LD1117S50CTRAlternatives & Equivalent Parts
About LD1117S50CTR
LD1117S50CTR 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 | LD1117S50CTRSource | REF5040AIDR | TLV76780QWDRBRQ1 | DB104S-G | L79L05ABUTR | LD1117S50TR | B3F-3150 | LMS1587IS-3.3/NOPB |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | Texas Instruments | Comchip Technology | STMicroelectronics | STMicroelectronics | Omron Electronics | Texas Instruments |
| Package Type | SOT223 (3-Pin) | Small Outline Packages | Small Outline No-lead | Dual-In-Line Packages | Other | SOT223 (3-Pin) | Other | TO-XXX (Inc. DPAK) |
| Pin Count | 4 | 8 | 9 | 4 | 3 | 4 | 4 | 4 |
| Temperature Range | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 150.0°C | — | — | — | -40.0°C ~ 125.0°C |
| Price | $0.0795 | $0.7397 | $0.6970 | — | $0.1431 | $0.1013 | $0.2409 | $1.8000 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | — | ACTIVE |
| Electrical Parameters | ||||||||
| Factory Lead Time | 12 Weeks | — | — | — | 10 Weeks | 12 Weeks | — | — |
| YTEOL | 6.2 | 15 | 15 | 0 | 5.98 | 6.2 | — | 15 |
| Adjustability | FIXED | — | FIXED | — | FIXED | FIXED | — | FIXED |
| Dropout Voltage1-Max | 1.2 V | — | 1.5 V | — | — | 1.2 V | — | 1.3 V |
| Dropout Voltage1-Nom | 1.1 V | — | 0.8 V | — | 1.7 V | 1.1 V | — | 1.15 V |
| Input Voltage Absolute-Max | 15 V | — | 18 V | — | 30 V | 15 V | — | 13 V |
| Input Voltage-Max | 15 V | 18 V | 16 V | — | 20 V | 15 V | — | 13 V |
| Input Voltage-Min | 6.5 V | 2.7 V | 9.5 V | — | 7 V | 6.5 V | — | 4.75 V |
| JESD-30 Code | R-PDSO-G4 | R-PDSO-G8 | S-PDSO-N8 | R-PDSO-G4 | R-PSSO-F3 | R-PDSO-G4 | — | R-PSSO-G3 |
| Line Regulation-Max | 0.05% | — | 0.0104% | — | 0.15% | 0.01% | — | 0.0066% |
| Load Regulation-Max | 0.05% | — | 0.03% | — | 0.06% | 0.015% | — | 0.0165% |
| Number of Functions | 1 | 1 | 1 | — | 1 | 1 | — | 1 |
| Number of Outputs | 1 | 1 | 1 | — | 1 | 1 | — | 1 |
| Operating Temperature TJ-Max | 125 °C | — | 150 °C | — | 125 °C | 125 °C | — | 125 °C |
| Operating Temperature TJ-Min | -40 °C | — | -40 °C | — | -40 °C | — | — | -40 °C |
| Output Current1-Max | 1.3 A | — | 1 A | — | 0.1 A | 1.3 A | — | 3 A |
| Output Voltage1-Max | 5.2 V | — | 8.08 V | — | 5.25 V | 5.1 V | — | 3.365 V |
| Output Voltage1-Min | 4.8 V | — | 7.92 V | — | 4.75 V | 4.9 V | — | 3.235 V |
| Output Voltage1-Nom | 5 V | — | 8 V | — | 5 V | 5 V | — | 3.3 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 | SOP8,.25 | SOLCC8,.12,25 | — | TO-243 | SOT-223 | — | SMSIP3H,.55TB |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | — | SMALL OUTLINE |
| Packing Method | TR, 7 INCH | — | TR | — | TR | TR, 7 INCH | — | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — | 260 | 260 | — | 245 |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified | Not Qualified | — | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | YES | YES | YES | YES | YES | — | YES |
| Technology | BIPOLAR | — | BICMOS | — | BIPOLAR | BIPOLAR | — | BIPOLAR |
| Terminal Form | GULL WING | GULL WING | NO LEAD | GULL WING | FLAT | GULL WING | — | GULL WING |
| Terminal Pitch | 2.3 mm | 1.27 mm | 0.65 mm | — | 1.5 mm | 2.3 mm | — | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | SINGLE | DUAL | — | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | 30 | 30 | — | 30 |
| Voltage Tolerance-Max | 2% | 0.1% | 1% | — | 5% | 2% | — | 2% |
| ## LD1117S50CTR Alternates Showing results | Image | — | — | — | — | — | — | — |
| Pbfree Code | — | Yes | Yes | — | — | — | — | Yes |
| Analog IC - Other Type | — | THREE TERMINAL VOLTAGE REFERENCE | — | — | — | — | — | — |
| JESD-609 Code | — | e4 | e4 | — | e3 | — | — | e3 |
| Output Voltage-Max | — | 4.1 V | — | — | — | — | — | — |
| Output Voltage-Min | — | 4.0919 V | — | — | — | — | — | — |
| Output Voltage-Nom | — | 4.096 V | — | — | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | 18 V | — | — | — | — | — | — |
| Supply Voltage-Min (Vsup) | — | 2.7 V | — | — | — | — | — | — |
| Temp Coef of Voltage-Max | — | 3 ppm/°C | — | — | — | — | — | — |
| Temperature Grade | — | AUTOMOTIVE | — | — | — | — | — | — |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) - annealed | — | — | Matte Tin (Sn) |
| Trim/Adjustable Output | — | YES | — | — | — | — | — | — |
| ## REF5040AIDR Alternates Showing results | — | Image | — | — | — | — | — | — |
| Date Of Intro | — | — | 2020-04-10 | — | — | — | — | — |
| Screening Level | — | — | AEC-Q100 | — | — | — | — | — |
| Breakdown Voltage-Min | — | — | — | 400 V | — | — | — | — |
| Configuration | — | — | — | BRIDGE, 4 ELEMENTS | — | — | — | — |
| Diode Element Material | — | — | — | SILICON | — | — | — | — |
| Diode Type | — | — | — | BRIDGE RECTIFIER DIODE | — | — | — | — |
| Forward Voltage-Max (VF) | — | — | — | 1.1 V | — | — | — | — |
| Non-rep Pk Forward Current-Max | — | — | — | 50 A | — | — | — | — |
| Number of Elements | — | — | — | 4 | — | — | — | — |
| Number of Phases | — | — | — | 1 | — | — | — | — |
| Output Current-Max | — | — | — | 1 A | — | — | — | — |
| Rep Pk Reverse Voltage-Max | — | — | — | 400 V | — | — | — | — |
| Reverse Current-Max | — | — | — | 10 µA | — | — | — | — |
| Reverse Test Voltage | — | — | — | 400 V | — | — | — | — |
| ## LD1117S50TR Alternates Showing results | — | — | — | — | — | Image | — | — |
| ## LMS1587IS-3.3/NOPB Alternates Showing results | — | — | — | — | — | — | — | Image |
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 7 alternatives for LD1117S50CTR — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for LD1117S50CTR 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 LD1117S50CTR 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 LD1117S50CTR?
Known equivalents for LD1117S50CTR include REF5040AIDR, TLV76780QWDRBRQ1, DB104S-G. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD1117S50CTR?
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 LD1117S50CTR 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.