LM339PTAlternatives & Equivalent Parts
About LM339PT
LM339PT 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 | LM339PTSource | LM239PT | LM393ST |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 14 | 14 | 8 |
| Temperature Range | ~ 70.0°C | -40.0°C ~ 105.0°C | ~ 70.0°C |
| Price | $0.1590 | $0.1436 | — |
| Electrical Parameters | |||
| Factory Lead Time | 9 Weeks | 9 Weeks | 10 Weeks |
| YTEOL | 5.57 | 5.57 | 5.57 |
| 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 | 0.25 µA | 0.25 µA |
| Input Offset Voltage-Max | 9000 µV | 9000 µV | 9000 µV |
| JESD-30 Code | R-PDSO-G14 | R-PDSO-G14 | S-PDSO-G8 |
| JESD-609 Code | e3 | e4 | e3 |
| Number of Functions | 4 | 4 | 2 |
| Output Type | OPEN-COLLECTOR | OPEN-COLLECTOR | OPEN-COLLECTOR |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 | TSSOP14,.25 | TSSOP8,.19 |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Response Time-Nom | 1300 ns | 1300 ns | 1300 ns |
| Supply Current-Max | 2.5 mA | 2.5 mA | 2.5 mA |
| Supply Voltage Limit-Max | 32 V | 32 V | 36 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR |
| Temperature Grade | COMMERCIAL | INDUSTRIAL | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) - annealed | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 |
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 LM339PT 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 LM339PT 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 LM339PTFAQ
What is equivalent to LM339PT?
Known equivalents for LM339PT include LM239PT, LM393ST. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM339PT?
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 LM339PT 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.