
| Operating Temperature TJ-Max | 125 °C | — | 125 °C | — |
| Operating Temperature TJ-Min | -40 °C | — | — | — |
| Output Current1-Max | 1.5 A | — | 1.5 A | — |
| Output Voltage1-Max | 37 V | — | -1.2 V | — |
| Output Voltage1-Min | 1.2 V | — | -37 V | — |
| Output Voltage1-Nom | 37 V | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | SIP3,.1TB | — | SIP3,.1TB | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | FLANGE MOUNT | SMALL OUTLINE | FLANGE MOUNT | — |
| Packing Method | TUBE | — | TUBE | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | — | ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | — |
| Surface Mount | NO | YES | NO | — |
| Technology | BIPOLAR | — | BIPOLAR | — |
| Terminal Finish | Matte Tin (Sn) | Tin (Sn) | Matte Tin (Sn) | — |
| Terminal Form | THROUGH-HOLE | GULL WING | THROUGH-HOLE | — |
| Terminal Pitch | 2.54 mm | 1.27 mm | 2.54 mm | 1.27 mm |
| Terminal Position | SINGLE | DUAL | SINGLE | — |
| Voltage Tolerance-Max | 5% | — | 2.4% | — |
| ## LM317AT/NOPB Alternates Showing results | Image | — | — | — |
| Factory Lead Time | — | 13 Weeks | — | — |
| Additional Feature | — | DETECTOR THRESHOLD VOLTAGE IS 1.2V | — | — |
| Adjustable Threshold | — | NO | — | — |
| Analog IC - Other Type | — | POWER SUPPLY SUPPORT CIRCUIT | — | — |
| Number of Channels | — | 1 | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | — | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | — | — |
| Supply Voltage-Min (Vsup) | — | 3.5 V | — | — |
| Supply Voltage-Nom (Vsup) | — | 5 V | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | — | — |
| ## LM337T/NOPB Alternates Showing results | — | — | Image | — |
| Board Mounting Option | — | — | — | PEG |
| Body Breadth | — | — | — | 0.134 inch |
| Body Depth | — | — | — | 0.066 inch |
| Body Length | — | — | — | 1 inch |
| Connector Type | — | — | — | BOARD CONNECTOR |
| Contact Finish Mating | — | — | — | NOT APPLICABLE |
| Contact Finish Termination | — | — | — | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | — | — | — | MALE |
| Contact Material | — | — | — | BRASS |
| Contact Pattern | — | — | — | RECTANGULAR |
| Contact Resistance | — | — | — | 20 m Ω |
| Contact Style | — | — | — | SQ PIN-SKT |
| Dielectric Withstanding Voltage | — | — | — | 500VAC V |
| Durability | — | — | — | 300 Cycles |
| Filter Feature | — | — | — | NO |
| Insulation Resistance | — | — | — | 1000000000 Ω |
| Insulator Color | — | — | — | BLACK |
| Insulator Material | — | — | — | POLYETHYLENE |
| Mating Contact Pitch | — | — | — | 0.05 inch |
| Mating Contact Row Spacing | — | — | — | 0.05 inch |
| Mixed Contacts | — | — | — | NO |
| Mounting Option 1 | — | — | — | LOCKING |
| Mounting Style | — | — | — | STRAIGHT |
| Mounting Type | — | — | — | BOARD |
| Number Of Connectors | — | — | — | ONE |
| Number Of PCB Rows | — | — | — | 2 |
| Number of Rows Loaded | — | — | — | 2 |
| Option | — | — | — | GENERAL PURPOSE |
| PCB Contact Pattern | — | — | — | RECTANGULAR |
| PCB Contact Row Spacing | — | — | — | 3.88 mm |
| Plating Thickness | — | — | — | 3u inch |
| Rated Current (Signal) | — | — | — | 1 A |
| Reference Standard | — | — | — | UL |
| Termination Type | — | — | — | SURFACE MOUNT |
| Total Number of Contacts | — | — | — | 40 |
| UL Flammability Code | — | — | — | 94V-0 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for LM317AT/NOPB — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LM317AT/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 LM317AT/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 LM317AT/NOPB?
Known equivalents for LM317AT/NOPB include VNL5050S5TR-E, LM337T/NOPB, M50-3612042. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM317AT/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 LM317AT/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.