LM317LMAlternatives & Equivalent Parts
About LM317LM
LM317LM is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM317LMSource | LM317LM/NOPB | LM317T | P6KE220CA | LM317LMX/NOPB |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics | Texas Instruments |
| Package Type | Small Outline Packages | SOT-23 | Transistor Outline, Vertical | Diodes, Axial Diameter Horizontal Mounting | Small Outline Packages |
| Pin Count | 8 | 3 | 3 | 2 | 8 |
| Temperature Range | — | 0.0°C ~ 125.0°C | — | -55.0°C ~ 175.0°C | -40.0°C ~ 125.0°C |
| Price | $0.1500 | $0.0681 | $0.1890 | $0.0990 | $0.2000 |
| Electrical Parameters | |||||
| Pbfree Code | No | Yes | Yes | — | Yes |
| YTEOL | 0 | 15 | 0 | 1 | 15 |
| Adjustability | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE | — | ADJUSTABLE |
| Dropout Voltage1-Nom | 3 V | 1.8 V | 2.25 V | — | 1.8 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-PDSO-G8 | R-PDSO-G8 | R-PSFM-T3 | O-PALF-W2 | R-PDSO-G8 |
| JESD-609 Code | e0 | e3 | e0 | e3 | e3 |
| Line Regulation-Max (%/V) | 0.07 | 0.07 | 0.07 | — | 0.07 |
| Load Regulation-Max(%) | 1.5% | 1.5% | 1.5% | — | 1.5% |
| Number of Functions | 1 | 1 | 1 | — | 1 |
| Number of Outputs | 1 | 1 | 1 | — | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C | — | 125 °C |
| Operating Temperature TJ-Min | -40 °C | -40 °C | — | — | -40 °C |
| Output Current1-Max | 0.1 A | 0.1 A | 1.5 A | — | 0.1 A |
| Output Voltage1-Max | 37 V | 38 V | 37 V | — | 38 V |
| Output Voltage1-Min | 1.2 V | 1.2 V | 1.2 V | — | 1.2 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | SOP8,.25 | — | — | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | ROUND | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | FLANGE MOUNT | LONG FORM | SMALL OUTLINE |
| Packing Method | RAIL | TUBE | TUBE | — | TR |
| Peak Reflow Temperature (Cel) | 235 | 260 | NOT SPECIFIED | — | 260 |
| Qualification Status | 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 |
| Surface Mount | YES | YES | NO | NO | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | AVALANCHE | BIPOLAR |
| Terminal Finish | TIN LEAD | Matte Tin (Sn) | Tin/Lead (Sn/Pb) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | THROUGH-HOLE | WIRE | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 2.54 mm | — | 1.27 mm |
| Terminal Position | DUAL | DUAL | SINGLE | AXIAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 20 | 30 | NOT SPECIFIED | — | 30 |
| ## LM317LM Alternates Showing results | Image | — | — | — | — |
| Input Voltage-Max | — | 40 V | 40 V | — | 40 V |
| Input Voltage-Min | — | 4.2 V | 3 V | — | 4.2 V |
| Voltage Tolerance-Max | — | 3% | 5% | — | 3% |
| Date Of Intro | — | — | 1989-01-01 | — | — |
| ## LM317T Alternates Showing results | — | — | Image | — | — |
| Factory Lead Time | — | — | — | 25 Weeks | — |
| Additional Feature | — | — | — | UL RECOGNIZED | — |
| Breakdown Voltage-Max | — | — | — | 231 V | — |
| Breakdown Voltage-Min | — | — | — | 209 V | — |
| Breakdown Voltage-Nom | — | — | — | 220 V | — |
| Case Connection | — | — | — | ISOLATED | — |
| Clamping Voltage-Max | — | — | — | 388 V | — |
| Configuration | — | — | — | SINGLE, 1 CHANNEL | — |
| Diode Capacitance-Min | — | — | — | 165 pF | — |
| Diode Element Material | — | — | — | SILICON | — |
| Diode Type | — | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | — |
| JEDEC-95 Code | — | — | — | DO-204AC | — |
| Non-rep Peak Rev Power Dis-Max | — | — | — | 600 W | — |
| Number of Elements | — | — | — | 1 | — |
| Polarity | — | — | — | BIDIRECTIONAL | — |
| Power Dissipation-Max | — | — | — | 5 W | — |
| Reference Standard | — | — | — | IEC-61000-4-2, 4-4, 4-5; MIL-STD-750 | — |
| Rep Pk Reverse Voltage-Max | — | — | — | 188 V | — |
| Reverse Current-Max | — | — | — | 0.5 µA | — |
| Reverse Test Voltage | — | — | — | 188 V | — |
| ## P6KE220CA Alternates Showing results | — | — | — | Image | — |
| ## LM317LMX/NOPB Alternates Showing results | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Regulator, 1.2V Min, 37V Max, BIPolar, PDSO8
Adjustable Positive Standard Regulator, 1.2V Min, 38V Max, BIPolar, PDSO8
Why Look for Alternatives?
Finding alternatives for LM317LM 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 LM317LM 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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Request Alternatives for LM317LMFAQ
What is equivalent to LM317LM?
Known equivalents for LM317LM include LM317LM/NOPB, LM317T, P6KE220CA. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM317LM?
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 LM317LM 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.