LM2903QDRQ1Alternatives & Equivalent Parts
About LM2903QDRQ1
LM2903QDRQ1 is a Integrated Circuit component manufactured by Texas Instruments. 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 | LM2903QDRQ1Source | LM2903D | LM2903QPWRQ1 | LM2903QDG4 | LM2903Q2T |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics |
| Package Type | Small Outline Packages | SOIC-8 | — | Small Outline Packages | Small Outline No-lead |
| Pin Count | 8 | 8 | — | 8 | 9 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.1755 | $0.0855 | $0.2140 | $0.5050 | $0.0931 |
| Electrical Parameters | |||||
| Pbfree Code | Yes | — | — | Yes | — |
| YTEOL | 15 | 8 | — | 0 | 8 |
| Amplifier Type | COMPARATOR | COMPARATOR | — | COMPARATOR | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.5 µA | 0.4 µA | — | 0.5 µA | 0.4 µA |
| Bias Current-Max (IIB) @25C | 0.05 µA | 0.25 µA | — | 0.05 µA | 0.25 µA |
| Input Offset Voltage-Max | 7000 µV | 15000 µV | — | 7000 µV | 15000 µV |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | — | R-PDSO-G8 | S-XDSO-N8 |
| JESD-609 Code | e4 | e3 | — | e4 | e4 |
| Number of Functions | 2 | 2 | — | 2 | 2 |
| Output Type | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR | — | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | UNSPECIFIED |
| Package Equivalence Code | SOP8,.25 | SOP8,.3 | — | SOP8,.25 | SOLCC8,.08,20 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | — | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR | TUBE | — | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified |
| Response Time-Nom | 1300 ns | 1300 ns | — | 1300 ns | 1300 ns |
| Screening Level | AEC-Q100 | — | — | — | — |
| Subcategory | Comparator | — | — | Comparator | — |
| Supply Current-Max | 1 mA | 2.5 mA | — | 1 mA | 2.5 mA |
| Supply Voltage Limit-Max | 36 V | 36 V | — | 36 V | 36 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | — | 5 V | 5 V |
| Surface Mount | YES | YES | — | YES | YES |
| Technology | BIPOLAR | BIPOLAR | — | BIPOLAR | BIPOLAR |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | — | AUTOMOTIVE | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | — | GULL WING | NO LEAD |
| Terminal Pitch | 1.27 mm | 1.27 mm | — | 1.27 mm | 0.5 mm |
| Terminal Position | DUAL | DUAL | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | NOT SPECIFIED | 30 |
| Factory Lead Time | — | 8 Weeks | — | — | 8 Weeks |
| ## LM2903D Alternates Showing results | — | Image | — | — | — |
| Date Of Intro | — | — | — | 1988-04-01 | — |
| ## LM2903QDG4 Alternates Showing results | — | — | — | Image | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Comparator, 2 Func, 15000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8
Comparator, 2 Func, 7000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8
Comparator, 2 Func, 7000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8
Why Look for Alternatives?
Finding alternatives for LM2903QDRQ1 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 LM2903QDRQ1 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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What is equivalent to LM2903QDRQ1?
Known equivalents for LM2903QDRQ1 include LM2903D, LM2903QPWRQ1, LM2903QDG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2903QDRQ1?
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 LM2903QDRQ1 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.