LM431AIM3/NOPBAlternatives & Equivalent Parts
About LM431AIM3/NOPB
LM431AIM3/NOPB is a Diode component manufactured by Texas Instruments. It comes in a SOT23 (3-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM431AIM3/NOPBSource | LM431ACM3/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (3-Pin) | SOT-23-3 |
| Pin Count | 3 | 3 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $0.1463 | $0.1200 |
| Electrical Parameters | ||
| Pbfree Code | Yes | Yes |
| YTEOL | 15 | 15 |
| Additional Feature | OUTPUT VOLTAGE ADJUSTABLE FROM 2.495 TO 36V WITH TWO EXTERNAL RESISTORS | OUTPUT VOLTAGE ADJUSTABLE FROM 2.495 TO 36V WITH TWO EXTERNAL RESISTORS |
| Analog IC - Other Type | TWO TERMINAL VOLTAGE REFERENCE | TWO TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | R-PDSO-G3 | R-PDSO-G3 |
| JESD-609 Code | e3 | e3 |
| Number of Functions | 1 | 1 |
| Number of Outputs | 1 | 1 |
| Output Current-Max | 0.1 A | 0.1 A |
| Output Voltage-Max | 2.55 V | 2.55 V |
| Output Voltage-Min | 2.44 V | 2.44 V |
| Output Voltage-Nom | 2.5 V | 2.5 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TO-236 | TO-236 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 37 V | — |
| Supply Voltage-Min (Vsup) | 2.44 V | — |
| Surface Mount | YES | YES |
| Technology | BIPOLAR | BIPOLAR |
| Temp Coef of Voltage-Max | 97 ppm/°C | 97 ppm/°C |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | 0.95 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 |
| Trim/Adjustable Output | YES | YES |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, BIPolar, PDSO3
Why Look for Alternatives?
Finding alternatives for LM431AIM3/NOPB 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 LM431AIM3/NOPB 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 LM431AIM3/NOPBFAQ
What is equivalent to LM431AIM3/NOPB?
Known equivalents for LM431AIM3/NOPB include LM431ACM3/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM431AIM3/NOPB?
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 LM431AIM3/NOPB 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.