LM2903BQDDFRQ1Alternatives & Equivalent Parts
About LM2903BQDDFRQ1
LM2903BQDDFRQ1 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT23 (8-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM2903BQDDFRQ1Source | LM2903BIDDFR | LM2903BHQDGKRQ1 | LM2903BIDGKR |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (8-Pin) | SOT23 (8-Pin) | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 8 | 8 |
| 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 | $0.2390 | $0.0621 | — | — |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | Yes |
| Date Of Intro | 2020-11-05 | 2020-08-08 | — | 2020-08-15 |
| YTEOL | 15 | 15 | 15 | 15 |
| Amplifier Type | COMPARATOR | COMPARATOR | COMPARATOR | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.05 µA | 0.05 µA | 0.05 µA | 0.05 µA |
| Bias Current-Max (IIB) @25C | 0.025 µA | 0.025 µA | 0.025 µA | 0.025 µA |
| Input Offset Voltage-Max | 2500 µV | 2500 µV | 2500 µV | 2500 µV |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | S-PDSO-G8 | S-PDSO-G8 |
| JESD-609 Code | e4 | e4 | e4 | e4 |
| Number of Functions | 2 | 2 | 2 | 2 |
| Output Type | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN | OPEN-COLLECTOR; OPEN-DRAIN |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP8,.11,25 | TSSOP8,.12 | TSSOP8,.19 | TSSOP8,.19 |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR | TR, 7 INCH | TR | TR, 13 INCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Response Time-Nom | 1000 ns | 1000 ns | 1000 ns | 1000 ns |
| Screening Level | AEC-Q100 | — | AEC-Q100 | — |
| Supply Current-Max | 0.8 mA | 0.8 mA | 0.8 mA | 0.8 mA |
| Supply Voltage Limit-Max | 38 V | 38 V | 36 V | 38 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | 0.65 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 |
| Temperature Grade | — | AUTOMOTIVE | — | AUTOMOTIVE |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Comparator, 2 Func, 2500uV Offset-Max, 1000ns Response Time, PDSO8
Why Look for Alternatives?
Finding alternatives for LM2903BQDDFRQ1 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 LM2903BQDDFRQ1 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 LM2903BQDDFRQ1?
Known equivalents for LM2903BQDDFRQ1 include LM2903BIDDFR, LM2903BHQDGKRQ1, LM2903BIDGKR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM2903BQDDFRQ1?
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 LM2903BQDDFRQ1 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.