REG1117-3.3/2K5Alternatives & Equivalent Parts
About REG1117-3.3/2K5
REG1117-3.3/2K5 is a power-management component manufactured by Texas Instruments. It comes in a SOT-223 package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Get one quote covering all 8 alternatives for REG1117-3.3/2K5 — response within 24 hours.
Specification Comparison
| Parameter | REG1117-3.3/2K5Source | LD1117S33TR | NCP1117ST33T3G | REG1117-3.3/2K5G4 | BM71BLE01FC2-0B04AA | MIC2039AYM6-TR | MYRGM330150W31RA | BQ25505RGRR | CSD75208W1015 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | STMicroelectronics | ON Semiconductor | Texas Instruments | Microchip | Microchip | Murata Electronics | Texas Instruments | Texas Instruments |
| Package Type | SOT-223 | SOT223 (3-Pin) | SOT223 (3-Pin) | SOT223 (3-Pin) | Other | SOT23 (6-Pin) | Other | Quad Flat No-Lead | BGA |
| Pin Count | 4 | 4 | 4 | 4 | 17 | 6 | 16 | 21 | 6 |
| Temperature Range | 0.0°C ~ 125.0°C | — | ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 150.0°C |
| Price | $0.5670 | $0.1052 | $0.1254 | $0.6210 | $6.9400 | $0.5800 | — | $1.6960 | $0.0708 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||
| Pbfree Code | Yes | — | Yes | Yes | — | — | — | Yes | Yes |
| YTEOL | 15 | 6.2 | 6.2 | 15 | 18 | 13 | 0 | 15 | 15 |
| Adjustability | FIXED | FIXED | FIXED | FIXED | — | — | — | — | — |
| Dropout Voltage1-Max | 1.2 V | 1.2 V | 1.2 V | 1.2 V | — | — | — | — | — |
| Dropout Voltage1-Nom | 1.1 V | 1.1 V | 1.07 V | 1.1 V | — | — | — | — | — |
| Input Voltage Absolute-Max | 15 V | 15 V | 20 V | 15 V | — | — | — | — | — |
| Input Voltage-Max | 15 V | 15 V | 15 V | 15 V | — | — | 5.5 V | 5.1 V | — |
| Input Voltage-Min | 4.8 V | 4.75 V | 4.75 V | 4.8 V | — | — | 2.7 V | 0.6 V | — |
| JESD-30 Code | R-PDSO-G4 | R-PDSO-G4 | R-PDSO-G4 | R-PDSO-G4 | R-XXMA-N17 | R-PDSO-G6 | R-XQCC-N9 | S-PQCC-N20 | R-PBGA-B6 |
| JESD-609 Code | e4 | e3 | e3 | e4 | — | e4 | — | e4 | e1 |
| Line Regulation-Max | 0.007% | 0.006% | 0.0045% | 0.007% | — | — | — | — | — |
| Load Regulation-Max | 0.012% | 0.01% | 0.01% | 0.012% | — | — | — | — | — |
| Number of Functions | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | — |
| Number of Outputs | 1 | 1 | 1 | 1 | — | — | — | — | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 150 °C | 125 °C | — | — | — | — | — |
| Operating Temperature TJ-Min | -40 °C | — | -55 °C | -40 °C | — | — | — | — | — |
| Output Current1-Max | 0.8 A | 1.3 A | 1 A | 0.8 A | — | — | — | — | — |
| Output Voltage1-Max | 3.36 V | 3.365 V | 3.365 V | 3.36 V | — | — | — | — | — |
| Output Voltage1-Min | 3.24 V | 3.235 V | 3.235 V | 3.24 V | — | — | — | — | — |
| Output Voltage1-Nom | 3.3 V | 3.3 V | 3.3 V | 3.3 V | — | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 | SOT-223 | SOT-223 | SOT-223 | — | TSOP6,.11,37 | LCC9,.09x.12(UNSPEC) | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | MICROELECTRONIC ASSEMBLY | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | CHIP CARRIER | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | GRID ARRAY |
| Packing Method | TR | TR, 7 INCH | TR | TR | — | — | — | — | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | — | 260 | — | 260 | 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 | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — | — | — |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR | HYBRID | — | HYBRID | — | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | NO LEAD | GULL WING | NO LEAD | NO LEAD | BALL |
| Terminal Pitch | 2.3 mm | 2.3 mm | 2.3 mm | 2.3 mm | 1.2 mm | 0.95 mm | 0.55 mm | 0.5 mm | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | UNSPECIFIED | DUAL | QUAD | QUAD | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 | — | 40 | — | 30 | 30 |
| Voltage Tolerance-Max | 1.8% | 2% | 2% | 1.8% | — | — | — | — | — |
| ## REG1117-3.3/2K5 Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| Factory Lead Time | — | 12 Weeks | — | — | 20 Weeks | 27 Weeks | — | — | — |
| Manufacturer Package Code | — | — | 318H-01 | — | MODULE-17 | SOT-23-6 | — | — | — |
| Screening Level | — | — | AEC-Q100 | — | — | — | — | — | — |
| Additional Feature | — | — | — | — | SEATED HGT-NOM | — | ALSO HAS PFM CONTROL | — | — |
| Supply Voltage-Max | — | — | — | — | 3.6 V | — | — | — | — |
| Supply Voltage-Min | — | — | — | — | 1.9 V | — | — | — | — |
| Supply Voltage-Nom | — | — | — | — | 3 V | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | — | — | — | — | RFSOC | — | — | — | — |
| Reach Compliance Code | — | — | — | — | — | Compliant | — | — | — |
| Adjustable Threshold | — | — | — | — | — | YES | — | YES | — |
| Analog IC - Other Type | — | — | — | — | — | LOAD SWITCH | SWITCHING REGULATOR | BATTERY MONITOR/PROTECTOR | — |
| Number of Channels | — | — | — | — | — | 1 | — | 1 | — |
| Supply Current-Max (Isup) | — | — | — | — | — | 0.3 mA | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | — | — | 5.5 V | — | 5.1 V | — |
| Supply Voltage-Min (Vsup) | — | — | — | — | — | 2.5 V | — | 0.6 V | — |
| Supply Voltage-Nom (Vsup) | — | — | — | — | — | 5 V | — | — | — |
| Temperature Grade | — | — | — | — | — | AUTOMOTIVE | — | AUTOMOTIVE | — |
| Threshold Voltage-Nom | — | — | — | — | — | +2.25V,+2.15V | — | — | — |
| ## MIC2039AYM6-TR Alternates Showing results | — | — | — | — | — | Image | — | — | — |
| Control Mode | — | — | — | — | — | — | VOLTAGE-MODE | — | — |
| Control Technique | — | — | — | — | — | — | PULSE WIDTH MODULATION | PULSE FREQUENCY MODULATION | — |
| Input Voltage-Nom | — | — | — | — | — | — | 5 V | — | — |
| Output Current-Max | — | — | — | — | — | — | 1.5 A | — | — |
| Output Voltage-Max | — | — | — | — | — | — | 3.366 V | — | — |
| Output Voltage-Min | — | — | — | — | — | — | 3.234 V | — | — |
| Output Voltage-Nom | — | — | — | — | — | — | 3.3 V | — | — |
| Switcher Configuration | — | — | — | — | — | — | BUCK | BOOST | — |
| Switching Frequency-Max | — | — | — | — | — | — | 3000 kHz | 1000 kHz | — |
| ## BQ25505RGRR Alternates Showing results | — | — | — | — | — | — | — | Image | — |
| Configuration | — | — | — | — | — | — | — | — | COMMON SOURCE, 2 ELEMENTS WITH BUILT-IN DIODE AND RESISTOR |
| DS Breakdown Voltage-Min | — | — | — | — | — | — | — | — | 20 V |
| Drain Current-Max (ID) | — | — | — | — | — | — | — | — | -1.6 A |
| Drain-source On Resistance-Max | — | — | — | — | — | — | — | — | 0.15 Ω |
| FET Technology | — | — | — | — | — | — | — | — | METAL-OXIDE SEMICONDUCTOR |
| Feedback Cap-Max (Crss) | — | — | — | — | — | — | — | — | 10 pF |
| Number of Elements | — | — | — | — | — | — | — | — | 2 |
| Operating Mode | — | — | — | — | — | — | — | — | ENHANCEMENT MODE |
| Polarity/Channel Type | — | — | — | — | — | — | — | — | P-CHANNEL |
| Power Dissipation Ambient-Max | — | — | — | — | — | — | — | — | 0.75 W |
| Power Dissipation-Max (Abs) | — | — | — | — | — | — | — | — | 0.75 W |
| Transistor Application | — | — | — | — | — | — | — | — | SWITCHING |
| Transistor Element Material | — | — | — | — | — | — | — | — | SILICON |
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 8 alternatives for REG1117-3.3/2K5 — response within 24 hours.
Quick Links
SOT-223 1A fixed 3.3V LDO, ±1% accuracy, same pinout and application
SOT-223 1A 3.3V LDO regulator, compatible footprint and electrical specs
Regulator, 3.3V, 1.2V Dropout, BIPolar, PDSO4
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Why Look for Alternatives?
Finding alternatives for REG1117-3.3/2K5 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 REG1117-3.3/2K5 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 REG1117-3.3/2K5?
Known equivalents for REG1117-3.3/2K5 include LD1117S33TR, NCP1117ST33T3G, REG1117-3.3/2K5G4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of REG1117-3.3/2K5?
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 REG1117-3.3/2K5 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.