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.
Specification Comparison
| Parameter | LM317EMPSource | LM317EMPX/NOPB | LM317EMPX |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOT223 (3-Pin) | SOT223 (3-Pin) | SOT223 (3-Pin) |
| Pin Count | 4 | 4 | 4 |
| Temperature Range | — | — | — |
| Price | $0.4467 | $0.5940 | $0.4131 |
| Electrical Parameters | |||
| Pbfree Code | Yes | Yes | No |
| Date Of Intro | 1997-11-01 | — | — |
| YTEOL | 0 | 15 | 0 |
| 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 |
| 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 |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | TR | TR |
| 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 |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR |
| Terminal Finish | TIN LEAD | Matte Tin (Sn) | TIN LEAD |
| 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 |
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, PDSO4
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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Request Alternatives for LM317EMPFAQ
What is equivalent to LM317EMP?
Known equivalents for LM317EMP include LM317EMPX/NOPB, LM317EMPX. 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.