LM2940S-12/NOPBAlternatives & Equivalent Parts
About LM2940S-12/NOPB
LM2940S-12/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a TO-XXX (Inc. DPAK) 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 | LM2940S-12/NOPBSource | LM2940SX-12/NOPB | MCP1703AT-5002E/DBVAO | 85503-5001 | 43650-0415 |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Microchip | Molex | Molex |
| Package Type | TO-XXX (Inc. DPAK) | Other | SOT223 (3-Pin) | Other | Other |
| Pin Count | 4 | 4 | 3 | 8 | 4 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | -40.0°C ~ 80.0°C | -40.0°C ~ 105.0°C |
| Price | $1.0000 | $1.3212 | $0.2200 | $0.3580 | $0.5940 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | — | Yes | Yes |
| YTEOL | 15 | 15 | 19 | 8 | 8 |
| Adjustability | FIXED | FIXED | FIXED | — | — |
| Dropout Voltage1-Max | 1 V | 1 V | 0.65 V | — | — |
| Dropout Voltage1-Nom | 0.5 V | 0.5 V | 0.33 V | — | — |
| Input Voltage Absolute-Max | 60 V | 60 V | 18 V | — | — |
| Input Voltage-Max | 26 V | 26 V | 16 V | — | — |
| Input Voltage-Min | 13.6 V | 13.6 V | 5.75 V | — | — |
| JESD-30 Code | R-PSSO-G3 | R-PSSO-G3 | R-PDSO-G4 | — | — |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 |
| Line Regulation-Max | 0.12% | 0.12% | 0.15375% | — | — |
| Load Regulation-Max | 0.2% | 0.2% | 0.125% | — | — |
| 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 | 1 A | 1 A | 0.25 A | — | — |
| Output Voltage1-Max | 12.6 V | 12.6 V | 5.15 V | — | — |
| Output Voltage1-Min | 11.4 V | 11.4 V | 4.85 V | — | — |
| Output Voltage1-Nom | 12 V | 12 V | 5 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — |
| Package Equivalence Code | SMSIP3H,.55TB | SMSIP3H,.55TB | SOT-223 | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG | — | — |
| Packing Method | TUBE | TR | TR | — | — |
| Peak Reflow Temperature (Cel) | 245 | 245 | 260 | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | — | — |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Surface Mount | YES | YES | YES | — | — |
| Technology | BIPOLAR | BIPOLAR | CMOS | — | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | — | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | — |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.3 mm | 2.54 mm | 3 mm |
| Terminal Position | SINGLE | SINGLE | DUAL | — | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | — |
| Voltage Tolerance-Max | 5% | 5% | 3% | — | — |
| ## LM2940S-12/NOPB Alternates Showing results | Image | — | — | — | — |
| Manufacturer Package Code | — | — | SOT-223-3 | — | — |
| Factory Lead Time | — | — | 7 Weeks | — | — |
| Screening Level | — | — | AEC-Q100 | — | — |
| ## MCP1703AT-5002E/DBVAO Alternates Showing results | — | — | Image | — | — |
| Additional Feature | — | — | — | LOW PROFILE | — |
| Board Mounting Option | — | — | — | SPLIT BOARD LOCK | PEG |
| Body Breadth | — | — | — | 0.453 inch | 0.219 inch |
| Body Depth | — | — | — | 0.713 inch | 0.39 inch |
| Body Length | — | — | — | 0.6 inch | 0.616 inch |
| Body/Shell Style | — | — | — | JACK | PLUG |
| Connector Type | — | — | — | RJ CONNECTOR | RECTANGULAR POWER CONNECTOR |
| Contact Finish Mating | — | — | — | NOT SPECIFIED | NOT SPECIFIED |
| Contact Finish Termination | — | — | — | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) - reflowed over Nickel (Ni) barrier |
| Contact Gender | — | — | — | FEMALE | MALE |
| Contact Material | — | — | — | NOT SPECIFIED | BRASS |
| Contact Style | — | — | — | TELCOM, MODULAR | SQ PIN-SKT |
| DIN Conformance | — | — | — | NO | NO |
| Durability | — | — | — | 750 Cycles | 30 Cycles |
| Empty Shell | — | — | — | NO | NO |
| Filter Feature | — | — | — | NO | NO |
| IEC Conformance | — | — | — | NO | NO |
| Insulator Color | — | — | — | BLACK | BLACK |
| Insulator Material | — | — | — | GLASS FILLED LIQUID CRYSTAL POLYMER | GLASS FILLED LIQUID CRYSTAL POLYMER |
| MIL Conformance | — | — | — | NO | NO |
| Mating Information | — | — | — | MULTIPLE MATING PARTS AVAILABLE | MULTIPLAE MATING PARTS AVAILABLE |
| Mixed Contacts | — | — | — | NO | NO |
| Mounting Option 1 | — | — | — | LOCKING | — |
| Mounting Style | — | — | — | RIGHT ANGLE | STRAIGHT |
| Mounting Type | — | — | — | BOARD | BOARD |
| Number of Ports | — | — | — | 1 | — |
| Option | — | — | — | GENERAL PURPOSE | GENERAL PURPOSE |
| PCB Contact Pattern | — | — | — | STAGGERED | RECTANGULAR |
| Plating Thickness | — | — | — | 50u inch | 100u inch |
| Rated Current (Signal) | — | — | — | 1.5 A | 8.5 A |
| Reference Standard | — | — | — | UL | CSA; UL |
| Terminal Length | — | — | — | 0.13 inch | 0.125 inch |
| Termination Type | — | — | — | SOLDER | SOLDER |
| Total Number of Contacts | — | — | — | 8 | 4 |
| UL Flammability Code | — | — | — | 94V-0 | 94V-0 |
| Contact Pattern | — | — | — | — | RECTANGULAR |
| Contact Resistance | — | — | — | — | 10 mΩ |
| Dielectric Withstanding Voltage | — | — | — | — | 1500VAC V |
| Insulation Resistance | — | — | — | — | 1000000000 Ω |
| Mating Contact Pitch | — | — | — | — | 0.118 inch |
| Number Of Connectors | — | — | — | — | ONE |
| Number Of PCB Rows | — | — | — | — | 1 |
| Number of Rows Loaded | — | — | — | — | 1 |
| Polarization Key | — | — | — | — | POLARIZED HOUSING |
| Withdrawl Force-Min | — | — | — | — | 3.0024 N |
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 4 alternatives for LM2940S-12/NOPB — response within 24 hours.
Quick Links
Regulator, 12V, 1V Dropout, BIPolar, PSSO3
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Why Look for Alternatives?
Finding alternatives for LM2940S-12/NOPB 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 LM2940S-12/NOPB 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 LM2940S-12/NOPB?
Known equivalents for LM2940S-12/NOPB include LM2940SX-12/NOPB, MCP1703AT-5002E/DBVAO, 85503-5001. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2940S-12/NOPB?
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 LM2940S-12/NOPB 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.