LD1117STRAlternatives & Equivalent Parts
About LD1117STR
LD1117STR is a Integrated Circuit component manufactured by STMicroelectronics. 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 | LD1117STRSource | GSP1.9113.1 | MC79M15BDTG | RK73B1ETTP471J | 53015-0410 | LD1117SC-R |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | SCHURTER | ON Semiconductor | KOA Speer | Molex | STMicroelectronics |
| Package Type | SOT223 (3-Pin) | Other | TO-XXX (Inc. DPAK) | Resistor Chip | Other | SOT223 (3-Pin) |
| Pin Count | 3 | 3 | 3 | 2 | 4 | 3 |
| Temperature Range | — | — | — | -55.0°C ~ 155.0°C | -20.0°C ~ 85.0°C | — |
| Price | $0.1226 | $1.6384 | — | $0.0017 | $0.1912 | $0.0760 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | ||||||
| Factory Lead Time | 12 Weeks | — | — | — | — | 12 Weeks |
| YTEOL | 6 | 8 | 0 | 13 | 0 | 6 |
| Adjustability | ADJUSTABLE | — | FIXED | — | — | ADJUSTABLE |
| Dropout Voltage1-Max | 1.2 V | — | — | — | — | 1.2 V |
| Dropout Voltage1-Nom | 1.1 V | — | 1.1 V | — | — | 1.1 V |
| Input-Output Voltage Differential-Max | 13.75 V | — | — | — | — | 13.75 V |
| Input-Output Voltage Differential-Min | 1.5 V | — | — | — | — | 1.5 V |
| JESD-30 Code | R-PDSO-G4 | — | R-PSSO-G2 | — | — | R-PDSO-G4 |
| JESD-609 Code | e3 | — | e3 | e3 | e3 | e3 |
| Line Regulation-Max (%/V) | 0.16 | — | — | — | — | 0.08 |
| Load Regulation-Max(%) | 0.4% | — | — | — | — | 1% |
| 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 | 1.3 A | — | 0.5 A | — | — | 1.3 A |
| Output Voltage1-Max | 15 V | — | 15.75 V | — | — | 15 V |
| Output Voltage1-Min | 1.25 V | — | 14.25 V | — | — | 1.25 V |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | — | — | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 | — | SMSIP3H,.38,90TB | — | — | SOT-223 |
| Package Shape | RECTANGULAR | — | RECTANGULAR | RECTANGULAR PACKAGE | — | RECTANGULAR |
| Package Style | SMALL OUTLINE | — | SMALL OUTLINE | SMT | — | SMALL OUTLINE |
| Packing Method | TR, 7 INCH | — | RAIL | TR, Punched Paper, 7 Inch | — | TR, 7 INCH |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | — | — | 260 |
| Qualification Status | Not Qualified | — | Not Qualified | — | — | Not Qualified |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR | — | FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | — | — | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | — | YES | YES | — | YES |
| Technology | BIPOLAR | — | BIPOLAR | METAL GLAZE/THICK FILM | — | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) - annealed | — | Matte Tin (Sn) - annealed | MATTE TIN OVER NICKEL | — | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | — | GULL WING | — | — | GULL WING |
| Terminal Pitch | 2.3 mm | — | 2.29 mm | — | 2 mm | 2.3 mm |
| Terminal Position | DUAL | — | SINGLE | — | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | — | 40 | — | — | NOT SPECIFIED |
| Pbfree Code | — | Yes | Yes | Yes | Yes | — |
| Additional Feature | — | STANDARDS: IEC/EN 60320-1/C14, UL 94V-0; UL 498; CSA C22.2; VDE | — | — | — | — |
| Body/Shell Style | — | SOCKET | — | — | RECEPTACLE | — |
| Connector Type | — | MAINS POWER CONNECTOR | — | — | BOARD CONNECTOR | — |
| Contact Finish Mating | — | NOT SPECIFIED | — | — | NOT SPECIFIED | — |
| Contact Gender | — | MALE | — | — | MALE | — |
| Contact Material | — | BRASS | — | — | NOT SPECIFIED | — |
| Coupling Type | — | SNAP | — | — | — | — |
| DIN Conformance | — | NO | — | — | NO | — |
| IEC Conformance | — | YES | — | — | NO | — |
| Insulator Material | — | POLYETHYLENE | — | — | GLASS FILLED POLYAMIDE | — |
| MIL Conformance | — | NO | — | — | NO | — |
| Mains Connector Rating | — | 10/15A, 250VAC | — | — | — | — |
| Mating Information | — | MULTIPLE MATING PARTS AVAILABLE | — | — | MULTIPLE MATING PARTS AVAILABLE | — |
| Mounting Type | — | PANEL | — | — | BOARD | — |
| Option | — | GENERAL PURPOSE | — | — | GENERAL PURPOSE | — |
| Termination Type | — | QUICK CONNECT | — | — | SOLDER | — |
| Total Number of Contacts | — | 3 | — | — | 4 | — |
| Manufacturer Package Code | — | — | 369C | — | — | — |
| Input Voltage Absolute-Max | — | — | 35 V | — | — | — |
| Input Voltage-Max | — | — | 30 V | — | — | — |
| Input Voltage-Min | — | — | 17.5 V | — | — | — |
| Line Regulation-Max | — | — | 0.08% | — | — | — |
| Load Regulation-Max | — | — | 0.24% | — | — | — |
| Operating Temperature TJ-Min | — | — | -40 °C | — | — | -40 °C |
| Output Voltage1-Nom | — | — | 15 V | — | — | — |
| Voltage Tolerance-Max | — | — | 4% | — | — | — |
| Reach Compliance Code | — | — | — | Compliant | — | — |
| Construction | — | — | — | Rectangular | — | — |
| Mounting Feature | — | — | — | SURFACE MOUNT | — | — |
| Package Height | — | — | — | 0.35 mm | — | — |
| Package Length | — | — | — | 1 mm | — | — |
| Package Width | — | — | — | 0.5 mm | — | — |
| Rated Power Dissipation (P) | — | — | — | 0.1 W | — | — |
| Rated Temperature | — | — | — | 70 °C | — | — |
| Reference Standard | — | — | — | AEC-Q200, IEC60115-8 | UL | — |
| Resistance | — | — | — | 470 Ω | — | — |
| Resistor Type | — | — | — | FIXED RESISTOR | — | — |
| Size Code | — | — | — | 0402 | — | — |
| Temperature Coefficient | — | — | — | 200 ppm/°C | — | — |
| Terminal Shape | — | — | — | WRAPAROUND | — | — |
| Tolerance | — | — | — | 5% | — | — |
| Working Voltage | — | — | — | 75 V | — | — |
| Body Breadth | — | — | — | — | 0.183 inch | — |
| Body Depth | — | — | — | — | 0.234 inch | — |
| Body Length | — | — | — | — | 0.394 inch | — |
| Contact Finish Termination | — | — | — | — | TIN | — |
| Contact Pattern | — | — | — | — | RECTANGULAR | — |
| Contact Style | — | — | — | — | SQ PIN-SKT | — |
| Filter Feature | — | — | — | — | NO | — |
| Insulator Color | — | — | — | — | WHITE | — |
| Mating Contact Pitch | — | — | — | — | 0.079 inch | — |
| Mixed Contacts | — | — | — | — | NO | — |
| Mounting Option 1 | — | — | — | — | LOCKING | — |
| Mounting Style | — | — | — | — | RIGHT ANGLE | — |
| Number Of Connectors | — | — | — | — | ONE | — |
| Number Of PCB Rows | — | — | — | — | 1 | — |
| Number of Rows Loaded | — | — | — | — | 1 | — |
| PCB Contact Pattern | — | — | — | — | RECTANGULAR | — |
| Polarization Key | — | — | — | — | POLARIZED HOUSING | — |
| Terminal Length | — | — | — | — | 0.129 inch | — |
| UL Flammability Code | — | — | — | — | 94V-0 | — |
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 5 alternatives for LD1117STR — response within 24 hours.
Quick Links
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Adjustable Positive LDO Regulator, 1.25V Min, 15V Max, 1.2V Dropout, BIPolar, PDSO4
Why Look for Alternatives?
Finding alternatives for LD1117STR 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 LD1117STR 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.
Can't Find What You Need?
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FAQ
What is equivalent to LD1117STR?
Known equivalents for LD1117STR include GSP1.9113.1, MC79M15BDTG, RK73B1ETTP471J. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD1117STR?
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 LD1117STR 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.