LM2940IMPX-10/NOPBAlternatives & Equivalent Parts
About LM2940IMPX-10/NOPB
LM2940IMPX-10/NOPB is a Integrated Circuit component manufactured by Texas Instruments. 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.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for LM2940IMPX-10/NOPB — response within 24 hours.
Specification Comparison
| Parameter | LM2940IMPX-10/NOPBSource | LM2940IMP-10/NOPB | LM2940IMPX-10 | 618009231121 | 4N26 | CP1W-12V |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Würth Elektronik | Vishay | Panasonic |
| Package Type | SOT223 (3-Pin) | SOT223 (3-Pin) | SOT223 (3-Pin) | Other | Dual-In-Line Packages | Other |
| Pin Count | 4 | 4 | 4 | 11 | 6 | 5 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | -55.0°C ~ 105.0°C | -55.0°C ~ 100.0°C | -40.0°C ~ 85.0°C |
| Price | $1.1196 | $0.9340 | $1.1196 | $1.6000 | $0.0999 | $1.7700 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | No | — | Yes | — |
| YTEOL | 15 | 15 | 0 | 15 | 5.25 | 7 |
| Adjustability | FIXED | FIXED | FIXED | — | — | — |
| Dropout Voltage1-Max | 1 V | 1 V | 1 V | — | — | — |
| Dropout Voltage1-Nom | 0.5 V | 0.5 V | 0.5 V | — | — | — |
| Input Voltage Absolute-Max | 60 V | 60 V | 60 V | — | — | — |
| Input Voltage-Max | 26 V | 26 V | 26 V | — | — | — |
| Input Voltage-Min | 11.5 V | 11.5 V | 11.5 V | — | — | — |
| JESD-30 Code | R-PDSO-G4 | R-PDSO-G4 | R-PDSO-G4 | — | — | — |
| JESD-609 Code | e3 | e3 | e0 | e4 | — | — |
| Line Regulation-Max | 0.1% | 0.1% | 0.1% | — | — | — |
| Load Regulation-Max | 0.165% | 0.165% | 0.165% | — | — | — |
| Number of Functions | 1 | 1 | 1 | — | — | — |
| Number of Outputs | 1 | 1 | 1 | — | — | — |
| Operating Temperature TJ-Max | 85 °C | 85 °C | 150 °C | — | — | — |
| Operating Temperature TJ-Min | -40 °C | -40 °C | -40 °C | — | — | — |
| Output Current1-Max | 1 A | 1 A | 1 A | — | — | — |
| Output Voltage1-Max | 10.5 V | 10.5 V | 10.5 V | — | — | — |
| Output Voltage1-Min | 9.5 V | 9.5 V | 9.5 V | — | — | — |
| Output Voltage1-Nom | 10 V | 10 V | 10 V | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | — |
| Package Equivalence Code | SOT-223 | SOT-223 | SOT-223 | — | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | — | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | — | — | — |
| Packing Method | TR | TR | TR | — | — | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — | — | — |
| Qualification Status | 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 | — | — | — |
| Surface Mount | YES | YES | YES | — | NO | — |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | — | — | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | TIN LEAD | — | — | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | — | — |
| Terminal Pitch | 2.3 mm | 2.3 mm | 2.3 mm | 2.77 mm | — | — |
| Terminal Position | DUAL | DUAL | DUAL | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | — | — | — |
| Voltage Tolerance-Max | 5% | 5% | 5% | — | — | — |
| ## LM2940IMPX-10/NOPB Alternates Showing results | Image | — | — | — | — | — |
| Additional Feature | — | — | — | SHIELDED | UL RECOGNIZED | — |
| Board Mounting Option | — | — | — | SPLIT BOARD LOCK | — | — |
| Body Breadth | — | — | — | 0.492 inch | — | 13 mm |
| Body Depth | — | — | — | 0.488 inch | — | — |
| Body Length | — | — | — | 1.213 inch | — | — |
| Connector Type | — | — | — | D SUBMINIATURE CONNECTOR | — | — |
| Contact Design | — | — | — | STAMPED | — | — |
| Contact Finish Mating | — | — | — | NOT APPLICABLE | — | — |
| Contact Finish Termination | — | — | — | Gold (Au) | — | — |
| Contact Gender | — | — | — | FEMALE | — | — |
| Contact Material | — | — | — | NOT APPLICABLE | — | — |
| Contact Pattern | — | — | — | STAGGERED | — | — |
| Contact Resistance | — | — | — | 30 mΩ | — | 8 mΩ |
| Contact Style | — | — | — | RND PIN-SKT | — | — |
| DIN Conformance | — | — | — | NO | — | — |
| Dielectric Withstanding Voltage | — | — | — | 1000VAC V | — | — |
| Empty Shell | — | — | — | NO | — | — |
| Filter Feature | — | — | — | NO | — | — |
| IEC Conformance | — | — | — | NO | — | — |
| Insulation Resistance | — | — | — | 5000000000 Ω | — | 100000000 Ω |
| Insulator Color | — | — | — | BLACK | — | — |
| Insulator Material | — | — | — | POLYBUTYLENE TEREPHTHALATE | — | — |
| MIL Conformance | — | — | — | NO | — | — |
| Mating Contact Pitch | — | — | — | 0.109 inch | — | — |
| Mating Contact Row Spacing | — | — | — | 0.112 inch | — | — |
| Mixed Contacts | — | — | — | NO | — | — |
| Mounting Option 1 | — | — | — | #4-40 UNC | — | — |
| Mounting Option 2 | — | — | — | SCREW | — | — |
| Mounting Style | — | — | — | RIGHT ANGLE | — | — |
| Mounting Type | — | — | — | BOARD | — | — |
| Number Of Connectors | — | — | — | ONE | — | — |
| Number Of PCB Rows | — | — | — | 2 | — | — |
| Number of Rows Loaded | — | — | — | 2 | — | — |
| Option | — | — | — | GENERAL PURPOSE | — | — |
| PCB Contact Pattern | — | — | — | STAGGERED | — | — |
| PCB Contact Row Spacing | — | — | — | 2.84 mm | — | — |
| Rated Current (Signal) | — | — | — | 3 A | — | — |
| Reference Standard | — | — | — | UL | — | — |
| Shell Finish | — | — | — | NICKEL | — | — |
| Shell Material | — | — | — | STEEL | — | — |
| Shell Size | — | — | — | 1/E | — | — |
| Terminal Length | — | — | — | 0.125 inch | — | 0.003500127000254001 inch |
| Termination Type | — | — | — | SOLDER | — | SOLDER |
| Total Number of Contacts | — | — | — | 9 | — | — |
| UL Flammability Code | — | — | — | 94V-0 | — | — |
| Factory Lead Time | — | — | — | — | 10 Weeks | — |
| Coll-Emtr Bkdn Voltage-Min | — | — | — | — | 30 V | — |
| Configuration | — | — | — | — | SINGLE | — |
| Current Transfer Ratio-Min | — | — | — | — | 10% | — |
| Current Transfer Ratio-Nom | — | — | — | — | 50% | — |
| Dark Current-Max | — | — | — | — | 50 nA | — |
| Forward Current-Max | — | — | — | — | 0.06 A | — |
| Forward Voltage-Max | — | — | — | — | 1.5 V | — |
| Isolation Voltage-Max | — | — | — | — | 1500 V | — |
| Mounting Feature | — | — | — | — | THROUGH HOLE MOUNT | — |
| Number of Elements | — | — | — | — | 1 | — |
| On-State Current-Max | — | — | — | — | 0.15 A | — |
| Optoelectronic Device Type | — | — | — | — | TRANSISTOR OUTPUT OPTOCOUPLER | — |
| Power Dissipation-Max | — | — | — | — | 0.15 W | — |
| Response Time-Max | — | — | — | — | 0.0000028 s | — |
| Body Height | — | — | — | — | — | 9.5 mm |
| Body Length or Diameter | — | — | — | — | — | 14 mm |
| Coil Operate Voltage(DC) | — | — | — | — | — | 7.2 V |
| Coil Release Voltage(DC) | — | — | — | — | — | 1 V |
| Coil Resistance | — | — | — | — | — | 225 Ω |
| Coil Voltage(DC)-Max | — | — | — | — | — | 16 V |
| Coil Voltage-Nom | — | — | — | — | — | 12 V |
| Coil/Input Supply Type | — | — | — | — | — | DC |
| Contact Current(DC)-Max | — | — | — | — | — | 20 A |
| Contact (DC) Max Rating R Load | — | — | — | — | — | 20A@14VDC |
| Contact Voltage(DC)-Max | — | — | — | — | — | 14 V |
| Contact/Output Supply Type | — | — | — | — | — | DC |
| Electrical Life | — | — | — | — | — | 100000 Cycle(s) |
| End Contact Material | — | — | — | — | — | Silver Alloy |
| Input Switching Control Type | — | — | — | — | — | Random |
| Operate Time | — | — | — | — | — | 10 ms |
| Physical Dimension | — | — | — | — | — | 14mm x 13mm x 9.5mm |
| Relay Form | — | — | — | — | — | 1 FORM C |
| Relay Function | — | — | — | — | — | SPDT |
| Relay Type | — | — | — | — | — | POWER/SIGNAL RELAY |
| Release Time | — | — | — | — | — | 10 ms |
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 LM2940IMPX-10/NOPB — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LM2940IMPX-10/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 LM2940IMPX-10/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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for LM2940IMPX-10/NOPB. Get expert recommendations within 24 hours.
FAQ
What is equivalent to LM2940IMPX-10/NOPB?
Known equivalents for LM2940IMPX-10/NOPB include LM2940IMP-10/NOPB, LM2940IMPX-10, 618009231121. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2940IMPX-10/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 LM2940IMPX-10/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.