LM393NAlternatives & Equivalent Parts

LM393N is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About LM393N

LM393N is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Get one quote covering all 6 alternatives for LM393N — response within 24 hours.

Specification Comparison

ParameterLM393NSourceCNY74-2HUC3843BN74HC574NLM393PE4LM339NGLM393N/NOPB
ManufacturerTexas InstrumentsVishaySTMicroelectronicsNexperiaTexas InstrumentsON SemiconductorTexas Instruments
Package TypeDual-In-Line PackagesDual-In-Line PackagesDual-In-Line PackagesDual-In-Line PackagesDual-In-Line PackagesDual-In-Line PackagesDual-In-Line Packages
Pin Count888208148
Temperature Range~ 70.0°C-55.0°C ~ 110.0°C~ 70.0°C—~ 70.0°C~ 70.0°C~ 70.0°C
Price$0.0893$0.3236$0.3350$0.4763$0.1147$0.8304$0.0893
StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEOBSOLETEACTIVE—ACTIVEOBSOLETEACTIVE
Electrical Parameters
Pbfree CodeYes———YesYesYes
Manufacturer Package Code626-05————646-06—
YTEOL006—15015
Amplifier TypeCOMPARATOR———COMPARATORCOMPARATORCOMPARATOR
Average Bias Current-Max (IIB)0.4 µA———0.4 µA0.4 µA0.4 µA
Input Offset Voltage-Max9000 µV———5000 µV9000 µV5000 µV
JESD-30 CodeR-PDIP-T8—R-PDIP-T8—R-PDIP-T8R-PDIP-T14R-PDIP-T8
JESD-609 Codee3e3e4—e4e3e4
Number of Functions2—1—242
Output TypeOPEN-COLLECTOR———OPEN-COLLECTOR; OPEN-DRAINOPEN-COLLECTOROPEN-COLLECTOR; OPEN-DRAIN
Package Body MaterialPLASTIC/EPOXY—PLASTIC/EPOXY—PLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeDIP8,.3—DIP8,.3—DIP8,.3DIP14,.3DIP8,.3
Package ShapeRECTANGULAR—RECTANGULAR—RECTANGULARRECTANGULARRECTANGULAR
Package StyleIN-LINE—IN-LINE—IN-LINEIN-LINEIN-LINE
Peak Reflow Temperature (Cel)260——————
Qualification StatusNot Qualified—Not Qualified—Not QualifiedNot QualifiedNot Qualified
Response Time-Nom1300 ns———1300 ns1300 ns1300 ns
Supply Current-Max2.5 mA———1 mA2.5 mA1 mA
Supply Voltage Limit-Max36 V———36 V36 V36 V
Supply Voltage-Nom (Vsup)5 V———5 V5 V5 V
Surface MountNONONO—NONONO
TechnologyBIPOLAR—BIPOLAR—BIPOLARBIPOLARBIPOLAR
Temperature GradeCOMMERCIAL—COMMERCIAL—COMMERCIALCOMMERCIALCOMMERCIAL
Terminal FinishTINTin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)—Nickel/Palladium/Gold (Ni/Pd/Au)MATTE TINNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormTHROUGH-HOLE—THROUGH-HOLE—THROUGH-HOLETHROUGH-HOLETHROUGH-HOLE
Terminal Pitch2.54 mm—2.54 mm—2.54 mm2.54 mm2.54 mm
Terminal PositionDUAL—DUAL—DUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)30——————
Factory Lead Time—111 Weeks14 Weeks————
Additional Feature—UL RECOGNIZED—————
Coll-Emtr Bkdn Voltage-Min—70 V—————
Configuration—SEPARATE, 2 CHANNELS—————
Current Transfer Ratio-Min—50%—————
Dark Current-Max—100 nA—————
Forward Current-Max—0.06 A—————
Isolation Voltage-Max—5300 V—————
Mounting Feature—THROUGH HOLE MOUNT—————
Number of Elements—2—————
Optoelectronic Device Type—TRANSISTOR OUTPUT OPTOCOUPLER—————
Analog IC - Other Type——SWITCHING CONTROLLER————
Control Mode——CURRENT-MODE————
Control Technique——PULSE WIDTH MODULATION————
Input Voltage-Max——30 V————
Input Voltage-Min——8.2 V————
Input Voltage-Nom——15 V————
Output Current-Max——1 A————
Switcher Configuration——SINGLE————
Switching Frequency-Max——500 kHz————
## UC3843BN Alternates Showing results——Image————
Date Of Intro————1988-04-01——
Bias Current-Max (IIB) @25C————0.05 µA0.25 µA0.25 µA
Packing Method————TUBE—TUBE
Subcategory————Comparator—Comparator
## LM393PE4 Alternates Showing results————Image——
## LM393N/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 LM393N — response within 24 hours.

Quick Links

CNY74-2H

suggested

UC3843BN

suggested

74HC574N

suggested

LM393PE4by Texas Instruments

Comparator, 2 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP8

LM339NGby onsemi

Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14

LM393N/NOPBby Texas Instruments

Comparator, 2 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP8

Why Look for Alternatives?

Finding alternatives for LM393N 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 LM393N 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 LM393N?

Known equivalents for LM393N include CNY74-2H, UC3843BN, 74HC574N. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM393N?

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 LM393N 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.