LM393NAlternatives & Equivalent Parts
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.
Specification Comparison
| Parameter | LM393NSource | UC3843BN | LM393PE4 | LM393N/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | STMicroelectronics | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 8 | 8 | 8 | 8 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C | ~ 70.0°C |
| Price | $0.0893 | — | $0.1147 | $0.0893 |
| Electrical Parameters | ||||
| YTEOL | 0 | 6 | 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 | — | 0.05 µA | 0.25 µA |
| Input Offset Voltage-Max | 9000 µV | — | 5000 µV | 5000 µV |
| JESD-30 Code | R-PDIP-T8 | R-PDIP-T8 | R-PDIP-T8 | R-PDIP-T8 |
| JESD-609 Code | e3 | e4 | e4 | e4 |
| Number of Functions | 2 | 1 | 2 | 2 |
| Output Type | OPEN-COLLECTOR | — | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 | DIP8,.3 | DIP8,.3 | DIP8,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | IN-LINE | IN-LINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Response Time-Nom | 1300 ns | — | 1300 ns | 1300 ns |
| Supply Current-Max | 2.5 mA | — | 1 mA | 1 mA |
| Supply Voltage Limit-Max | 36 V | — | 36 V | 36 V |
| Supply Voltage-Nom (Vsup) | 5 V | — | 5 V | 5 V |
| Surface Mount | NO | NO | NO | NO |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Temperature Grade | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal Finish | MATTE TIN | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| ## LM393N Alternates Showing results | Image | — | — | — |
| Factory Lead Time | — | 14 Weeks | — | — |
| 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 | — | — |
| Pbfree Code | — | — | Yes | Yes |
| Date Of Intro | — | — | 1988-04-01 | — |
| 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.
Quick Links
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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Request Alternatives for LM393NFAQ
What is equivalent to LM393N?
Known equivalents for LM393N include UC3843BN, LM393PE4, LM393N/NOPB. 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.