| PartNumber | LM431BCZX | LM431BCZ/NOPB | LM431BCZXA |
| Description | Voltage References TO-92 Shunt | Voltage References Adjustable Precision Zener Shunt Regulat | Voltage References Adjustable/2.5V 1% Tolerance Shunt |
| Manufacturer | ON Semiconductor | Texas Instruments | ON Semiconductor |
| Product Category | Voltage References | Voltage References | Voltage References |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-92-3 Kinked Lead | TO-92-3 | TO-92R |
| Reference Type | Shunt Adjustable References | Shunt Adjustable References | Shunt Adjustable References |
| Output Voltage | Adjustable | 2.495 V to 37 V | 2.495 V to 36 V |
| Initial Accuracy | 1 % | 1 % | 1 % |
| Temperature Coefficient | 50 PPM / C | 97 PPM / C | 50 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 | - 25 C | - 40 C | - 25 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | LM431B | LM431 | LM431B |
| Packaging | Reel | Bulk | Ammo Pack |
| Description/Function | Program Shunt Reg | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | - |
| Height | 4.58 mm | 5.2 mm | 4.58 mm |
| Length | 4.58 mm | 5.2 mm | 4.58 mm |
| Product | Voltage References | Voltage References | Voltage References |
| Width | 3.86 mm | 4.19 mm | 3.86 mm |
| Brand | ON Semiconductor / Fairchild | Texas Instruments | ON Semiconductor / Fairchild |
| Shunt Current Min | 1 mA | 1 mA | - |
| Topology | Shunt References | Shunt References | Shunt References |
| Maximum Output Voltage | 36 V | 36 V | - |
| Product Type | Voltage References | Voltage References | Voltage References |
| Factory Pack Quantity | 2000 | 1800 | 2000 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.008466 oz | 0.016000 oz | 0.008466 oz |
| Operating Temperature Range | - | - 40 C to + 85 C | - |