LM321MFX/NOPBAlternatives & Equivalent Parts
About LM321MFX/NOPB
LM321MFX/NOPB 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.
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Specification Comparison
| Parameter | LM321MFX/NOPBSource | LM321MF | LMH6321MR/NOPB | LMH6321TS/NOPB | LM3211MTX-ADJ | SMW2R33JT | BQ27742YZFR-G1 |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | TE Connectivity | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | Small Outline Packages | Other | Small Outline Packages | Resistor Moulded | BGA |
| Pin Count | 5 | 5 | 8 | 4 | 20 | 2 | 15 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 275.0°C | -40.0°C ~ 85.0°C |
| Price | $0.0788 | $0.2074 | $5.3180 | $4.6210 | — | $0.2030 | $1.4490 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | OBSOLETE | OBSOLETE | OBSOLETE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | Yes | — | — | No | — | Yes |
| YTEOL | 15 | 0 | 0 | 0 | 0 | 10 | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER | OPERATIONAL AMPLIFIER | BUFFER | BUFFER | — | — | — |
| Architecture | VOLTAGE-FEEDBACK | VOLTAGE-FEEDBACK | — | — | — | — | — |
| Average Bias Current-Max (IIB) | 0.5 µA | 0.5 µA | 17 µA | 17 µA | — | — | — |
| Bias Current-Max (IIB) @25C | 0.25 µA | 0.25 µA | 0.015 µA | 0.015 µA | — | — | — |
| Common-mode Reject Ratio-Min | 65 dB | 65 dB | — | — | — | — | — |
| Common-mode Reject Ratio-Nom | 85 dB | 85 dB | — | — | — | — | — |
| Frequency Compensation | YES | YES | — | — | — | — | — |
| Input Offset Current-Max (IIO) | 0.05 µA | 0.05 µA | — | — | — | — | — |
| Input Offset Voltage-Max | 7000 µV | 7000 µV | 35000 µV | 35000 µV | — | — | — |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | R-PDSO-G8 | R-PSSO-G7 | R-PDSO-G20 | — | R-XBGA-B15 |
| JESD-609 Code | e4 | e0 | e3 | e3 | e0 | — | e1 |
| Low-Bias | NO | NO | — | — | — | — | — |
| Low-Offset | NO | NO | — | — | — | — | — |
| Micropower | NO | NO | — | — | — | — | — |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | — | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | UNSPECIFIED |
| Package Equivalence Code | TSOP5/6,.11,37 | TSOP5/6,.11,37 | SOP8,.25 | SMSIP7H,.55,50TB | TSSOP20,.25 | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR PACKAGE | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMT | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Packing Method | TR | TR | TUBE | TUBE | — | TR | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 245 | — | — | 260 |
| Power | NO | NO | — | — | — | — | — |
| Programmable Power | NO | NO | — | — | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | — | — |
| Slew Rate-Nom | 0.5 V/us | 0.5 V/us | 1800 V/us | 1800 V/us | — | — | — |
| Subcategory | Operational Amplifier | Operational Amplifier | — | — | — | — | — |
| Supply Current-Max | 0.7 mA | 0.7 mA | 14.5 mA | 14.5 mA | — | — | — |
| Supply Voltage Limit-Max | 32 V | 32 V | 18 V | 18 V | — | — | — |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 15 V | 15 V | — | — | 3.6 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR | — | WIRE WOUND | — |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE | — | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin/Lead (Sn/Pb) | Matte Tin (Sn) | Matte Tin (Sn) | TIN LEAD | — | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | — | BALL |
| Terminal Pitch | 0.95 mm | 0.95 mm | 1.27 mm | 1.27 mm | 0.65 mm | — | 0.5 mm |
| Terminal Position | DUAL | DUAL | DUAL | SINGLE | DUAL | — | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | 30 | — | — | 30 |
| Unity Gain BW-Nom | 1000 | 1000 | 110000 | 110000 | — | — | — |
| Voltage Gain-Min | 25000 | 25000 | — | — | — | — | — |
| Wideband | NO | NO | — | — | — | — | — |
| ## LM321MFX/NOPB Alternates Showing results | Image | — | — | — | — | — | — |
| Bandwidth (3dB)-Nom | — | — | 110 MHz | 110 MHz | — | — | — |
| Neg Supply Voltage Limit-Max | — | — | -18 V | -18 V | — | — | — |
| Neg Supply Voltage-Nom (Vsup) | — | — | -15 V | -15 V | — | — | — |
| Output Current-Min | — | — | 0.3 A | 0.3 A | — | — | — |
| ## LMH6321TS/NOPB Alternates Showing results | — | — | — | Image | — | — | — |
| Analog IC - Other Type | — | — | — | — | SWITCHING REGULATOR | — | BATTERY GAUGE |
| Control Mode | — | — | — | — | CURRENT-MODE | — | — |
| Control Technique | — | — | — | — | PULSE WIDTH MODULATION | — | — |
| Input Voltage-Max | — | — | — | — | 7.5 V | — | — |
| Input Voltage-Min | — | — | — | — | 2.2 V | — | — |
| Input Voltage-Nom | — | — | — | — | 2.5 V | — | — |
| Switcher Configuration | — | — | — | — | BOOST | — | — |
| Switching Frequency-Max | — | — | — | — | 1500 kHz | — | — |
| ## LM3211MTX-ADJ Alternates Showing results | — | — | — | — | Image | — | — |
| Reach Compliance Code | — | — | — | — | — | Unknown | — |
| Factory Lead Time | — | — | — | — | — | 29 Weeks, 2 Days | — |
| Additional Feature | — | — | — | — | — | FLAME PROOF | ALSO OPERATES WITH SUPPLY 2.45 TO 2.8V; VG THR FOR ATTACHMENT DET IS 2.7V AND REMOVAL DET IS 1V |
| Construction | — | — | — | — | — | Rectangular | — |
| Mounting Feature | — | — | — | — | — | SURFACE MOUNT | — |
| Package Height | — | — | — | — | — | 3.55 mm | — |
| Package Length | — | — | — | — | — | 6.7 mm | — |
| Package Width | — | — | — | — | — | 4 mm | — |
| Physical Dimension | — | — | — | — | — | 4mm x 6.7mm x 3.55mm | — |
| Rated Power Dissipation (P) | — | — | — | — | — | 2 W | — |
| Rated Temperature | — | — | — | — | — | 20 °C | — |
| Resistance | — | — | — | — | — | 0.33 Ω | — |
| Resistor Type | — | — | — | — | — | FIXED RESISTOR | — |
| Size Code | — | — | — | — | — | 2616 | — |
| Temperature Coefficient | — | — | — | — | — | 200 ppm/°C | — |
| Terminal Shape | — | — | — | — | — | WRAPAROUND | — |
| Tolerance | — | — | — | — | — | 5% | — |
| Working Voltage | — | — | — | — | — | 300 V | — |
| Adjustable Threshold | — | — | — | — | — | — | YES |
| Number of Channels | — | — | — | — | — | — | 1 |
| Supply Current-Max (Isup) | — | — | — | — | — | — | 0.01 mA |
| Supply Voltage-Max (Vsup) | — | — | — | — | — | — | 5 V |
| Supply Voltage-Min (Vsup) | — | — | — | — | — | — | 2.8 V |
| ## BQ27742YZFR-G1 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 LM321MFX/NOPB — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for LM321MFX/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 LM321MFX/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 LM321MFX/NOPB?
Known equivalents for LM321MFX/NOPB include LM321MF, LMH6321MR/NOPB, LMH6321TS/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM321MFX/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 LM321MFX/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.