LM239DTAlternatives & Equivalent Parts
About LM239DT
LM239DT is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM239DTSource | LM339D | LM239D | LM239DR | LM239PT | LM239J | LM239N | LM239DG4 | LM239DE4 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Texas Instruments | Texas Instruments | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | — | Small Outline Packages | Ceramic Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 14 | 14 | 14 | — | 14 | 14 | 14 | 14 | 14 |
| Temperature Range | -40.0°C ~ 105.0°C | ~ 70.0°C | -40.0°C ~ 105.0°C | — | -40.0°C ~ 105.0°C | -25.0°C ~ 85.0°C | -25.0°C ~ 85.0°C | -25.0°C ~ 85.0°C | -25.0°C ~ 85.0°C |
| Price | $0.0679 | $0.1609 | $0.0952 | $0.0612 | $0.1436 | $8.9910 | $0.1426 | $0.3450 | $0.4727 |
| Electrical Parameters | |||||||||
| Factory Lead Time | 8 Weeks | 8 Weeks | 8 Weeks | — | 9 Weeks | — | — | — | — |
| YTEOL | 5.57 | 5.57 | 5.57 | — | 5.57 | 15 | 0 | 0 | 0 |
| Amplifier Type | COMPARATOR | COMPARATOR | COMPARATOR | — | COMPARATOR | COMPARATOR | COMPARATOR | COMPARATOR | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.4 µA | 0.4 µA | 0.4 µA | — | 0.4 µA | 0.4 µA | 0.4 µA | 0.4 µA | 0.4 µA |
| Bias Current-Max (IIB) @25C | 0.25 µA | 0.25 µA | 0.25 µA | — | 0.25 µA | 0.25 µA | 0.25 µA | 0.25 µA | 0.25 µA |
| Input Offset Voltage-Max | 9000 µV | 9000 µV | 9000 µV | — | 9000 µV | 5000 µV | 9000 µV | 5000 µV | 5000 µV |
| JESD-30 Code | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G14 | — | R-PDSO-G14 | R-GDIP-T14 | R-PDIP-T14 | R-PDSO-G14 | R-PDSO-G14 |
| JESD-609 Code | e3 | e3 | e3 | — | e4 | e0 | e3 | e4 | e4 |
| Number of Functions | 4 | 4 | 4 | — | 4 | 4 | 4 | 4 | 4 |
| Output Type | OPEN-COLLECTOR | OPEN-COLLECTOR | OPEN-COLLECTOR | — | OPEN-COLLECTOR | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 | SOP14,.25 | SOP14,.25 | — | TSSOP14,.25 | DIP14,.3 | DIP14,.3 | SOP14,.25 | SOP14,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | — | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | IN-LINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | TUBE | TUBE | — | TR | RAIL | RAIL | TUBE | TUBE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — | 260 | — | — | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Response Time-Nom | 1300 ns | 1300 ns | 1300 ns | — | 1300 ns | 1300 ns | 1300 ns | 1300 ns | 1300 ns |
| Supply Current-Max | 2.5 mA | 2 mA | 2 mA | — | 2.5 mA | 2 mA | 2 mA | 2 mA | 2 mA |
| Supply Voltage Limit-Max | 32 V | 32 V | 32 V | — | 32 V | 36 V | 32 V | 36 V | 36 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | — | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | — | YES | NO | NO | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | — | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Temperature Grade | INDUSTRIAL | COMMERCIAL | INDUSTRIAL | — | INDUSTRIAL | OTHER | INDUSTRIAL | OTHER | OTHER |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin/Lead (Sn/Pb) | MATTE TIN | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | GULL WING | THROUGH-HOLE | THROUGH-HOLE | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | — | 0.65 mm | 2.54 mm | 2.54 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | — | 30 | — | — | 30 | 30 |
| ## LM239D Alternates Showing results | — | — | Image | — | — | — | — | — | — |
| Pbfree Code | — | — | — | — | — | Yes | — | Yes | Yes |
| Date Of Intro | — | — | — | — | — | 1986-08-08 | — | — | — |
| Subcategory | — | — | — | — | — | Comparator | — | — | — |
| Total Dose | — | — | — | — | — | — | — | 100k Rad(Si) V | 100k Rad(Si) V |
| ## LM239DE4 Alternates Showing results | — | — | — | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14
Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14
Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14
Comparator, 4 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14
Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14
Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP14
Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO14
Why Look for Alternatives?
Finding alternatives for LM239DT 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 LM239DT 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 LM239DTFAQ
What is equivalent to LM239DT?
Known equivalents for LM239DT include LM339D, LM239D, LM239DR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM239DT?
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 LM239DT 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.