L4949EPTR-EAlternatives & Equivalent Parts
About L4949EPTR-E
L4949EPTR-E is a Integrated Circuit component manufactured by STMicroelectronics. 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.
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Specification Comparison
| Parameter | L4949EPTR-ESource | L4949EDTR-E | L4949ED-E |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 20 | 8 | 8 |
| Temperature Range | — | — | — |
| Price | $0.4813 | $0.4667 | $0.4019 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | NOT RECOMMENDED | NOT RECOMMENDED | OBSOLETE |
| Electrical Parameters | |||
| Factory Lead Time | 20 Weeks | 20 Weeks | — |
| YTEOL | 3 | 3 | 0 |
| Adjustability | FIXED | FIXED | FIXED |
| Dropout Voltage1-Max | 0.5 V | 0.5 V | 0.5 V |
| Dropout Voltage1-Nom | 0.3 V | 0.3 V | 0.3 V |
| Input Voltage Absolute-Max | 28 V | 28 V | 28 V |
| Input Voltage-Max | 28 V | 28 V | 28 V |
| Input Voltage-Min | 6 V | 6 V | 6 V |
| JESD-30 Code | R-PDSO-G20 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e4 | e3 | e3 |
| Line Regulation-Max | 0.02% | 0.02% | 0.02% |
| Load Regulation-Max | 0.03% | 0.03% | 0.03% |
| Number of Functions | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 |
| Operating Temperature TJ-Max | 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 | 0.1 A |
| Output Voltage1-Max | 5.25 V | 5.25 V | 5.25 V |
| Output Voltage1-Min | 4.75 V | 4.75 V | 4.75 V |
| Output Voltage1-Nom | 5 V | 5 V | 5 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | SOP8,.25 | SOP8,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | TR | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Screening Level | AEC-Q100 | AEC-Q100 | — |
| Surface Mount | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 |
| Voltage Tolerance-Max | 2% | 2% | 2% |
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 2 alternatives for L4949EPTR-E — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for L4949EPTR-E 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 L4949EPTR-E 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 L4949EPTR-E?
Known equivalents for L4949EPTR-E include L4949EDTR-E, L4949ED-E. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L4949EPTR-E?
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 L4949EPTR-E 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.