| PartNumber | LM431BCZX | LM431BCZ/NOPB | LM431BCZ |
| Description | Voltage References TO-92 Shunt | Voltage References Adjustable Precision Zener Shunt Regulat | Voltage References |
| Manufacturer | ON Semiconductor | Texas Instruments | Fairchild Semiconductor |
| Product Category | Voltage References | Voltage References | PMIC - Voltage Reference |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-92-3 Kinked Lead | TO-92-3 | - |
| Reference Type | Shunt Adjustable References | Shunt Adjustable References | Shunt |
| Output Voltage | Adjustable | 2.495 V to 37 V | - |
| Initial Accuracy | 1 % | 1 % | - |
| Temperature Coefficient | 50 PPM / C | 97 PPM / C | 50ppm/°C Typical |
| Series VREF Input Voltage Max | 37 V | 37 V | - |
| Shunt Current Max | 100 mA | 100 mA | - |
| Minimum Operating Temperature | - 25 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | LM431B | LM431 | - |
| Packaging | Reel | Bulk | Tube Alternate Packaging |
| Description/Function | Program Shunt Reg | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | - |
| Height | 4.58 mm | 5.2 mm | - |
| Length | 4.58 mm | 5.2 mm | - |
| Product | Voltage References | Voltage References | - |
| Width | 3.86 mm | 4.19 mm | - |
| Brand | ON Semiconductor / Fairchild | Texas Instruments | - |
| Shunt Current Min | 1 mA | 1 mA | - |
| Topology | Shunt References | Shunt References | - |
| Maximum Output Voltage | 36 V | 36 V | - |
| Product Type | Voltage References | Voltage References | - |
| Factory Pack Quantity | 2000 | 1800 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.008466 oz | 0.016000 oz | - |
| Operating Temperature Range | - | - 40 C to + 85 C | - |
| Package Case | - | - | TO-226-3, TO-92-3 (TO-226AA) |
| Operating Temperature | - | - | -25°C ~ 85°C (TA) |
| Mounting Type | - | - | Through Hole |
| Output Type | - | - | Adjustable |
| Supplier Device Package | - | - | TO-92-3 |
| Tolerance | - | - | ±1% |
| Voltage Input | - | - | - |
| Current Supply | - | - | - |
| Current Output | - | - | 100mA |
| Voltage Output Min Fixed | - | - | 2.495V |
| Voltage Output Max | - | - | 36V |
| Noise 0#1Hz to 10Hz | - | - | - |
| Noise 10Hz to 10kHz | - | - | - |
| Current Cathode | - | - | 1mA |