LM139JAlternatives & Equivalent Parts
About LM139J
LM139J 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.
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Specification Comparison
| Parameter | LM139JSource | LM139D | LM339N/NOPB | MIC1557BM5-TR | LQH43MN102K03L | LM139JB | LM193JG | LM193JGB |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Microchip | Murata Electronics | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Ceramic Dual-In-Line Packages | Small Outline Packages | Dual-In-Line Packages | SOT23 (5-Pin) | Other | Ceramic Dual-In-Line Packages | — | Ceramic Dual-In-Line Packages |
| Pin Count | 14 | 14 | 14 | 5 | 4 | 14 | — | 8 |
| Temperature Range | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -25.0°C ~ 85.0°C | — | — | -55.0°C ~ 125.0°C | — | -55.0°C ~ 125.0°C |
| Price | $5.5075 | $1.4592 | $0.0893 | $0.3750 | $0.1332 | $17.4333 | $8.5374 | $31.6875 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | — | ACTIVE | ACTIVE | — | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | — | Yes | — | Yes | Yes | — | Yes |
| YTEOL | 15 | 0 | 15 | — | 7 | 15 | — | 15 |
| Amplifier Type | COMPARATOR | COMPARATOR | COMPARATOR | — | — | COMPARATOR | — | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.3 µA | 0.3 µA | 0.4 µA | — | — | 0.3 µA | — | 0.3 µA |
| Bias Current-Max (IIB) @25C | 0.025 µA | 0.025 µA | 0.25 µA | — | — | 0.025 µA | — | 0.025 µA |
| Input Offset Voltage-Max | 5000 µV | 5000 µV | 5000 µV | — | — | 5000 µV | — | 5000 µV |
| JESD-30 Code | R-GDIP-T14 | R-PDSO-G14 | R-PDIP-T14 | — | — | R-GDIP-T14 | — | R-GDIP-T8 |
| JESD-609 Code | e0 | e4 | e4 | — | e2 | e0 | — | e0 |
| Number of Functions | 4 | 4 | 4 | — | 1 | 4 | — | 2 |
| Output Type | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN | — | — | OPEN-COLLECTOR; OPEN-DRAIN | — | OPEN-COLLECTOR; OPEN-DRAIN |
| Package Body Material | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | CERAMIC, GLASS-SEALED | — | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP14,.3 | SOP14,.25 | DIP14,.3 | — | — | DIP14,.3 | — | DIP8,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | — | RECTANGULAR | — | RECTANGULAR |
| Package Style | IN-LINE | SMALL OUTLINE | IN-LINE | — | SMT | IN-LINE | — | IN-LINE |
| Packing Method | TUBE | TUBE | TUBE | — | TR, EMBOSSED, 7 INCH | TUBE | — | TUBE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — | — | Not Qualified | — | Not Qualified |
| Response Time-Nom | 1300 ns | 1300 ns | 1300 ns | — | — | 1300 ns | — | 1300 ns |
| Screening Level | MIL-STD-883 | — | — | — | — | MIL-STD-883 | — | MIL-STD-883 |
| Supply Current-Max | 2 mA | 2 mA | 2 mA | — | — | 2 mA | — | 2.5 mA |
| Supply Voltage Limit-Max | 36 V | 36 V | 36 V | — | — | 36 V | — | 36 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | — | — | 5 V | — | 5 V |
| Surface Mount | NO | YES | NO | — | Reflow soldering | NO | — | NO |
| Technology | BIPOLAR | BIPOLAR | BIPOLAR | — | — | BIPOLAR | — | BIPOLAR |
| Temperature Grade | MILITARY | MILITARY | OTHER | — | — | MILITARY | — | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Tin/Copper (Sn/Cu) | Tin/Lead (Sn/Pb) | — | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE | GULL WING | THROUGH-HOLE | — | — | THROUGH-HOLE | — | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 1.27 mm | 2.54 mm | — | — | 2.54 mm | — | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | — | DUAL | — | DUAL |
| ## LM139J Alternates Showing results | Image | — | — | — | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | — | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | — | — | — | — | — | — |
| ## LM139D Alternates Showing results | — | Image | — | — | — | — | — | — |
| Date Of Intro | — | — | 1988-04-01 | — | — | — | — | — |
| Subcategory | — | — | Comparator | — | — | — | — | Comparator |
| ## LM339N/NOPB Alternates Showing results | — | — | Image | — | — | — | — | — |
| Case/Size Code | — | — | — | — | 4532/1812 | — | — | — |
| Construction | — | — | — | — | Unshielded | — | — | — |
| Core Material | — | — | — | — | FERRITE | — | — | — |
| DC Resistance | — | — | — | — | 25 Ω | — | — | — |
| Inductance-Nom (L) | — | — | — | — | 1000 µH | — | — | — |
| Inductor Application | — | — | — | — | RF INDUCTOR | — | — | — |
| Inductor Type | — | — | — | — | GENERAL PURPOSE INDUCTOR | — | — | — |
| Package Height | — | — | — | — | 2.6 mm | — | — | — |
| Package Length | — | — | — | — | 4.5 mm | — | — | — |
| Package Width | — | — | — | — | 3.2 mm | — | — | — |
| Quality Factor-Min (at L-nom) | — | — | — | — | 40 | — | — | — |
| Rated Current-Max | — | — | — | — | 0.05 A | — | — | — |
| Self Resonance Frequency | — | — | — | — | 2 MHz | — | — | — |
| Shape/Size Description | — | — | — | — | RECTANGULAR PACKAGE | — | — | — |
| Shielded | — | — | — | — | NO | — | — | — |
| Special Feature | — | — | — | — | Q MEASURED AT 252 KHZ | — | — | — |
| Terminal Placement | — | — | — | — | DUAL ENDED | — | — | — |
| Terminal Shape | — | — | — | — | WRAPAROUND | — | — | — |
| Test Frequency | — | — | — | — | 0.252 MHz | — | — | — |
| Tolerance | — | — | — | — | 10% | — | — | — |
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 7 alternatives for LM139J — response within 24 hours.
Quick Links
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Comparator, 4 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP14
Comparator, 2 Func, 5000uV Offset-Max, 1300ns Response Time, BIPolar, CDIP8
Why Look for Alternatives?
Finding alternatives for LM139J 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 LM139J 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 LM139J?
Known equivalents for LM139J include LM139D, LM339N/NOPB, MIC1557BM5-TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM139J?
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 LM139J 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.