LM317TAlternatives & Equivalent Parts
About LM317T
LM317T 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 | LM317TSource | LM317T/NOPB | LM317LM | LM317TG | CC56-12SURKWA | LM317KCT | LM317T-DG | LM317KTTRG3 | LM317KCSE3 | LM317AT/NOPB |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | ON Semiconductor | Kingbright | Texas Instruments | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | Small Outline Packages | Transistor Outline, Vertical | Dual-In-Line Sockets | Transistor Outline, Vertical | Transistor Outline, Vertical | Other | Transistor Outline, Vertical | Transistor Outline, Vertical |
| Pin Count | 3 | 3 | 8 | 3 | 12 | 3 | 3 | 4 | 3 | 3 |
| Temperature Range | — | — | — | — | -40.0°C ~ 85.0°C | — | — | ~ 125.0°C | ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.1890 | $0.1818 | $0.1500 | $0.1945 | $2.5375 | $0.1831 | $0.2457 | $0.4600 | $0.4851 | $0.2630 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | NOT RECOMMENDED | ACTIVE |
| Electrical Parameters | ||||||||||
| Pbfree Code | Yes | Yes | No | Yes | — | — | — | Yes | Yes | Yes |
| Date Of Intro | 1989-01-01 | — | — | — | — | — | — | — | — | — |
| YTEOL | 0 | 15 | 0 | 6.01 | 6 | 0 | 6.01 | 15 | 15 | 15 |
| Adjustability | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE | — | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE |
| Dropout Voltage1-Nom | 2.25 V | 2.25 V | 3 V | 3 V | — | 2 V | 1.8 V | 2 V | 2 V | 2.25 V |
| Input Voltage-Max | 40 V | 40 V | — | — | — | 40 V | — | 40 V | 40 V | 40 V |
| Input Voltage-Min | 3 V | 3 V | — | — | — | 3 V | — | 3 V | 3 V | 3 V |
| Input-Output Voltage Differential-Max | 40 V | 40 V | 40 V | 40 V | — | 40 V | 40 V | 40 V | 40 V | 40 V |
| Input-Output Voltage Differential-Min | 3 V | 3 V | 3 V | 3 V | — | 3 V | 3 V | 3 V | 3 V | 3 V |
| JESD-30 Code | R-PSFM-T3 | R-PSFM-T3 | R-PDSO-G8 | R-PSFM-T3 | — | R-PSFM-T3 | R-XSFM-T3 | R-PSSO-G3 | R-PSFM-T3 | R-PSFM-T3 |
| JESD-609 Code | e0 | e3 | e0 | e3 | — | e3 | e3 | e3 | e3 | e3 |
| Line Regulation-Max (%/V) | 0.07 | 0.05 | 0.07 | 0.07 | — | 0.07 | 0.07 | 0.07 | 0.07 | 0.02 |
| Load Regulation-Max(%) | 1.5% | 1% | 1.5% | 5.8% | — | 1.5% | 1.5% | 1.5% | 1.5% | 1% |
| Number of Functions | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C | 125 °C | — | 125 °C | 125 °C | 125 °C | 125 °C | 125 °C |
| Output Current1-Max | 1.5 A | 1.5 A | 0.1 A | 1.5 A | — | 1.5 A | 1.5 A | 1.5 A | 1.5 A | 1.5 A |
| Output Voltage1-Max | 37 V | 37 V | 37 V | 37 V | — | 37 V | 37 V | 37 V | 37 V | 37 V |
| Output Voltage1-Min | 1.2 V | 1.2 V | 1.2 V | 1.2 V | — | 1.25 V | 1.2 V | 1.25 V | 1.25 V | 1.2 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | SMALL OUTLINE | FLANGE MOUNT | — | FLANGE MOUNT | FLANGE MOUNT | SMALL OUTLINE | FLANGE MOUNT | FLANGE MOUNT |
| Packing Method | TUBE | TUBE | RAIL | RAIL | — | TUBE | TR | TR | TUBE | TUBE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | — | 235 | — | — | — | — | 245 | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | — | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | NO | NO | YES | NO | — | NO | NO | YES | NO | NO |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR | — | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Terminal Finish | Tin/Lead (Sn/Pb) | Matte Tin (Sn) | TIN LEAD | Matte Tin (Sn) - annealed | — | MATTE TIN | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | GULL WING | THROUGH-HOLE | — | THROUGH-HOLE | THROUGH-HOLE | GULL WING | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | 1.27 mm | 2.54 mm | — | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm |
| Terminal Position | SINGLE | SINGLE | DUAL | SINGLE | — | SINGLE | SINGLE | SINGLE | SINGLE | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | — | 20 | — | — | — | — | 30 | — | — |
| Voltage Tolerance-Max | 5% | 5% | — | — | — | 5% | — | 5% | 5% | 5% |
| ## LM317T Alternates Showing results | Image | — | — | — | — | — | — | — | — | — |
| ## LM317T/NOPB Alternates Showing results | — | Image | — | — | — | — | — | — | — | — |
| Operating Temperature TJ-Min | — | — | -40 °C | — | — | — | — | — | — | -40 °C |
| Package Equivalence Code | — | — | SOP8,.25 | SIP3,.1TB | — | SIP3,.1TB | SIP3,.1TB | SMSIP3H,.55TB | SIP3,.1TB | SIP3,.1TB |
| ## LM317LM Alternates Showing results | — | — | Image | — | — | — | — | — | — | — |
| Manufacturer Package Code | — | — | — | 221AB | — | — | — | — | — | — |
| Color | — | — | — | — | HYPER RED | — | — | — | — | — |
| Configuration | — | — | — | — | COMMON CATHODE, 4 DIGITS WITH DECIMAL POINT | — | — | — | — | — |
| Display Height | — | — | — | — | 14.2 mm | — | — | — | — | — |
| Forward Current-Max | — | — | — | — | 0.03 A | — | — | — | — | — |
| Optoelectronic Device Type | — | — | — | — | 7 SEG NUMERIC LED DISPLAY | — | — | — | — | — |
| Factory Lead Time | — | — | — | — | — | — | 8 Weeks | — | — | — |
| ## LM317T-DG Alternates Showing results | — | — | — | — | — | — | Image | — | — | — |
| Output Voltage1-Nom | — | — | — | — | — | — | — | 37 V | 37 V | 37 V |
| ## LM317AT/NOPB Alternates Showing results | — | — | — | — | — | — | — | — | — | Image |
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 9 alternatives for LM317T — response within 24 hours.
Quick Links
Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3
suggested
Adjustable Positive Standard Regulator, 1.25V Min, 37V Max, BIPolar, PSFM3
Adjustable Positive Standard Regulator, 1.25V Min, 37V Max, BIPolar, PSSO3
Adjustable Positive Standard Regulator, 1.25V Min, 37V Max, BIPolar, PSFM3
Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3
Why Look for Alternatives?
Finding alternatives for LM317T 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 LM317T 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 LM317T?
Known equivalents for LM317T include LM317T/NOPB, LM317LM, LM317TG. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM317T?
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 LM317T 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.