LM239JAlternatives & Equivalent Parts
About LM239J
LM239J is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Ceramic 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 | LM239JSource | LP339N | LM239N | LM293N |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics |
| Package Type | Ceramic Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 14 | 14 | 14 | 8 |
| Temperature Range | -25.0°C ~ 85.0°C | ~ 70.0°C | -25.0°C ~ 85.0°C | -40.0°C ~ 105.0°C |
| Price | $8.9910 | $0.2380 | $0.1426 | $0.0670 |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | — | — |
| Date Of Intro | 1986-08-08 | — | — | — |
| YTEOL | 15 | 15 | 0 | 0 |
| Amplifier Type | COMPARATOR | COMPARATOR | COMPARATOR | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.4 µA | 0.04 µA | 0.4 µA | 0.4 µA |
| Bias Current-Max (IIB) @25C | 0.25 µA | 0.025 µA | 0.25 µA | 0.25 µA |
| Input Offset Voltage-Max | 5000 µV | 5000 µV | 9000 µV | 9000 µV |
| JESD-30 Code | R-GDIP-T14 | R-PDIP-T14 | R-PDIP-T14 | R-PDIP-T8 |
| JESD-609 Code | e0 | e4 | e3 | e3 |
| Number of Functions | 4 | 4 | 4 | 2 |
| Output Type | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR | OPEN-COLLECTOR |
| Package Body Material | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 | DIP14,.3 | DIP14,.3 | DIP8,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | IN-LINE | IN-LINE |
| Packing Method | RAIL | RAIL | RAIL | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Response Time-Nom | 1300 ns | 1300 ns | 1300 ns | 1300 ns |
| Subcategory | Comparator | Comparator | — | — |
| Supply Current-Max | 2 mA | 0.1 mA | 2 mA | 2.5 mA |
| Supply Voltage Limit-Max | 36 V | 36 V | 32 V | 36 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | NO | NO | NO | NO |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Temperature Grade | OTHER | COMMERCIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Tin/Lead (Sn/Pb) | Nickel/Palladium/Gold (Ni/Pd/Au) | MATTE TIN | MATTE TIN |
| 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 |
| ## LP339N Alternates Showing results | — | Image | — | — |
| Peak Reflow Temperature (Cel) | — | — | — | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 30 |
| ## LM293N 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 LM239J 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 LM239J 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 LM239JFAQ
What is equivalent to LM239J?
Known equivalents for LM239J include LP339N, LM239N, LM293N. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM239J?
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 LM239J 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.