LD39050PU33RAlternatives & Equivalent Parts
About LD39050PU33R
LD39050PU33R is a Power Supply component manufactured by STMicroelectronics. It comes in a Small Outline No-lead 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 | LD39050PU33RSource | L7986TR | STS7PF30L | LD1117S50TR | 1N5804 | 6473711-1 |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Microchip | TE Connectivity |
| Package Type | Small Outline No-lead | Small Outline No-lead | Small Outline Packages | SOT223 (3-Pin) | Diodes, Axial Diameter Horizontal Mounting | Other |
| Pin Count | 6 | 11 | 8 | 4 | 2 | 28 |
| Temperature Range | — | -40.0°C ~ 125.0°C | ~ 150.0°C | — | -65.0°C ~ 175.0°C | — |
| Price | $0.3802 | $0.9950 | $0.6175 | $0.1013 | $4.3300 | $11.3130 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Factory Lead Time | 16 Weeks | 16 Weeks | — | 12 Weeks | 10 Weeks | 27 Weeks, 2 Days |
| YTEOL | 8 | 7.7 | 0 | 6.2 | 23 | 6.75 |
| Adjustability | FIXED | — | — | FIXED | — | — |
| Dropout Voltage1-Max | 0.4 V | — | — | 1.2 V | — | — |
| Dropout Voltage1-Nom | 0.2 V | — | — | 1.1 V | — | — |
| Input Voltage Absolute-Max | 7 V | — | — | 15 V | — | — |
| Input Voltage-Max | 5.5 V | 38 V | — | 15 V | — | — |
| Input Voltage-Min | 1.5 V | 4.5 V | — | 6.5 V | — | — |
| JESD-30 Code | S-PDSO-N6 | S-PDSO-N10 | R-PDSO-G8 | R-PDSO-G4 | O-LALF-W2 | — |
| JESD-609 Code | e3 | e4 | — | — | e0 | — |
| Line Regulation-Max | 0.00132% | — | — | 0.01% | — | — |
| Load Regulation-Max | 0.03234% | — | — | 0.015% | — | — |
| Number of Functions | 1 | 1 | — | 1 | — | — |
| Number of Outputs | 1 | — | — | 1 | — | — |
| Operating Temperature TJ-Max | 125 °C | — | — | 125 °C | — | — |
| Operating Temperature TJ-Min | -40 °C | — | — | — | — | — |
| Output Current1-Max | 0.5 A | — | — | 1.3 A | — | — |
| Output Voltage1-Max | 3.399 V | — | — | 5.1 V | — | — |
| Output Voltage1-Min | 3.201 V | — | — | 4.9 V | — | — |
| Output Voltage1-Nom | 3.3 V | — | — | 5 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | GLASS | — |
| Package Equivalence Code | SOLCC6,.11,37 | SOLCC10,.11,20 | — | SOT-223 | — | — |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR | ROUND | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE | LONG FORM | — |
| Packing Method | TR | — | — | TR, 7 INCH | — | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | NOT SPECIFIED | 260 | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | — |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Surface Mount | YES | YES | YES | YES | NO | — |
| Technology | CMOS | — | — | BIPOLAR | — | — |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | — | Tin/Lead (Sn/Pb) | — |
| Terminal Form | NO LEAD | NO LEAD | GULL WING | GULL WING | WIRE | — |
| Terminal Pitch | 0.95 mm | 0.5 mm | — | 2.3 mm | — | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | AXIAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | NOT SPECIFIED | 30 | — | — |
| Voltage Tolerance-Max | 3% | — | — | 2% | — | — |
| Additional Feature | — | OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 38V | — | — | HIGH RELIABILITY | — |
| Analog IC - Other Type | — | SWITCHING REGULATOR | — | — | — | — |
| Control Mode | — | VOLTAGE-MODE | — | — | — | — |
| Control Technique | — | PULSE WIDTH MODULATION | — | — | — | — |
| Input Voltage-Nom | — | 12 V | — | — | — | — |
| Output Current-Max | — | 4.7 A | — | — | 1 A | — |
| Switcher Configuration | — | BUCK | — | — | — | — |
| Switching Frequency-Max | — | 1000 kHz | — | — | — | — |
| Temperature Grade | — | AUTOMOTIVE | — | — | — | — |
| Configuration | — | — | SINGLE WITH BUILT-IN DIODE | — | SINGLE | — |
| DS Breakdown Voltage-Min | — | — | 30 V | — | — | — |
| Drain Current-Max (ID) | — | — | 7 A | — | — | — |
| Drain-source On Resistance-Max | — | — | 0.028 Ω | — | — | — |
| FET Technology | — | — | METAL-OXIDE SEMICONDUCTOR | — | — | — |
| Number of Elements | — | — | 1 | — | 1 | — |
| Operating Mode | — | — | ENHANCEMENT MODE | — | — | — |
| Polarity/Channel Type | — | — | P-CHANNEL | — | — | — |
| Power Dissipation-Max (Abs) | — | — | 2.5 W | — | — | — |
| Pulsed Drain Current-Max (IDM) | — | — | 28 A | — | — | — |
| Transistor Application | — | — | SWITCHING | — | — | — |
| Transistor Element Material | — | — | SILICON | — | — | — |
| ## LD1117S50TR Alternates Showing results | — | — | — | Image | — | — |
| Application | — | — | — | — | GENERAL PURPOSE | — |
| Case Connection | — | — | — | — | ISOLATED | — |
| Diode Element Material | — | — | — | — | SILICON | — |
| Diode Type | — | — | — | — | RECTIFIER DIODE | — |
| Number of Phases | — | — | — | — | 1 | — |
| Rep Pk Reverse Voltage-Max | — | — | — | — | 100 V | — |
| Reverse Recovery Time-Max | — | — | — | — | 0.025 µs | — |
| Pbfree Code | — | — | — | — | — | Yes |
| Connector Type | — | — | — | — | — | COMBINATION LINE CONNECTOR |
| Configuration Features: PCB Mount Orientation Horizontal | — | — | — | — | — | Number of Positions 26 |
| Number of Signal Positions 26 | — | — | — | — | — | Contact Features: Mating Pin Diameter .039 INCH |
| Contact Size 1mm | — | — | — | — | — | Contact Type Pin |
| Dimensions: Connector Length 57.4 MM | — | — | — | — | — | Connector Length 2.25 INCH |
| Connector Width .905 INCH | — | — | — | — | — | Profile Height from PCB 22.3 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 5 alternatives for LD39050PU33R — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for LD39050PU33R 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 LD39050PU33R 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 LD39050PU33R?
Known equivalents for LD39050PU33R include L7986TR, STS7PF30L, LD1117S50TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD39050PU33R?
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 LD39050PU33R 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.