LM397MFAlternatives & Equivalent Parts
About LM397MF
LM397MF is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT23 (5-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM397MFSource | LM397MFX/NOPB | LM397MF/NOPB |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | SOT23 (5-Pin) |
| Pin Count | 5 | 5 | 5 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.2625 | $0.1836 | $0.2625 |
| Electrical Parameters | |||
| YTEOL | 0 | 15 | 15 |
| Amplifier Type | COMPARATOR | COMPARATOR | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.4 µA | 0.4 µA | 0.4 µA |
| Bias Current-Max (IIB) @25C | 0.25 µA | 0.25 µA | 0.25 µA |
| Input Offset Voltage-Max | 7000 µV | 7000 µV | 7000 µV |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | R-PDSO-G5 |
| JESD-609 Code | e0 | e3 | e3 |
| Number of Functions | 1 | 1 | 1 |
| Output Type | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | TSOP5/6,.11,37 | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Response Time-Nom | 940000 ns | 940000 ns | 940000 ns |
| Subcategory | Comparator | Comparator | Comparator |
| Supply Current-Max | 1 mA | 1 mA | 1 mA |
| Supply Voltage Limit-Max | 30 V | 30 V | 30 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Tin/Lead (Sn/Pb) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.953 mm | 0.953 mm | 0.953 mm |
| Terminal Position | DUAL | DUAL | DUAL |
| ## LM397MF Alternates Showing results | Image | — | — |
| Pbfree Code | — | Yes | Yes |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 |
| ## LM397MF/NOPB Alternates Showing results | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Comparator, 1 Func, 7000uV Offset-Max, 940000ns Response Time, PDSO5
Comparator, 1 Func, 7000uV Offset-Max, 940000ns Response Time, PDSO5
Why Look for Alternatives?
Finding alternatives for LM397MF 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 LM397MF 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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What is equivalent to LM397MF?
Known equivalents for LM397MF include LM397MFX/NOPB, LM397MF/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM397MF?
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 LM397MF 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.