LM2937IMP-3.3/NOPBAlternatives & Equivalent Parts
About LM2937IMP-3.3/NOPB
LM2937IMP-3.3/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.
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Specification Comparison
| Parameter | LM2937IMP-3.3/NOPBSource | LM2937ET-3.3/NOPB | TPS7333QP | AZ1117H-3.3TRE1 | LM2937ES-3.3/NOPB | 750311692 |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Diodes Inc. | Texas Instruments | Würth Elektronik |
| Package Type | SOT223 (3-Pin) | Transistor Outline, Vertical | Dual-In-Line Packages | SOT223 (3-Pin) | SOT-223 | Other |
| Pin Count | 3 | 3 | 8 | 4 | 3 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.9363 | $0.7050 | $2.4020 | $0.0300 | $1.0840 | $2.9341 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | NOT RECOMMENDED | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | Yes | — | Yes | — |
| YTEOL | 15 | 15 | 15 | 3 | 15 | 15 |
| Adjustability | FIXED | FIXED | FIXED | FIXED | FIXED | — |
| Dropout Voltage1-Max | 0.5 V | 0.5 V | 0.4 V | 1.25 V | 0.5 V | — |
| Dropout Voltage1-Nom | 0.5 V | 0.5 V | 0.27 V | 1.15 V | 0.5 V | — |
| Input Voltage Absolute-Max | 26 V | 26 V | 11 V | 20 V | 26 V | — |
| Input Voltage-Max | 26 V | 26 V | 10 V | 15 V | 26 V | 15 V |
| Input Voltage-Min | 4.75 V | 4.75 V | 3.77 V | 4.75 V | 4.75 V | 8 V |
| JESD-30 Code | R-PDSO-G4 | R-PSFM-T3 | R-PDIP-T8 | R-PDSO-G3 | R-PSSO-G3 | — |
| JESD-609 Code | e3 | e3 | e4 | e3 | e3 | — |
| Line Regulation-Max | 0.033% | 0.033% | 0.029% | 0.006% | 0.033% | — |
| Load Regulation-Max | 0.033% | 0.033% | 0.12% | 0.01% | 0.033% | — |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | — |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | — |
| Operating Temperature TJ-Max | 85 °C | 125 °C | 125 °C | 125 °C | 125 °C | — |
| Operating Temperature TJ-Min | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C | — |
| Output Current1-Max | 0.5 A | 0.5 A | 0.5 A | 1 A | 0.5 A | — |
| Output Voltage1-Max | 3.46 V | 3.46 V | 3.37 V | 3.365 V | 3.46 V | — |
| Output Voltage1-Min | 3.14 V | 3.14 V | 3.23 V | 3.235 V | 3.14 V | — |
| Output Voltage1-Nom | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | SOT-223 | SIP3,.1TB | DIP8,.3 | SOT-223 | SMSIP3H,.55TB | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | FLANGE MOUNT | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | — |
| Packing Method | TR | TUBE | TUBE | TR | TUBE | TR, EMBOSSED PLASTIC, 13 INCH |
| Peak Reflow Temperature (Cel) | 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 POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Surface Mount | YES | NO | NO | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BICMOS | BIPOLAR | BIPOLAR | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | MATTE TIN | Matte Tin (Sn) | — |
| Terminal Form | GULL WING | THROUGH-HOLE | THROUGH-HOLE | GULL WING | GULL WING | — |
| Terminal Pitch | 2.3 mm | 2.54 mm | 2.54 mm | 2.3 mm | 2.54 mm | — |
| Terminal Position | DUAL | SINGLE | DUAL | DUAL | SINGLE | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — | 30 | 30 | — |
| Voltage Tolerance-Max | 4.8% | 4.8% | 2% | 2% | 4.8% | — |
| ## LM2937IMP-3.3/NOPB Alternates Showing results | Image | — | — | — | — | — |
| ## LM2937ET-3.3/NOPB Alternates Showing results | — | Image | — | — | — | — |
| Factory Lead Time | — | — | — | 12 Weeks | — | — |
| Reach Compliance Code | — | — | — | — | Not Compliant | — |
| ## LM2937ES-3.3/NOPB Alternates Showing results | — | — | — | — | Image | — |
| Additional Feature | — | — | — | — | — | LENGTH DIM INCLUDES TERMINALS ALSO |
| Height | — | — | — | — | — | 10.54 mm |
| Mounting Feature | — | — | — | — | — | SURFACE MOUNT |
| Number of Primary Winding | — | — | — | — | — | 1 |
| Number of Secondary Winding | — | — | — | — | — | 2 |
| Output Voltage 1 | — | — | — | — | — | 150 V |
| Output Voltage 2 | — | — | — | — | — | -150 V |
| Primary Inductance | — | — | — | — | — | 80 µH |
| Transformer Type | — | — | — | — | — | SMPS TRANSFORMER |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 5 alternatives for LM2937IMP-3.3/NOPB — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LM2937IMP-3.3/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 LM2937IMP-3.3/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 LM2937IMP-3.3/NOPB?
Known equivalents for LM2937IMP-3.3/NOPB include LM2937ET-3.3/NOPB, TPS7333QP, AZ1117H-3.3TRE1. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2937IMP-3.3/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 LM2937IMP-3.3/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.