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| Part Number | LM4121IM5X-1.2 | 
| Description | IC VREF SERIES 1.25V SOT23-5 | 
| Manufacturer | Texas Instruments | 
| Series | - | 
| Part Status | Obsolete | 
| Reference Type | Series | 
| Output Type | Fixed | 
| Voltage - Output (Min/Fixed) | 1.25V | 
| Voltage - Output (Max) | - | 
| Current - Output | 5mA | 
| Tolerance | ±0.5% | 
| Temperature Coefficient | 50ppm/°C | 
| Noise - 0.1Hz to 10Hz | 20µVp-p | 
| Noise - 10Hz to 10kHz | 30µVrms | 
| Voltage - Input | 1.5V ~ 12V | 
| Current - Supply | 275µA | 
| Current - Cathode | - | 
| Operating Temperature | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | 
| Package / Case | SC-74A, SOT-753 | 
| Supplier Device Package | SOT-23-5 |