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.
Need pricing on these alternatives?
Get one quote covering all 6 alternatives for LM397MF — response within 24 hours.
Specification Comparison
| Parameter | LM397MFSource | LM397MFX/NOPB | MC33269D-3.3G | GRM1555C1E220JA01D | GRM1555C1H6R8DA01D | GRM155R70G105KA12D | LM397MF/NOPB |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | ON Semiconductor | Murata Electronics | Murata Electronics | Murata Electronics | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | Small Outline Packages | Capacitor Chip Non-polarised | Capacitor Chip Non-polarised | Capacitor Chip Non-polarised | SOT23 (5-Pin) |
| Pin Count | 5 | 5 | 8 | 2 | 2 | 2 | 5 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -40.0°C ~ 85.0°C |
| Price | $0.2625 | $0.1836 | $0.1740 | $0.0070 | $0.0030 | $0.0050 | $0.2625 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | NOT RECOMMENDED | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| YTEOL | 0 | 15 | 6.2 | 3 | 3 | 7 | 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-G8 | — | — | — | R-PDSO-G5 |
| JESD-609 Code | e0 | e3 | e3 | e3 | e3 | e3 | e3 |
| Number of Functions | 1 | 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 | — | — | — | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | TSOP5/6,.11,37 | SOP8,.25 | — | — | — | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE | SMT | SMT | SMT | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR | TR | RAIL | 180mm Reel W8P2 | 180mm Reel W8P2 | 180mm Reel W8P2 | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — | — | — | 260 |
| Qualification Status | Not Qualified | 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 | YES | YES | YES | YES |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | — | — | — | INDUSTRIAL |
| Terminal Finish | Tin/Lead (Sn/Pb) | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | — | — | GULL WING |
| Terminal Pitch | 0.953 mm | 0.953 mm | 1.27 mm | — | — | — | 0.953 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | — | — | DUAL |
| ## LM397MF Alternates Showing results | Image | — | — | — | — | — | — |
| Pbfree Code | — | Yes | Yes | Yes | Yes | Yes | Yes |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 | — | — | — | 30 |
| Manufacturer Package Code | — | — | 751-07 | — | — | — | — |
| Factory Lead Time | — | — | 12 Weeks | 10 Weeks | 10 Weeks | 10 Weeks | — |
| Adjustability | — | — | FIXED | — | — | — | — |
| Dropout Voltage1-Max | — | — | 1.35 V | — | — | — | — |
| Dropout Voltage1-Nom | — | — | 1.1 V | — | — | — | — |
| Input Voltage Absolute-Max | — | — | 20 V | — | — | — | — |
| Input Voltage-Max | — | — | 20 V | — | — | — | — |
| Input Voltage-Min | — | — | 4.8 V | — | — | — | — |
| Line Regulation-Max | — | — | 0.0099% | — | — | — | — |
| Load Regulation-Max | — | — | 0.0165% | — | — | — | — |
| Number of Outputs | — | — | 1 | — | — | — | — |
| Operating Temperature TJ-Max | — | — | 150 °C | — | — | — | — |
| Operating Temperature TJ-Min | — | — | -40 °C | — | — | — | — |
| Output Current1-Max | — | — | 0.8 A | — | — | — | — |
| Output Voltage1-Max | — | — | 3.37 V | — | — | — | — |
| Output Voltage1-Min | — | — | 3.23 V | — | — | — | — |
| Output Voltage1-Nom | — | — | 3.3 V | — | — | — | — |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — | — |
| Screening Level | — | — | AEC-Q100 | — | — | — | — |
| Technology | — | — | BIPOLAR | — | — | — | — |
| Voltage Tolerance-Max | — | — | 2.12% | — | — | — | — |
| Reach Compliance Code | — | — | — | Compliant | Compliant | Compliant | — |
| Capacitance | — | — | — | 0.000022 µF | 0.0000068 µF | 1 µF | — |
| Capacitor Type | — | — | — | CERAMIC CAPACITOR | CERAMIC CAPACITOR | CERAMIC CAPACITOR | — |
| Dielectric Material | — | — | — | CERAMIC | CERAMIC | CERAMIC | — |
| Height | — | — | — | 0.5 mm | 0.5 mm | 0.5 mm | — |
| Mounting Feature | — | — | — | SURFACE MOUNT | SURFACE MOUNT | SURFACE MOUNT | — |
| Multilayer | — | — | — | YES | YES | YES | — |
| Negative Tolerance | — | — | — | 5% | 7.3529% | 10% | — |
| Positive Tolerance | — | — | — | 5% | 7.3529% | 10% | — |
| Rated (DC) Voltage (URdc) | — | — | — | 25 V | 50 V | 4 V | — |
| Size Code | — | — | — | 1005M/0402 | 1005M/0402 | 1005M/0402 | — |
| Temperature Characteristics Code | — | — | — | C0G | C0G | X7R | — |
| Temperature Coefficient | — | — | — | 30ppm/Cel ppm/°C | 30ppm/Cel ppm/°C | 15% ppm/°C | — |
| Terminal Shape | — | — | — | WRAPAROUND | WRAPAROUND | WRAPAROUND | — |
| ## LM397MF/NOPB Alternates Showing results | — | — | — | — | — | — | Image |
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 6 alternatives for LM397MF — response within 24 hours.
Quick Links
Comparator, 1 Func, 7000uV Offset-Max, 940000ns Response Time, PDSO5
suggested
suggested
suggested
suggested
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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for LM397MF. Get expert recommendations within 24 hours.
FAQ
What is equivalent to LM397MF?
Known equivalents for LM397MF include LM397MFX/NOPB, MC33269D-3.3G, GRM1555C1E220JA01D. 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.