LM337IMPX/NOPBAlternatives & Equivalent Parts
About LM337IMPX/NOPB
LM337IMPX/NOPB is a Power Supply 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.
Specification Comparison
| Parameter | LM337IMPX/NOPBSource | LM337IMP/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | SOT223 (3-Pin) | SOT223 (3-Pin) |
| Pin Count | 3 | 3 |
| Temperature Range | — | — |
| Price | $0.5692 | $0.5692 |
| Electrical Parameters | ||
| Pbfree Code | Yes | Yes |
| Reach Compliance Code | Compliant | — |
| YTEOL | 15 | 15 |
| Adjustability | ADJUSTABLE | ADJUSTABLE |
| Dropout Voltage1-Nom | 2.4 V | 2.4 V |
| Input Voltage-Max | 4.2 V | 4.2 V |
| Input Voltage-Min | 40 V | 40 V |
| Input-Output Voltage Differential-Max | 40 V | 40 V |
| Input-Output Voltage Differential-Min | 3 V | 3 V |
| JESD-30 Code | R-PDSO-G4 | R-PDSO-G4 |
| JESD-609 Code | e3 | e3 |
| Line Regulation-Max (%/V) | 0.07 | 0.07 |
| Load Regulation-Max(%) | 1.5% | 1.5% |
| Number of Functions | 1 | 1 |
| Number of Outputs | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C |
| Operating Temperature TJ-Min | -40 °C | -40 °C |
| Output Current1-Max | 1.5 A | 1.5 A |
| Output Voltage1-Max | -1.2 V | -1.2 V |
| Output Voltage1-Min | -37 V | -37 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 | SOT-223 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified |
| Regulator Type | ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | YES | YES |
| Technology | BIPOLAR | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 2.3 mm | 2.3 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 |
| Voltage Tolerance-Max | 2.4% | 2.4% |
| ## LM337IMP/NOPB Alternates Showing results | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Regulator, -37V Min, -1.2V Max, BIPolar, PDSO4
Why Look for Alternatives?
Finding alternatives for LM337IMPX/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 LM337IMPX/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 LM337IMPX/NOPB. Get expert recommendations within 24 hours.
Request Alternatives for LM337IMPX/NOPBFAQ
What is equivalent to LM337IMPX/NOPB?
Known equivalents for LM337IMPX/NOPB include LM337IMP/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM337IMPX/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 LM337IMPX/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.