| PartNumber | LM431AIM/NOPB | LM431AIM | LM431AIM3 |
| Description | Voltage References Adjustable Precision Zener Shunt Regulat | Voltage References NRND, alternate is LM431AIM/NOPB | Voltage References NRND, alternate is LM431AIM3/NOPB |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Voltage References | Voltage References | Voltage References |
| RoHS | Y | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-8 | SOIC-8 | SOT-23-3 |
| Reference Type | Shunt Adjustable References | Shunt Adjustable References | Shunt Adjustable References |
| Output Voltage | 2.495 V to 37 V | 2.495 V to 37 V | 2.495 V to 37 V |
| Initial Accuracy | 2 % | 2 % | 2 % |
| Temperature Coefficient | 97 PPM / C | 97 PPM / C | 97 PPM / C |
| Series VREF Input Voltage Max | 37 V | 37 V | 37 V |
| Shunt Current Max | 100 mA | 100 mA | 100 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | LM431 | LM431 | LM431 |
| Packaging | Tube | Tube | Reel |
| Description/Function | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR |
| Height | 1.45 mm | 1.45 mm | 0.93 mm |
| Length | 4.9 mm | 4.9 mm | 2.92 mm |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Product | Voltage References | Voltage References | Voltage References |
| Width | 3.9 mm | 3.9 mm | 1.3 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Shunt Current Min | 1 mA | - | - |
| Topology | Shunt References | Shunt References | Shunt References |
| Maximum Output Voltage | 36 V | 36 V | 36 V |
| Product Type | Voltage References | Voltage References | Voltage References |
| Factory Pack Quantity | 95 | 95 | 1000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.005044 oz | 0.005044 oz | 0.000282 oz |