LM317EMPAlternatives & Equivalent Parts
About LM317EMP
LM317EMP is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT223 (3-Pin) 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 | LM317EMPSource | LM317EMPX/NOPB | LM317EMPX | TAJA105K020RNJ | 3520220RJT | 3520390RJT | 875115452003 |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | AVX | TE Connectivity | TE Connectivity | Würth Elektronik |
| Package Type | SOT223 (3-Pin) | SOT223 (3-Pin) | SOT223 (3-Pin) | Capacitor Moulded Polarised | Resistor Chip | Resistor Chip | Capacitor Al Electrolytic |
| Pin Count | 4 | 4 | 4 | 2 | 2 | 2 | 2 |
| Temperature Range | — | — | — | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 105.0°C |
| Price | $0.4467 | $0.5940 | $0.4131 | $0.0683 | $0.0096 | $0.0533 | $0.7467 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | Yes | No | Yes | Yes | — | — |
| Date Of Intro | 1997-11-01 | — | — | — | — | — | — |
| YTEOL | 0 | 15 | 0 | 10 | 10 | 10 | 15 |
| Adjustability | ADJUSTABLE | ADJUSTABLE | ADJUSTABLE | — | — | — | — |
| Dropout Voltage1-Nom | 2.25 V | 2.25 V | 3 V | — | — | — | — |
| Input Voltage-Max | 40 V | 40 V | — | — | — | — | — |
| Input Voltage-Min | 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-PDSO-G3 | R-PDSO-G4 | R-PDSO-G3 | — | — | — | — |
| JESD-609 Code | e0 | e3 | e0 | e3 | — | — | — |
| Line Regulation-Max (%/V) | 0.07 | 0.05 | 0.07 | — | — | — | — |
| Load Regulation-Max(%) | 1.5% | 1% | 1.5% | — | — | — | — |
| Number of Functions | 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 | 1 A | — | — | — | — |
| Output Voltage1-Max | 37 V | 37 V | 37 V | — | — | — | — |
| Output Voltage1-Min | 1.2 V | 1.2 V | 1.2 V | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | — | — |
| Package Equivalence Code | SOT-223 | — | SOT-223 | — | — | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMT | SMT | SMT | SMT |
| Packing Method | TR | TR | TR | TR, PLASTIC, 7 INCH | TR | TR | TR, EMBOSSED PLASTIC, 15 INCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — | — | — | — |
| Qualification Status | 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 | — | — | — | — |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | — | METAL GLAZE/THICK FILM | METAL GLAZE/THICK FILM | — |
| Terminal Finish | TIN LEAD | Matte Tin (Sn) | TIN LEAD | Matte Tin (Sn) - with Nickel (Ni) barrier | — | — | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | — | — | — |
| Terminal Pitch | 2.3 mm | 2.3 mm | 2.3 mm | — | — | — | — |
| Terminal Position | DUAL | DUAL | DUAL | — | — | — | — |
| Voltage Tolerance-Max | 5% | 5% | — | — | — | — | — |
| ## LM317EMP Alternates Showing results | Image | — | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | — | — | — | — | — |
| ## LM317EMPX/NOPB Alternates Showing results | — | Image | — | — | — | — | — |
| ## LM317EMPX Alternates Showing results | — | — | Image | — | — | — | — |
| Reach Compliance Code | — | — | — | Compliant | Compliant | Compliant | Compliant |
| Factory Lead Time | — | — | — | 13 Weeks | 11 Weeks, 1 Day | 14 Weeks, 1 Day | — |
| Additional Feature | — | — | — | ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ | — | — | ESR is MEASURED AT 100KHZ, |
| Capacitance | — | — | — | 1 µF | — | — | 100 µF |
| Capacitor Type | — | — | — | TANTALUM CAPACITOR | — | — | ALUMINUM ELECTROLYTIC CAPACITOR |
| Dielectric Material | — | — | — | TANTALUM (DRY/SOLID) | — | — | ALUMINUM (SOLID POLYMER) |
| ESR | — | — | — | 9000 mΩ | — | — | 20 mΩ |
| Height | — | — | — | 1.6 mm | — | — | 8.7 mm |
| Leakage Current | — | — | — | 0.0005 mA | — | — | 0.4 mA |
| Mounting Feature | — | — | — | SURFACE MOUNT | SURFACE MOUNT | SURFACE MOUNT | SURFACE MOUNT |
| Negative Tolerance | — | — | — | 10% | — | — | 20% |
| Polarity | — | — | — | POLARIZED | — | — | POLARIZED |
| Positive Tolerance | — | — | — | 10% | — | — | 20% |
| Rated (DC) Voltage (URdc) | — | — | — | 20 V | — | — | 20 V |
| Ripple Current | — | — | — | 37 mA | — | — | 175 mA |
| Size Code | — | — | — | 1206 | 2512 | 2512 | 3333 |
| Tan Delta | — | — | — | 0.04 | — | — | 0.08 |
| Terminal Shape | — | — | — | J BEND | WRAPAROUND | WRAPAROUND | FLAT |
| Construction | — | — | — | — | Rectangular | Rectangular | — |
| Package Height | — | — | — | — | 0.6 mm | 0.6 mm | — |
| Package Length | — | — | — | — | 6.4 mm | 6.4 mm | — |
| Package Width | — | — | — | — | 3.2 mm | 3.2 mm | — |
| Physical Dimension | — | — | — | — | 6.4mm x 3.2mm x .6mm | 6.4mm x 3.2mm x .6mm | — |
| Rated Power Dissipation (P) | — | — | — | — | 1 W | 1 W | — |
| Rated Temperature | — | — | — | — | 70 °C | 70 °C | — |
| Resistance | — | — | — | — | 220 Ω | 390 Ω | — |
| Resistor Type | — | — | — | — | FIXED RESISTOR | FIXED RESISTOR | — |
| Temperature Coefficient | — | — | — | — | 200 ppm/°C | 200 ppm/°C | — |
| Tolerance | — | — | — | — | 5% | 5% | — |
| Working Voltage | — | — | — | — | 200 V | 200 V | — |
| Dimensions: Product Width 3.2 MM | — | — | — | — | Product Height .024 INCH | — | — |
| Product Height .6 MM | — | — | — | — | Product Length .252 INCH | — | — |
| Electrical Characteristics: Passive Component Tolerance 5 PCT | — | — | — | — | Power Rating 1 WATT | — | — |
| Resistance Value 220 OHM | — | — | — | — | Resistance Class Up to 1kΩ | — | — |
| Product Type Features: Package Size Code 2512 | — | — | — | — | Resistor Type Power Resistor | — | — |
| Dimensions: Product Width .126 INCH | — | — | — | — | — | Product Length .252 INCH | — |
| Product Width 3.2 MM | — | — | — | — | — | Product Length 6.4 MM | — |
| Electrical Characteristics: Power Rating 1 WATT | — | — | — | — | — | Resistance Class Up to 1kΩ | — |
| Operating Voltage 200 V | — | — | — | — | — | Passive Component Tolerance 5 PCT | — |
| Product Type Features: Resistor Type Power Resistor | — | — | — | — | — | Element Type Thick Film | — |
| Diameter | — | — | — | — | — | — | 8 mm |
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 6 alternatives for LM317EMP — response within 24 hours.
Quick Links
Regulator, 1.2V Min, 37V Max, BIPolar, PDSO4
Regulator, 1.2V Min, 37V Max, BIPolar, PDSO3
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Why Look for Alternatives?
Finding alternatives for LM317EMP 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 LM317EMP 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 LM317EMP?
Known equivalents for LM317EMP include LM317EMPX/NOPB, LM317EMPX, TAJA105K020RNJ. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM317EMP?
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 LM317EMP 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.