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| Part Number | LM431BIZ | LM431BIZX | LM431CIZ | LM431AIZ | LM431BCZ | LM431BIM |
|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | onsemi | Fairchild Semiconductor | National Semiconductor | National Semiconductor |
| Product Status | Active | Active | Obsolete | Active | Active | Active |
| Reference Type | Shunt | Shunt | Shunt | - | Shunt | Shunt |
| Output Type | Adjustable | Adjustable | Adjustable | - | Adjustable | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495V | 2.495V | 2.495V | - | 2.495V | 2.495V |
| Voltage - Output (Max) | 36 V | 36 V | 36 V | - | 36 V | 37 V |
| Current - Output | 100 mA | 100 mA | 100 mA | - | 100 mA | 100 mA |
| Tolerance | ±1% | ±1% | ±0.5% | - | ±1% | ±1% |
| Temperature Coefficient | 50ppm/°C Typical | 50ppm/°C Typical | 50ppm/°C Typical | - | 50ppm/°C Typical | 50ppm/°C Typical |
| Noise - 0.1Hz to 10Hz | - | - | - | - | - | - |
| Noise - 10Hz to 10kHz | - | - | - | - | - | - |
| Voltage - Input | - | - | - | - | - | - |
| Current - Supply | - | - | - | - | - | - |
| Current - Cathode | 1 mA | 1 mA | 1 mA | - | 1 mA | 1 mA |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | - | -25°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole | Through Hole | Through Hole | - | Through Hole | Surface Mount |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) | - | TO-226-3, TO-92-3 (TO-226AA) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | TO-226-3 | TO-92-3 | TO-92-3 | - | TO-92-3 | 8-SOIC |
